Publications published since 2005 from OUS - Section of Child and Adolescent Mental Health Research

233 publications found

Publications 2024

1. Andreou D, Jørgensen KN, Nerland S, Calkova T, Mørch-Johnsen L, Smelror RE, Wortinger LA, Lundberg M, Bohman H, Myhre AM, Jönsson EG, Andreassen OA, Agartz I (2024)
   Caudate nucleus volume in medicated and unmedicated patients with early- and adult-onset schizophrenia
   Sci Rep, 14 (1), 22755
   DOI 10.1038/s41598-024-73322-x, PubMed 39353988
2. Ingeborgrud CB, Oerbeck B, Friis S, Pripp AH, Zeiner P, Aase H, Biele G, Dalsgaard S, Overgaard KR (2024)
   Do maternal anxiety and depressive symptoms predict anxiety in children with and without ADHD at 8 years?
   Eur Child Adolesc Psychiatry, 33 (9), 3169-3178
   DOI 10.1007/s00787-024-02374-1, PubMed 38376613
3. Ingeborgrud CB, Oerbeck B, Friis S, Pripp AH, Aase H, Biele G, Dalsgaard S, Overgaard KR (2024)
   Low perceived social support in mothers during pregnancy and early childhood; associations with anxiety and ADHD symptoms in children at 3 and 8 years
   Soc Psychiatry Psychiatr Epidemiol (in press)
   DOI 10.1007/s00127-024-02792-1, PubMed 39503851
4. Mørdre M, Ørbeck B, Hoel RE, Øvergaard KR (2024)
   Food selectivity in children and adolescents with autism spectrum disorders - a systematic literature review
   Tidsskr Nor Laegeforen, 144 (14)
   DOI 10.4045/tidsskr.24.0193, PubMed 39605156
5. Overgaard KR, Oerbeck B, Friis S, Pripp AH, Aase H, Ingeborgrud CB, Biele G (2024)
   Functional Impairment Related to ADHD From Preschool to School Age
   J Atten Disord, 10870547241301179 (in press)
   DOI 10.1177/10870547241301179, PubMed 39625105

Publications 2023

1. Brager-Larsen A, Zeiner P, Mehlum L (2023)
   DSM-5 Non-Suicidal Self-Injury Disorder in a Clinical Sample of Adolescents with Recurrent Self-Harm Behavior
   Arch Suicide Res, 28 (2), 523-536
   DOI 10.1080/13811118.2023.2192767, PubMed 37506259
2. Brager-Larsen A, Zeiner P, Mehlum L (2023)
   Sub-threshold or full-syndrome borderline personality disorder in adolescents with recurrent self-harm - distinctly or dimensionally different?
   Borderline Personal Disord Emot Dysregul, 10 (1), 26
   DOI 10.1186/s40479-023-00234-z, PubMed 37705040
3. Brænden A, Coldevin M, Zeiner P, Stubberud J, Melinder A (2023)
   Executive function in children with disruptive mood dysregulation disorder compared to attention-deficit/hyperactivity disorder and oppositional defiant disorder, and in children with different irritability levels
   Eur Child Adolesc Psychiatry, 33 (1), 115-125
   DOI 10.1007/s00787-023-02143-6, PubMed 36680626
4. Brænden A, Coldevin M, Zeiner P, Stubberud J, Melinder A (2023)
   Neuropsychological mechanisms of social difficulties in disruptive mood dysregulation disorder versus oppositional defiant disorder
   Child Neuropsychol, 30 (3), 402-424
   DOI 10.1080/09297049.2023.2205632, PubMed 37106502
5. Brænden A, Lebena A, Faresjö Å, Theodorsson E, Coldevin M, Stubberud J, Zeiner P, Melinder A (2023)
   Excessive hair cortisol concentration as an indicator of psychological disorders in children
   Psychoneuroendocrinology, 157, 106363
   DOI 10.1016/j.psyneuen.2023.106363, PubMed 37573627
6. Coldevin M, Brænden A, Zeiner P, Øyen AS, Melinder A, Stubberud J (2023)
   Disruptive Mood Dysregulation Disorder in a Norwegian Clinical Child Population
   Clin Child Psychol Psychiatry, 29 (2), 393-406
   DOI 10.1177/13591045231176928, PubMed 37208899
7. Gohar SM, Hegelstad WTV, Auestad B, Haahr UH, Joa I, Johannessen JO, Larsen TK, Opjordsmoen S, Rund BR, Røssberg JI, Simonsen E, Friis S, Melle I (2023)
   Association between early suicidal trajectories in first-episode psychosis and 10-year follow-up: TIPS registry-linked study
   Lancet Psychiatry, 10 (7), 528-536
   DOI 10.1016/S2215-0366(23)00156-6, PubMed 37353264
8. Hall AM, Keil AP, Choi G, Ramos AM, Richardson DB, Olshan AF, Martin CL, Villanger GD, Reichborn-Kjennerud T, Zeiner P, Øvergaard KR, Sakhi AK, Thomsen C, Aase H, Engel SM (2023)
   Prenatal organophosphate ester exposure and executive function in Norwegian preschoolers
   Environ Epidemiol, 7 (3), e251
   DOI 10.1097/EE9.0000000000000251, PubMed 37304339
9. Ingeborgrud CB, Oerbeck B, Friis S, Zeiner P, Pripp AH, Aase H, Biele G, Dalsgaard S, Overgaard KR (2023)
   Anxiety and depression from age 3 to 8 years in children with and without ADHD symptoms
   Sci Rep, 13 (1), 15376
   DOI 10.1038/s41598-023-42412-7, PubMed 37717097
10. Overgaard KR, Oerbeck B, Friis S, Pripp AH, Aase H, Biele G, Ingeborgrud CB, Polanczyk GV, Zeiner P (2023)
    Early and repeated screening detects children with persistent attention-deficit/hyperactivity disorder
    Eur Child Adolesc Psychiatry, 33 (6), 1807-1815
    DOI 10.1007/s00787-023-02284-8, PubMed 37624573

Publications 2022

1. Biele G, Lekhal R, Overgaard KR, Vaage Wang M, Eek Brandlistuen R, Friis S, Zeiner P (2022)
   The effect of special educational assistance in early childhood education and care on psycho-social difficulties in elementary school children
   Child Adolesc Psychiatry Ment Health, 16 (1), 14
   DOI 10.1186/s13034-022-00442-5, PubMed 35209931
2. Biele G, Overgaard KR, Friis S, Zeiner P, Aase H (2022)
   Cognitive, emotional, and social functioning of preschoolers with attention deficit hyperactivity problems
   BMC Psychiatry, 22 (1), 78
   DOI 10.1186/s12888-021-03638-9, PubMed 35105343
3. Brager-Larsen A, Zeiner P, Klungsøyr O, Mehlum L (2022)
   Is age of self-harm onset associated with increased frequency of non-suicidal self-injury and suicide attempts in adolescent outpatients?
   BMC Psychiatry, 22 (1), 58
   DOI 10.1186/s12888-022-03712-w, PubMed 35081930
4. Brænden A, Zeiner P, Coldevin M, Stubberud J, Melinder A (2022)
   Underlying mechanisms of disruptive mood dysregulation disorder in children: A systematic review by means of research domain criteria
   JCPP Adv, 2 (1), e12060
   DOI 10.1002/jcv2.12060, PubMed 37431494
5. Engel SM, Villanger GD, Herring A, Nethery RC, Drover SSM, Zoeller RT, Meltzer HM, Zeiner P, Knudsen GP, Reichborn-Kjennerud T, Longnecker MP, Aase H (2022)
   Gestational thyroid hormone concentrations and risk of attention-deficit hyperactivity disorder in the Norwegian Mother, Father and Child Cohort Study
   Paediatr Perinat Epidemiol, 37 (3), 218-228
   DOI 10.1111/ppe.12941, PubMed 36482860
6. Hall AM, Ramos AM, Drover SS, Choi G, Keil AP, Richardson DB, Martin CL, Olshan AF, Villanger GD, Reichborn-Kjennerud T, Zeiner P, Øvergaard KR, Sakhi AK, Thomsen C, Aase H, Engel SM (2022)
   Gestational organophosphate ester exposure and preschool attention-deficit/hyperactivity disorder in the Norwegian Mother, Father, and Child cohort study
   Int J Hyg Environ Health, 248, 114078
   DOI 10.1016/j.ijheh.2022.114078, PubMed 36455478
7. Hall AM, Thistle JE, Manley CK, Roell KR, Ramos AM, Villanger GD, Reichborn-Kjennerud T, Zeiner P, Cequier E, Sakhi AK, Thomsen C, Aase H, Engel SM (2022)
   Organophosphorus Pesticide Exposure at 17 Weeks' Gestation and Odds of Offspring Attention-Deficit/Hyperactivity Disorder Diagnosis in the Norwegian Mother, Father, and Child Cohort Study
   Int J Environ Res Public Health, 19 (24)
   DOI 10.3390/ijerph192416851, PubMed 36554732
8. Manley CK, Villanger GD, Thomsen C, Cequier E, Sakhi AK, Reichborn-Kjennerud T, Herring AH, Øvergaard KR, Zeiner P, Roell KR, Engel LS, Kamai EM, Thistle J, Hall A, Aase H, Engel SM (2022)
   Prenatal Exposure to Organophosphorus Pesticides and Preschool ADHD in the Norwegian Mother, Father and Child Cohort Study
   Int J Environ Res Public Health, 19 (13)
   DOI 10.3390/ijerph19138148, PubMed 35805806
9. Overgaard KR, Oerbeck B, Friis S, Pripp AH, Aase H, Biele G, Ingeborgrud CB, Polanczyk GV, Zeiner P (2022)
   Attention-deficit/hyperactivity disorder from preschool to school age: change and stability of parent and teacher reports
   Eur Child Adolesc Psychiatry, 32 (10), 1947-1955
   DOI 10.1007/s00787-022-02019-1, PubMed 35737107
10. Ruud T, Friis S (2022)
    Continuity of care and therapeutic relationships as critical elements in acute psychiatric care
    World Psychiatry, 21 (2), 241-242
    DOI 10.1002/wps.20966, PubMed 35524593
11. Thistle JE, Ramos A, Roell KR, Choi G, Manley CK, Hall AM, Villanger GD, Cequier E, Sakhi AK, Thomsen C, Zeiner P, Reichborn-Kjennerud T, Øvergaard KR, Herring A, Aase H, Engel SM (2022)
    Prenatal organophosphorus pesticide exposure and executive function in preschool-aged children in the Norwegian Mother, Father and Child Cohort Study (MoBa)
    Environ Res, 212 (Pt D), 113555
    DOI 10.1016/j.envres.2022.113555, PubMed 35613628

Publications 2021

1. Andreou D, Jørgensen KN, Nerland S, Smelror RE, Wedervang-Resell K, Johannessen CH, Myhre AM, Andreassen OA, Blennow K, Zetterberg H, Agartz I (2021)
   Lower plasma total tau in adolescent psychosis: Involvement of the orbitofrontal cortex
   J Psychiatr Res, 144, 255-261
   DOI 10.1016/j.jpsychires.2021.10.031, PubMed 34700214
2. Andreou D, Steen NE, Jørgensen KN, Smelror RE, Wedervang-Resell K, Nerland S, Westlye LT, Nærland T, Myhre AM, Joa I, Reitan SMK, Vaaler A, Morken G, Bøen E, Elvsåshagen T, Boye B, Malt UF, Aukrust P, Skrede S, Kroken RA, Johnsen E, Djurovic S, Andreassen OA, Ueland T, Agartz I (2021)
   Lower circulating neuron-specific enolase concentrations in adults and adolescents with severe mental illness
   Psychol Med, 53 (4), 1479-1488
   DOI 10.1017/S0033291721003056, PubMed 35387700
3. Choi G, Villanger GD, Drover SSM, Sakhi AK, Thomsen C, Nethery RC, Zeiner P, Knudsen GP, Reichborn-Kjennerud T, Øvergaard KR, Herring AH, Skogan AH, Biele G, Aase H, Engel SM (2021)
   Prenatal phthalate exposures and executive function in preschool children
   Environ Int, 149, 106403
   DOI 10.1016/j.envint.2021.106403, PubMed 33524667
4. Fadum EA, Carlsen EØ, Ramberg M, Strand LA, Håberg SE, Borud E, Martinussen M (2021)
   Social and life skills in adolescents who have self-harmed: analysis of survey responses from a national sample of adolescents in Norway
   BMJ Open, 11 (11), e054707
   DOI 10.1136/bmjopen-2021-054707, PubMed 34772755
5. Kamai EM, Villanger GD, Nethery RC, Thomsen C, Sakhi AK, Drover SSM, Hoppin JA, Knudsen GP, Reichborn-Kjennerud T, Zeiner P, Overgaard K, Herring AH, Aase H, Engel SM (2021)
   Gestational Phthalate Exposure and Preschool Attention Deficit Hyperactivity Disorder in Norway
   Environ Epidemiol, 5 (4), e161
   DOI 10.1097/EE9.0000000000000161, PubMed 34414345
6. Kristensen H, Ørbeck B (2021)
   [Selective mutism in children and adolescents]
   Tidsskr Nor Laegeforen, 141 (17)
   DOI 10.4045/tidsskr.21.0354, PubMed 34813222
7. Oerbeck B, Ohre B, Zeiner P, Pripp AH, Wagner K, Overgaard KR (2021)
   What can a national patient registry tell us about psychiatric disorders and reasons for referral to outpatient services in youth with hearing loss?
   Nord J Psychiatry, 76 (5), 365-371
   DOI 10.1080/08039488.2021.1979095, PubMed 34612158
8. Oerbeck B, Overgaard KR, Attwood T, Bjaastad JF (2021)
   "Less stress": a pilot study on a cognitive behavioral treatment program for anxiety in children with autism spectrum disorders
   Scand J Child Adolesc Psychiatr Psychol, 9, 30-40
   DOI 10.21307/sjcapp-2021-005, PubMed 33928052
9. Oerbeck B, Overgaard KR, Hjellvik V, Lien L, Bramness JG (2021)
   The Use of Antidepressants, Antipsychotics, and Stimulants in Youth Residential Care
   J Child Adolesc Psychopharmacol, 31 (5), 350-357
   DOI 10.1089/cap.2020.0123, PubMed 33635152
10. Ottesen A, T V Hegelstad W, Joa I, Opjordsmoen SE, Rund BR, Røssberg JI, Simonsen E, Johannessen JO, Larsen TK, Haahr UH, McGlashan TH, Friis S, Melle I (2021)
    Childhood trauma, antipsychotic medication, and symptom remission in first-episode psychosis
    Psychol Med, 53 (6), 2399-2408
    DOI 10.1017/S003329172100427X, PubMed 37144963
11. Overgaard KR, Oerbeck B, Friis S, Pripp AH, Aase H, Zeiner P (2021)
    Predictive validity of attention-deficit/hyperactivity disorder from ages 3 to 5 Years
    Eur Child Adolesc Psychiatry, 31 (7), 1-10
    DOI 10.1007/s00787-021-01750-5, PubMed 33677627
12. Overgaard KR, Oerbeck B, Wagner K, Friis S, Øhre B, Zeiner P (2021)
    Youth with hearing loss: Emotional and behavioral problems and quality of life
    Int J Pediatr Otorhinolaryngol, 145, 110718
    DOI 10.1016/j.ijporl.2021.110718, PubMed 33887550
13. Ruud T, Friis S (2021)
    Community-based Mental Health Services in Norway
    Consort Psychiatr, 2 (1), 47-54
    DOI 10.17816/CP43, PubMed 38601095
14. Vaskinn A, Sundet K, Melle I, Andreassen OA, Friis S (2021)
    The factor structure of social cognition in schizophrenia: Weak evidence for separable domains
    Schizophr Res Cogn, 26, 100208
    DOI 10.1016/j.scog.2021.100208, PubMed 34430229
15. Øie MG, Sundet K, Haug E, Zeiner P, Klungsøyr O, Rund BR (2021)
    Cognitive Performance in Early-Onset Schizophrenia and Attention-Deficit/Hyperactivity Disorder: A 25-Year Follow-Up Study
    Front Psychol, 11, 606365
    DOI 10.3389/fpsyg.2020.606365, PubMed 33519613

Publications 2020

1. Oerbeck B, Furu K, Zeiner P, Aase H, Reichborn-Kjennerud T, Pripp AH, Overgaard KR (2020)
   Child and Parental Characteristics of Medication Use for Attention-Deficit/Hyperactivity Disorder
   J Child Adolesc Psychopharmacol, 30 (7), 456-464
   DOI 10.1089/cap.2019.0019, PubMed 32672488
2. Oerbeck B, Overgaard KR, Bergman RL, Pripp AH, Kristensen H (2020)
   The Selective Mutism Questionnaire: Data from typically developing children and children with selective mutism
   Clin Child Psychol Psychiatry, 25 (4), 754-765
   DOI 10.1177/1359104520914695, PubMed 32281879
3. Oerbeck B, Overgaard KR, Hjellvik V, Bramness JG, Hansen BH, Lien L (2020)
   The Use of Sleep Medication in Youth Residential Care
   J Child Adolesc Psychopharmacol, 30 (5), 335-341
   DOI 10.1089/cap.2019.0172, PubMed 31976753
4. Srihari VH, Guloksuz S, Friis S (2020)
   Natural History, Not Lead Time
   Am J Psychiatry, 177 (12), 1185
   DOI 10.1176/appi.ajp.2020.20040402, PubMed 33256447
5. Villanger GD, Drover SSM, Nethery RC, Thomsen C, Sakhi AK, Øvergaard KR, Zeiner P, Hoppin JA, Reichborn-Kjennerud T, Aase H, Engel SM (2020)
   Associations between urine phthalate metabolites and thyroid function in pregnant women and the influence of iodine status
   Environ Int, 137, 105509
   DOI 10.1016/j.envint.2020.105509, PubMed 32044443
6. Wedervang-Resell K, Ueland T, Aukrust P, Friis S, Holven KB, H Johannessen C, Lekva T, Lonning V, Smelror RE, Szabo A, Andreassen OA, Myhre AM, Agartz I (2020)
   Reduced levels of circulating adhesion molecules in adolescents with early-onset psychosis
   NPJ Schizophr, 6 (1), 20
   DOI 10.1038/s41537-020-00112-5, PubMed 32811840

Publications 2019

1. Drover SSM, Villanger GD, Aase H, Skogheim TS, Longnecker MP, Zoeller RT, Reichborn-Kjennerud T, Knudsen GP, Zeiner P, Engel SM (2019)
   Maternal Thyroid Function During Pregnancy or Neonatal Thyroid Function and Attention Deficit Hyperactivity Disorder: A Systematic Review
   Epidemiology, 30 (1), 130-144
   DOI 10.1097/EDE.0000000000000937, PubMed 30299402
2. Ferrara M, Guloksuz S, Li F, Burke S, Tek C, Friis S, Ten Velden Hegelstad W, Joa I, Johannessen JO, Melle I, Simonsen E, Srihari VH (2019)
   Parsing the impact of early detection on duration of untreated psychosis (DUP): Applying quantile regression to data from the Scandinavian TIPS study
   Schizophr Res, 210, 128-134
   DOI 10.1016/j.schres.2019.05.035, PubMed 31204063
3. Friis S, Melle I, McGlashan TH (2019)
   Symptom remission at 12-weeks is a strong predictor for long term outcome
   Psychol Med, 50 (14), 2464
   DOI 10.1017/S0033291719003465, PubMed 31814559
4. Skogheim TS, Villanger GD, Weyde KVF, Engel SM, Surén P, Øie MG, Skogan AH, Biele G, Zeiner P, Øvergaard KR, Haug LS, Sabaredzovic A, Aase H (2019)
   Prenatal exposure to perfluoroalkyl substances and associations with symptoms of attention-deficit/hyperactivity disorder and cognitive functions in preschool children
   Int J Hyg Environ Health, 223 (1), 80-92
   DOI 10.1016/j.ijheh.2019.10.003, PubMed 31653559
5. Smelror RE, Jørgensen KN, Lonning V, Kelleher I, Cannon M, DeRosse P, Malhotra AK, Karlsgodt KH, Andreassen OA, Lundberg M, Edbom T, Cleland N, Ueland T, Myhre AM, Rund BR, Agartz I (2019)
   Healthy Adolescent Performance With Standardized Scoring Tables for the MATRICS Consensus Cognitive Battery: A Multisite Study
   Schizophr Bull, 45 (4), 773-783
   DOI 10.1093/schbul/sby131, PubMed 30239900
6. Sorbye O, Dahl HSJ, Eells TD, Amlo S, Hersoug AG, Haukvik UK, Hartberg CB, Hoglend PA, Ulberg R (2019)
   Psychodynamic case formulations without technical language: a reliability study
   BMC Psychol., 7 (1), 67
   DOI 10.1186/s40359-019-0337-5
7. Sørbye Ø, Dahl HJ, Eells TD, Amlo S, Hersoug AG, Haukvik UK, Hartberg CB, Høglend PA, Ulberg R (2019)
   Psychodynamic case formulations without technical language: a reliability study
   BMC Psychol, 7 (1), 67
   DOI 10.1186/s40359-019-0337-5, PubMed 31651367
8. Torgalsbøen BR, Zeiner P, Øie MG (2019)
   Pre-attention and Working Memory in ADHD: A 25-Year Follow-Up Study
   J Atten Disord, 25 (7), 895-905
   DOI 10.1177/1087054719879491, PubMed 31625421
9. Wedervang-Resell K, Friis S, Lonning V, Smelror RE, Johannessen C, Agartz I, Ulven SM, Holven KB, Andreassen OA, Myhre AM (2019)
   Lipid alterations in adolescents with early-onset psychosis may be independent of antipsychotic medication
   Schizophr Res, 216, 295-301
   DOI 10.1016/j.schres.2019.11.039, PubMed 31791814
10. Wedervang-Resell K, Friis S, Lonning V, Smelror RE, Johannessen C, Reponen EJ, Lyngstad SH, Lekva T, Aukrust P, Ueland T, Andreassen OA, Agartz I, Myhre AM (2019)
    Increased interleukin 18 activity in adolescents with early-onset psychosis is associated with cortisol and depressive symptoms
    Psychoneuroendocrinology, 112, 104513
    DOI 10.1016/j.psyneuen.2019.104513, PubMed 31761332
11. Weibell MA, Johannessen JO, Auestad B, Bramness J, Brønnick K, Haahr U, Joa I, Larsen TK, Melle I, Opjordsmoen S, Rund BR, Røssberg JI, Simonsen E, Vaglum P, Stain H, Friis S, Hegelstad WTV (2019)
    Early Substance Use Cessation Improves Cognition-10 Years Outcome in First-Episode Psychosis Patients
    Front Psychiatry, 10, 495
    DOI 10.3389/fpsyt.2019.00495, PubMed 31354551
12. Wikenius E, Myhre AM, Page CM, Moe V, Smith L, Heiervang ER, Undlien DE, LeBlanc M (2019)
    Prenatal maternal depressive symptoms and infant DNA methylation: a longitudinal epigenome-wide study
    Nord J Psychiatry, 73 (4-5), 257-263
    DOI 10.1080/08039488.2019.1613446, PubMed 31070508

Publications 2018

1. Engel SM, Villanger GD, Nethery RC, Thomsen C, Sakhi AK, Drover SSM, Hoppin JA, Zeiner P, Knudsen GP, Reichborn-Kjennerud T, Herring AH, Aase H (2018)
   Prenatal Phthalates, Maternal Thyroid Function, and Risk of Attention-Deficit Hyperactivity Disorder in the Norwegian Mother and Child Cohort
   Environ Health Perspect, 126 (5), 057004
   DOI 10.1289/EHP2358, PubMed 29790729
2. Gardsjord ES, Romm KL, Røssberg JI, Friis S, Barder HE, Evensen J, Haahr U, Ten Velden Hegelstad W, Joa I, Johannessen JO, Langeveld J, Larsen TK, Opjordsmoen S, Rund BR, Simonsen E, Vaglum P, Melle I (2018)
   Depression and functioning are important to subjective quality of life after a first episode psychosis
   Compr Psychiatry, 86, 107-114
   DOI 10.1016/j.comppsych.2018.07.014, PubMed 30114656
3. Hansen BH, Oerbeck B, Skirbekk B, Petrovski BÉ, Kristensen H (2018)
   Neurodevelopmental disorders: prevalence and comorbidity in children referred to mental health services
   Nord J Psychiatry, 72 (4), 285-291
   DOI 10.1080/08039488.2018.1444087, PubMed 29488416
4. Oerbeck B, Overgaard KR, Stein MB, Pripp AH, Kristensen H (2018)
   Treatment of selective mutism: a 5-year follow-up study
   Eur Child Adolesc Psychiatry, 27 (8), 997-1009
   DOI 10.1007/s00787-018-1110-7, PubMed 29357099
5. Overgaard KR, Madsen KB, Oerbeck B, Friis S, Obel C (2018)
   The predictive validity of the Strengths and Difficulties Questionnaire for child attention-deficit/hyperactivity disorder
   Eur Child Adolesc Psychiatry, 28 (5), 625-633
   DOI 10.1007/s00787-018-1226-9, PubMed 30220077
6. Skogan AH, Oerbeck B, Christiansen C, Lande HL, Egeland J (2018)
   Updated developmental norms for fine motor functions as measured by finger tapping speed and the Grooved Pegboard Test
   Dev Neuropsychol, 43 (7), 551-565
   DOI 10.1080/87565641.2018.1495724, PubMed 30156884
7. Suren P, Thorstensen AG, Torstad M, Emhjellen PE, Furu K, Biele G, Aase H, Stoltenberg C, Zeiner P, Bakken IJ, Reichborn-Kjennerud T (2018)
   Diagnosis of hyperkinetic disorder among children in Norway
   Tidsskr. Nor. Laegeforen., 138 (20), 1924-1930
8. Surén P, Thorstensen AG, Tørstad M, Emhjellen PE, Furu K, Biele G, Aase H, Stoltenberg C, Zeiner P, Bakken IJ, Reichborn-Kjennerud T (2018)
   Diagnosis of hyperkinetic disorder among children in Norway
   Tidsskr Nor Laegeforen, 138 (20)
   DOI 10.4045/tidsskr.18.0418, PubMed 30539620
9. Øvergaard KR, Oerbeck B, Friis S, Pripp AH, Biele G, Aase H, Zeiner P (2018)
   Attention-Deficit/Hyperactivity Disorder in Preschoolers: The Accuracy of a Short Screener
   J Am Acad Child Adolesc Psychiatry, 57 (6), 428-435
   DOI 10.1016/j.jaac.2018.03.008, PubMed 29859558
10. Øvergaard KR, Oerbeck B, Friis S, Pripp AH, Biele G, Aase H, Zeiner P (2018)
    Dr. Øvergaard et al. Reply
    J Am Acad Child Adolesc Psychiatry, 57 (9), 701-702
    DOI 10.1016/j.jaac.2018.05.021, PubMed 30196877

Publications 2017

1. Falkum E, Klungsøyr O, Lystad JU, Bull HC, Evensen S, Martinsen EW, Friis S, Ueland T (2017)
   Vocational rehabilitation for adults with psychotic disorders in a Scandinavian welfare society
   BMC Psychiatry, 17 (1), 24
   DOI 10.1186/s12888-016-1183-0, PubMed 28095813
2. Furre A, Falk RS, Sandvik L, Friis S, Knutzen M, Hanssen-Bauer K (2017)
   Characteristics of adolescents frequently restrained in acute psychiatric units in Norway: a nationwide study
   Child Adolesc Psychiatry Ment Health, 11, 3
   DOI 10.1186/s13034-016-0136-1, PubMed 28096898
3. Gardsjord ES, Romm KL, Røssberg JI, Friis S, Barder HE, Evensen J, Haahr U, Ten Velden Hegelstad W, Joa I, Johannessen JO, Langeveld J, Larsen TK, Opjordsmoen S, Rund BR, Simonsen E, Vaglum P, McGlashan T, Melle I (2017)
   Is going into stable symptomatic remission associated with a more positive development of life satisfaction? A 10-year follow-up study of first episode psychosis
   Schizophr Res, 193, 364-369
   DOI 10.1016/j.schres.2017.07.006, PubMed 28701275
4. Kodal A, Fjermestad K, Bjelland I, Gjestad R, Öst LG, Bjaastad JF, Haugland BSM, Havik OE, Heiervang E, Wergeland GJ (2017)
   Long-term effectiveness of cognitive behavioral therapy for youth with anxiety disorders
   J Anxiety Disord, 53, 58-67
   DOI 10.1016/j.janxdis.2017.11.003, PubMed 29195188
5. Kaale A, Smith L, Nordahl-Hansen A, Fagerland MW, Kasari C (2017)
   Early interaction in autism spectrum disorder: Mothers' and children's behaviours during joint engagement
   Child Care Health Dev, 44 (2), 312-318
   DOI 10.1111/cch.12532, PubMed 29034499
6. Langeveld J, Bjørkly S, Evensen J, Joa I, Johannessen JO, Larsen TK, Melle I, Opjordsmoen S, Røssberg JI, Rund BR, Simonsen E, Vaglum P, Velden WT, McGlashan T, Friis S (2017)
   A 10-year follow-up study of violent victimization in first episode psychosis: Risk and protective factors
   Psychiatry Res, 259, 545-549
   DOI 10.1016/j.psychres.2017.11.013, PubMed 29172178
7. Melle I, Olav Johannesen J, Haahr UH, Ten Velden Hegelstad W, Joa I, Langeveld J, Larsen TK, Ilner Opjordsmoen S, Qin P, Ivar Røssberg J, Rishovd Rund B, Simonsen E, Vaglum PJW, McGlashan TH, Friis S (2017)
   Causes and predictors of premature death in first-episode schizophrenia spectrum disorders
   World Psychiatry, 16 (2), 217-218
   DOI 10.1002/wps.20431, PubMed 28498600
8. Munkhaugen EK, Gjevik E, Pripp AH, Sponheim E, Diseth TH (2017)
   School refusal behaviour: Are children and adolescents with autism spectrum disorder at a higher risk?
   Res. Autism Spectr. Disord., 41-42, 31-38
   DOI 10.1016/j.rasd.2017.07.001
9. Oerbeck B, Overgaard KR, Aspenes ST, Pripp AH, Mordre M, Aase H, Reichborn-Kjennerud T, Zeiner P (2017)
   ADHD, comorbid disorders and psychosocial functioning: How representative is a child cohort study? Findings from a national patient registry
   BMC Psychiatry, 17 (1), 23
   DOI 10.1186/s12888-017-1204-7, PubMed 28095819
10. Oerbeck B, Overgaard KR, Pripp AH, Reichborn-Kjennerud T, Aase H, Zeiner P (2017)
    Early Predictors of ADHD: Evidence from a Prospective Birth Cohort
    J Atten Disord, 24 (12), 1685-1692
    DOI 10.1177/1087054717696765, PubMed 29254401
11. Villanger GD, Learner E, Longnecker MP, Ask H, Aase H, Zoeller RT, Knudsen GP, Reichborn-Kjennerud T, Zeiner P, Engel SM (2017)
    Effects of Sample Handling and Analytical Procedures on Thyroid Hormone Concentrations in Pregnant Women's Plasma
    Epidemiology, 28 (3), 365-369
    DOI 10.1097/EDE.0000000000000606, PubMed 27984425
12. Weibell MA, Hegelstad WTV, Auestad B, Bramness J, Evensen J, Haahr U, Joa I, Johannessen JO, Larsen TK, Melle I, Opjordsmoen S, Rund BR, Simonsen E, Vaglum P, McGlashan T, McGorry P, Friis S (2017)
    The Effect of Substance Use on 10-Year Outcome in First-Episode Psychosis
    Schizophr Bull, 43 (4), 843-851
    DOI 10.1093/schbul/sbw179, PubMed 28199703
13. Zeiner P (2017)
    CHILDREN, VIOLENCE AND TRAUMA Meetings with young people in vulnerable life situations
    Tidsskr. Nor. Laegeforen., 137 (16), 1231

Publications 2016

1. Caspersen IH, Aase H, Biele G, Brantsæter AL, Haugen M, Kvalem HE, Skogan AH, Zeiner P, Alexander J, Meltzer HM, Knutsen HK (2016)
   The influence of maternal dietary exposure to dioxins and PCBs during pregnancy on ADHD symptoms and cognitive functions in Norwegian preschool children
   Environ Int, 94, 649-660
   DOI 10.1016/j.envint.2016.06.033, PubMed 27424260
2. Fletcher-Watson S, Apicella F, Auyeung B, Beranova S, Bonnet-Brilhault F, Canal-Bedia R, Charman T, Chericoni N, Conceição IC, Davies K, Farroni T, Gomot M, Jones E, Kaale A, Kapica K, Kawa R, Kylliäinen A, Larsen K, Lefort-Besnard J, Malvy J, Manso de Dios S, Markovska-Simoska S, Millo I, Miranda N, Pasco G et al. (2016)
   Attitudes of the autism community to early autism research
   Autism, 21 (1), 61-74
   DOI 10.1177/1362361315626577, PubMed 26975669
3. Furre A, Sandvik L, Friis S, Knutzen M, Hanssen-Bauer K (2016)
   A nationwide study of why and how acute adolescent psychiatric units use restraint
   Psychiatry Res, 237, 60-6
   DOI 10.1016/j.psychres.2016.01.067, PubMed 26921053
4. Gardsjord ES, Romm KL, Friis S, Barder HE, Evensen J, Haahr U, ten Velden Hegelstad W, Joa I, Johannessen JO, Langeveld J, Larsen TK, Opjordsmoen S, Rund BR, Simonsen E, Vaglum P, McGlashan T, Melle I, Røssberg JI (2016)
   Subjective quality of life in first-episode psychosis. A ten year follow-up study
   Schizophr Res, 172 (1-3), 23-8
   DOI 10.1016/j.schres.2016.02.034, PubMed 26947210
5. Hegelstad WT, Bronnick KS, Barder HE, Evensen JH, Haahr U, Joa I, Johannessen JO, Langeveld J, Larsen TK, Melle I, Opjordsmoen S, Rund BR, Rossberg JI, Simonsen E, Vaglum PW, McGlashan TH, Friis S (2016)
   Preventing Poor Vocational Functioning in Psychosis Through Early Intervention
   Psychiatr Serv, 68 (1), 100-103
   DOI 10.1176/appi.ps.201500451, PubMed 27582238
6. Haahr UH, Larsen TK, Simonsen E, Rund BR, Joa I, Rossberg JI, Johannessen JO, Langeveld J, Evensen J, Trauelsen AMH, Vaglum P, Opjordsmoen S, Hegelstad WTV, Friis S, McGlashan T, Melle I (2016)
   Relation between premorbid adjustment, duration of untreated psychosis and close interpersonal trauma in first-episode psychosis
   Early Interv Psychiatry, 12 (3), 316-323
   DOI 10.1111/eip.12315, PubMed 26800653
7. Kvale A, Bunkan BH, Opjordsmoen S, Friis S (2016)
   The Global Body Examination (GBE): A useful instrument for examination of patients with long-lasting musculoskeletal and/or psychological disorders
   Eur. J. Physiother., 18 (2), 137-143
   DOI 10.3109/21679169.2016.1149217
8. Nordahl-Hansen A, Fletcher-Watson S, McConachie H, Kaale A (2016)
   Relations between specific and global outcome measures in a social-communication intervention for children with autism spectrum disorder
   Res. Autism Spectr. Disord., 29-30, 19-29
   DOI 10.1016/j.rasd.2016.05.005
9. Villabø MA, Oerbeck B, Skirbekk B, Hansen BH, Kristensen H (2016)
   Convergent and divergent validity of K-SADS-PL anxiety and attention deficit hyperactivity disorder diagnoses in a clinical sample of school-aged children
   Nord J Psychiatry, 70 (5), 358-64
   DOI 10.3109/08039488.2015.1125944, PubMed 26836986
10. Wikenius E, Moe V, Kjellevold M, Smith L, Lyle R, Waagbø R, Page CM, Myhre AM (2016)
    The Association between Hair Cortisol and Self-Reported Symptoms of Depression in Pregnant Women
    PLoS One, 11 (9), e0161804
    DOI 10.1371/journal.pone.0161804, PubMed 27584584

Publications 2015

1. Bendiksen B, Aase H, Diep LM, Svensson E, Friis S, Zeiner P (2015)
   The Associations Between Pre- and Postnatal Maternal Symptoms of Distress and Preschooler's Symptoms of ADHD, Oppositional Defiant Disorder, Conduct Disorder, and Anxiety
   J Atten Disord, 24 (7), 1057-1069
   DOI 10.1177/1087054715616185, PubMed 26647350
2. Friis S, Melle I, Johannessen JO, Røssberg JI, Barder HE, Evensen JH, Haahr U, Ten Velden Hegelstad W, Joa I, Langeveld J, Larsen TK, Opjordsmoen S, Rund BR, Simonsen E, Vaglum PW, McGlashan TH (2015)
   Early Predictors of Ten-Year Course in First-Episode Psychosis
   Psychiatr Serv, 67 (4), 438-43
   DOI 10.1176/appi.ps.201400558, PubMed 26567932
3. Guidry VT, Longnecker MP, Aase H, Eggesbø M, Zeiner P, Reichborn-Kjennerud T, Knudsen GP, Bertelsen RJ, Ye X, Calafat AM, Engel SM (2015)
   Measurement of Total and Free Urinary Phenol and Paraben Concentrations over the Course of Pregnancy: Assessing Reliability and Contamination of Specimens in the Norwegian Mother and Child Cohort Study
   Environ Health Perspect, 123 (7), 705-11
   DOI 10.1289/ehp.1408325, PubMed 25782115
4. Hansen BH, Oerbeck B, Skirbekk B, Kristensen H (2015)
   Non-obsessive-compulsive anxiety disorders in child and adolescent mental health services--Are they underdiagnosed, and how accurate is referral information?
   Nord J Psychiatry, 70 (2), 133-9
   DOI 10.3109/08039488.2015.1061053, PubMed 26179992
5. Juuhl-Langseth M, Hartberg CB, Holmén A, Thormodsen R, Groote IR, Rimol LM, Emblem KE, Agartz I, Rund BR (2015)
   Impaired Verbal Learning Is Associated with Larger Caudate Volumes in Early Onset Schizophrenia Spectrum Disorders
   PLoS One, 10 (7), e0130435
   DOI 10.1371/journal.pone.0130435, PubMed 26230626
6. Manassis K, Oerbeck B, Overgaard KR (2015)
   The use of medication in selective mutism: a systematic review
   Eur Child Adolesc Psychiatry, 25 (6), 571-8
   DOI 10.1007/s00787-015-0794-1, PubMed 26560144
7. Nilsen L, Norheim I, Frich JC, Friis S, Røssberg JI (2015)
   Challenges for group leaders working with families dealing with early psychosis: a qualitative study
   BMC Psychiatry, 15, 141
   DOI 10.1186/s12888-015-0540-8, PubMed 26134829
8. Oerbeck B, Overgaard K, Pripp AH, Aase H, Reichborn-Kjennerud T, Zeiner P (2015)
   Adult ADHD Symptoms and Satisfaction With Life: Does Age and Sex Matter?
   J Atten Disord, 23 (1), 3-11
   DOI 10.1177/1087054715612257, PubMed 26582800
9. Overgaard KR, Oerbeck B, Aase H, Torgersen S, Reichborn-Kjennerud T, Zeiner P (2015)
   Emotional Lability in Preschoolers With Symptoms of ADHD
   J Atten Disord, 22 (8), 787-795
   DOI 10.1177/1087054715576342, PubMed 25804545
10. Rund BR, Barder HE, Evensen J, Haahr U, ten Velden Hegelstad W, Joa I, Johannessen JO, Langeveld J, Larsen TK, Melle I, Opjordsmoen S, Røssberg JI, Simonsen E, Sundet K, Vaglum P, McGlashan T, Friis S (2015)
    Neurocognition and Duration of Psychosis: A 10-year Follow-up of First-Episode Patients
    Schizophr Bull, 42 (1), 87-95
    DOI 10.1093/schbul/sbv083, PubMed 26101305
11. Salomone E, Beranová Š, Bonnet-Brilhault F, Briciet Lauritsen M, Budisteanu M, Buitelaar J, Canal-Bedia R, Felhosi G, Fletcher-Watson S, Freitag C, Fuentes J, Gallagher L, Garcia Primo P, Gliga F, Gomot M, Green J, Heimann M, Jónsdóttir SL, Kaale A, Kawa R, Kylliainen A, Lemcke S, Markovska-Simoska S, Marschik PB, McConachie H et al. (2015)
    Use of early intervention for young children with autism spectrum disorder across Europe
    Autism, 20 (2), 233-49
    DOI 10.1177/1362361315577218, PubMed 25916866
12. Skogan AH, Egeland J, Zeiner P, Øvergaard KR, Oerbeck B, Reichborn-Kjennerud T, Aase H (2015)
    Factor structure of the Behavior Rating Inventory of Executive Functions (BRIEF-P) at age three years
    Child Neuropsychol, 22 (4), 472-92
    DOI 10.1080/09297049.2014.992401, PubMed 25573465
13. Skogan AH, Zeiner P, Egeland J, Urnes AG, Reichborn-Kjennerud T, Aase H (2015)
    Parent ratings of executive function in young preschool children with symptoms of attention-deficit/-hyperactivity disorder
    Behav Brain Funct, 11, 16
    DOI 10.1186/s12993-015-0060-1, PubMed 25889243
14. Zayats T, Athanasiu L, Sonderby I, Djurovic S, Westlye LT, Tamnes CK, Fladby T, Aase H, Zeiner P, Reichborn-Kjennerud T, Knappskog PM, Knudsen GP, Andreassen OA, Johansson S, Haavik J (2015)
    Genome-wide analysis of attention deficit hyperactivity disorder in Norway
    PLoS One, 10 (4), e0122501
    DOI 10.1371/journal.pone.0122501, PubMed 25875332

Publications 2014

1. Barder HE, Sundet K, Rund B, Evensen J, Haahr U, Hegelstad W, Joa I, Johannessen JO, Langeveld J, Larsen TK, Melle I, Opjordsmoen S, Rossberg JI, Simonsen E, Vaglum P, McGlashan T, Friis S (2014)
   Ten year neurocognitive trajectories in first-episode psychosis (vol 7, pg 643, 2013)
   Front. Hum. Neurosci., 8, 319
   DOI 10.3389/fnhum.2014.00319
2. Bendiksen B, Svensson E, Aase H, Reichborn-Kjennerud T, Friis S, Myhre AM, Zeiner P (2014)
   Co-Occurrence of ODD and CD in Preschool Children With Symptoms of ADHD
   J Atten Disord, 21 (9), 741-752
   DOI 10.1177/1087054714538655, PubMed 24994876
3. Bendiksen B, Aase H, Svensson E, Friis S, Myhre AM, Reichborn-Kjennerud T, Zeiner P (2014)
   Impairment in Young Preschool Children with Symptoms of Attention-Deficit/Hyperactivity Disorder and Co-occurring Oppositional Defiant Disorder and Conduct Disorder
   Scand. J. Child Adolesc. Psychiatr. Psychol., 2 (3), 95-105
   DOI 10.21307/sjcapp-2014-014
4. Bull H, Ueland T, Lystad JU, Evensen S, Friis S, Martinsen EW, Falkum E (2014)
   Validation of the work behavior inventory
   Nord J Psychiatry, 69 (4), 300-6
   DOI 10.3109/08039488.2014.973902, PubMed 25393653
5. Eriksson H, Christiansen M, Holmgren J, Engström A, Salzmann-Erikson M (2014)
   Nursing under the skin: a netnographic study of metaphors and meanings in nursing tattoos
   Nurs Inq, 21 (4), 318-326
   DOI 10.1111/nin.12061, PubMed 24467822
6. Furre A, Sandvik L, Heyerdahl S, Friis S, Knutzen M, Hanssen-Bauer K (2014)
   Characteristics of adolescents subjected to restraint in acute psychiatric units in Norway: a case-control study
   Psychiatr Serv, 65 (11), 1367-72
   DOI 10.1176/appi.ps.201300429, PubMed 24980114
7. Gjevik E, Sandstad B, Andreassen OA, Myhre AM, Sponheim E (2014)
   Exploring the agreement between questionnaire information and DSM-IV diagnoses of comorbid psychopathology in children with autism spectrum disorders
   Autism, 19 (4), 433-42
   DOI 10.1177/1362361314526003, PubMed 24637430
8. Juuhl-Langseth M, Holmén A, Thormodsen R, Oie M, Rund BR (2014)
   Relative stability of neurocognitive deficits in early onset schizophrenia spectrum patients
   Schizophr Res, 156 (2-3), 241-7
   DOI 10.1016/j.schres.2014.04.014, PubMed 24811433
9. Knutzen M, Bjorkly S, Eidhammer G, Lorentzen S, Mjosund NH, Opjordsmoen S, Sandvik L, Friis S (2014)
   Characteristics of patients frequently subjected to pharmacological and mechanical restraint - A register study in three Norwegian acute psychiatric wards (vol 215, pg 127, 2014)
   Psychiatry Res., 219 (3), 714
   DOI 10.1016/j.psychres.2014.03.013
10. Kristensen H, Oerbeck B, Torgersen HS, Hansen BH, Wyller VB (2014)
    Somatic symptoms in children with anxiety disorders: an exploratory cross-sectional study of the relationship between subjective and objective measures
    Eur Child Adolesc Psychiatry, 23 (9), 795-803
    DOI 10.1007/s00787-013-0512-9, PubMed 24390719
11. Langeveld J, Bjørkly S, Auestad B, Barder H, Evensen J, Ten Velden Hegelstad W, Joa I, Johannessen JO, Larsen TK, Melle I, Opjordsmoen S, Røssberg JI, Rund BR, Simonsen E, Vaglum P, McGlashan T, Friis S (2014)
    Treatment and violent behavior in persons with first episode psychosis during a 10-year prospective follow-up study
    Schizophr Res, 156 (2-3), 272-6
    DOI 10.1016/j.schres.2014.04.010, PubMed 24837683
12. Lensing MB, Zeiner P, Sandvik L, Opjordsmoen S (2014)
    Psychopharmacological treatment of ADHD in adults aged 50+: an empirical study
    J Atten Disord, 19 (5), 380-9
    DOI 10.1177/1087054714527342, PubMed 24681898
13. Nilsen L, Frich JC, Friis S, Norheim I, Røssberg JI (2014)
    Participants' perceived benefits of family intervention following a first episode of psychosis: a qualitative study
    Early Interv Psychiatry, 10 (2), 152-9
    DOI 10.1111/eip.12153, PubMed 24861325
14. Nilsen L, Frich JC, Friis S, Røssberg JI (2014)
    Patients' and family members' experiences of a psychoeducational family intervention after a first episode psychosis: a qualitative study
    Issues Ment Health Nurs, 35 (1), 58-68
    DOI 10.3109/01612840.2013.837992, PubMed 24350752
15. Nordahl-Hansen A, Kaale A, Ulvund SE (2014)
    Language assessment in children with autism spectrum disorder: Concurrent validity between report-based assessments and direct tests
    Res. Autism Spectr. Disord., 8 (9), 1100-1106
    DOI 10.1016/j.rasd.2014.05.017
16. Oerbeck B, Stein MB, Pripp AH, Kristensen H (2014)
    Selective mutism: follow-up study 1 year after end of treatment
    Eur Child Adolesc Psychiatry, 24 (7), 757-66
    DOI 10.1007/s00787-014-0620-1, PubMed 25267381
17. Overgaard KR, Aase H, Torgersen S, Reichborn-Kjennerud T, Oerbeck B, Myhre A, Zeiner P (2014)
    Continuity in features of anxiety and attention deficit/hyperactivity disorder in young preschool children
    Eur Child Adolesc Psychiatry, 23 (9), 743-52
    DOI 10.1007/s00787-014-0538-7, PubMed 24687273
18. Rohrer-Baumgartner N, Zeiner P, Egeland J, Gustavson K, Skogan AH, Reichborn-Kjennerud T, Aase H (2014)
    Does IQ influence associations between ADHD symptoms and other cognitive functions in young preschoolers?
    Behav Brain Funct, 10, 16
    DOI 10.1186/1744-9081-10-16, PubMed 24884579
19. Salzmann-Erikson M (2014)
    Limiting Patients as a Nursing Practice in Psychiatric Intensive Care Units to Ensure Safety and Gain Control
    Perspect Psychiatr Care, 51 (4), 241-52
    DOI 10.1111/ppc.12083, PubMed 25159597
20. Sönmez N, Røssberg JI, Evensen J, Barder HE, Haahr U, Ten Velden Hegelstad W, Joa I, Johannessen JO, Langeveld H, Larsen TK, Melle I, Opjordsmoen S, Rund BR, Simonsen E, Vaglum P, McGlashan T, Friis S (2014)
    Depressive symptoms in first-episode psychosis: a 10-year follow-up study
    Early Interv Psychiatry, 10 (3), 227-33
    DOI 10.1111/eip.12163, PubMed 24956976

Publications 2013

1. Alvik A (2013)
   Variables predicting low infant developmental scores: maternal age above 30 years is a main predictor
   Scand J Public Health, 42 (2), 113-9
   DOI 10.1177/1403494813510225, PubMed 24259540
2. Alvik A, Aalen OO, Lindemann R (2013)
   Early fetal binge alcohol exposure predicts high behavioral symptom scores in 5.5-year-old children
   Alcohol Clin Exp Res, 37 (11), 1954-62
   DOI 10.1111/acer.12182, PubMed 23888929
3. Barder HE, Sundet K, Rund BR, Evensen J, Haahr U, Ten Velden Hegelstad W, Joa I, Johannessen JO, Langeveld H, Larsen TK, Melle I, Opjordsmoen S, Røssberg JI, Simonsen E, Vaglum P, McGlashan T, Friis S (2013)
   Neurocognitive development in first episode psychosis 5 years follow-up: associations between illness severity and cognitive course
   Schizophr Res, 149 (1-3), 63-9
   DOI 10.1016/j.schres.2013.06.016, PubMed 23810121
4. Barder HE, Sundet K, Rund BR, Evensen J, Haahr U, Ten Velden Hegelstad W, Joa I, Johannessen JO, Langeveld J, Larsen TK, Melle I, Opjordsmoen S, Røssberg JI, Simonsen E, Vaglum P, McGlashan T, Friis S (2013)
   Ten year neurocognitive trajectories in first-episode psychosis
   Front Hum Neurosci, 7, 643
   DOI 10.3389/fnhum.2013.00643, PubMed 24109449
5. Faerden A, Barrett EA, Nesvåg R, Friis S, Finset A, Marder SR, Ventura J, Andreassen OA, Agartz I, Melle I (2013)
   Apathy, poor verbal memory and male gender predict lower psychosocial functioning one year after the first treatment of psychosis
   Psychiatry Res, 210 (1), 55-61
   DOI 10.1016/j.psychres.2013.02.007, PubMed 23489592
6. Knutzen M, Bjørkly S, Eidhammer G, Lorentzen S, Mjøsund NH, Opjordsmoen S, Sandvik L, Friis S (2013)
   Characteristics of patients frequently subjected to pharmacological and mechanical restraint--a register study in three Norwegian acute psychiatric wards
   Psychiatry Res, 215 (1), 127-33
   DOI 10.1016/j.psychres.2013.10.024, PubMed 24230996
7. Kaale A, Fagerland MW, Martinsen EW, Smith L (2013)
   Preschool-based social communication treatment for children with autism: 12-month follow-up of a randomized trial
   J Am Acad Child Adolesc Psychiatry, 53 (2), 188-98
   DOI 10.1016/j.jaac.2013.09.019, PubMed 24472253
8. Lensing MB, Zeiner P, Sandvik L, Opjordsmoen S (2013)
   Four-year outcome in psychopharmacologically treated adults with attention-deficit/hyperactivity disorder: a questionnaire survey
   J Clin Psychiatry, 74 (1), e87-93
   DOI 10.4088/JCP.12m07714, PubMed 23419235
9. Lensing MB, Zeiner P, Sandvik L, Opjordsmoen S (2013)
   Quality of life in adults aged 50+ with ADHD
   J Atten Disord, 19 (5), 405-13
   DOI 10.1177/1087054713480035, PubMed 23514676
10. Lensing MB, Zeiner P, Sandvik L, Opjordsmoen S (2013)
    Adults with ADHD: use and misuse of stimulant medication as reported by patients and their primary care physicians
    Atten Defic Hyperact Disord, 5 (4), 369-76
    DOI 10.1007/s12402-013-0116-8, PubMed 23975605
11. Nordahl-Hansen A, Kaale A, Ulvund SE (2013)
    Inter-rater reliability of parent and preschool teacher ratings of language in children with autism
    Res. Autism Spectr. Disord., 7 (11), 1391-1396
    DOI 10.1016/j.rasd.2013.08.006
12. Rohrer-Baumgartner N, Zeiner P, Eadie P, Egeland J, Gustavson K, Reichborn-Kjennerud T, Aase H (2013)
    Language Delay in 3-Year-Old Children With ADHD Symptoms
    J Atten Disord, 20 (10), 867-78
    DOI 10.1177/1087054713497253, PubMed 23942041
13. Salzmann-Erikson M (2013)
    An integrative review of what contributes to personal recovery in psychiatric disabilities
    Issues Ment Health Nurs, 34 (3), 185-91
    DOI 10.3109/01612840.2012.737892, PubMed 23477439
14. Salzmann-Erikson M (2013)
    IMPAD-22: a checklist for authors of qualitative nursing research manuscripts
    Nurse Educ Today, 33 (11), 1295-300
    DOI 10.1016/j.nedt.2013.03.010, PubMed 23611509
15. Salzmann-Erikson M (2013)
    Stability in intensive psychiatry: a concept analysis
    Perspect Psychiatr Care, 50 (2), 122-31
    DOI 10.1111/ppc.12030, PubMed 24689492
16. Skogan AH, Zeiner P, Egeland J, Rohrer-Baumgartner N, Urnes AG, Reichborn-Kjennerud T, Aase H (2013)
    Inhibition and working memory in young preschool children with symptoms of ADHD and/or oppositional-defiant disorder
    Child Neuropsychol, 20 (5), 607-24
    DOI 10.1080/09297049.2013.838213, PubMed 24053105
17. Sorte HS, Gjevik E, Sponheim E, Eiklid KL, Rødningen OK (2013)
    Copy number variation findings among 50 children and adolescents with autism spectrum disorder
    Psychiatr Genet, 23 (2), 61-9
    DOI 10.1097/YPG.0b013e32835d718b, PubMed 23277134
18. ten Velden Hegelstad W, Joa I, Barder H, Evensen J, Haahr U, Johannessen JO, Langeveld J, Melle I, Opjordsmoen S, Røssberg JI, Rund BR, Simonsen E, Vaglum P, McGlashan T, Friis S, Larsen TK (2013)
    Variation in duration of untreated psychosis in an 18-year perspective
    Early Interv Psychiatry, 8 (4), 323-31
    DOI 10.1111/eip.12057, PubMed 23773272
19. Thormodsen R, Rimol LM, Tamnes CK, Juuhl-Langseth M, Holmén A, Emblem KE, Rund BR, Agartz I (2013)
    Age-related cortical thickness differences in adolescents with early-onset schizophrenia compared with healthy adolescents
    Psychiatry Res, 214 (3), 190-6
    DOI 10.1016/j.pscychresns.2013.07.003, PubMed 24144503

Publications 2012

1. Bakken TL, Rossberg JI, Friis S (2012)
   The ward atmosphere scale for psychiatric inpatients with intellectual disability: a pilot study
   Adv. Ment. Health Intellet. Disabil., 6 (5), 265-272
   DOI 10.1108/20441281211261159
2. Eriksson H, Salzmann-Erikson M (2012)
   Supporting a caring fatherhood in cyberspace - an analysis of communication about caring within an online forum for fathers
   Scand J Caring Sci, 27 (1), 63-9
   DOI 10.1111/j.1471-6712.2012.01001.x, PubMed 22536835
3. Eriksson H, Salzmann-Erikson M (2012)
   Cyber nursing--health 'experts' approaches in the post-modern era of virtual performances: a nethnography study
   Int J Nurs Stud, 50 (3), 335-44
   DOI 10.1016/j.ijnurstu.2012.09.014, PubMed 23040763
4. Evensen J, Røssberg JI, Barder H, Haahr U, Hegelstad Wt, Joa I, Johannessen JO, Larsen TK, Melle I, Opjordsmoen S, Rund BR, Simonsen E, Sundet K, Vaglum P, Friis S, McGlashan T (2012)
   Apathy in first episode psychosis patients: a ten year longitudinal follow-up study
   Schizophr Res, 136 (1-3), 19-24
   DOI 10.1016/j.schres.2011.12.019, PubMed 22285655
5. Evensen J, Røssberg JI, Barder H, Haahr U, Hegelstad WT, Joa I, Johannessen JO, Larsen TK, Melle I, Opjordsmoen S, Rund BR, Simonsen E, Vaglum P, McGlashan T, Friis S (2012)
   Flat affect and social functioning: a 10 year follow-up study of first episode psychosis patients
   Schizophr Res, 139 (1-3), 99-104
   DOI 10.1016/j.schres.2012.04.019, PubMed 22627124
6. Friis S, Barder H, Evensen JH, Haahr U, Hegelstad WT, Joa I, Johannessen JO, Langeveld J, Larsen TK, Melle I, Opjordsmoen S, Rund BR, Røssberg JI, Simonsen E, Sundet K, Vaglum P, McGlashan T (2012)
   The TIPS study and bias: replies to Dr Amos
   Aust N Z J Psychiatry, 46 (9), 905-7
   DOI 10.1177/0004867412451344, PubMed 22956571
7. Friis S, Kvåle A, Opjordsmoen S, Bunkan BH (2012)
   The Global Body Examination (GBE). A useful instrument for evaluation of respiration
   Adv Physiother, 14 (4), 146-154
   DOI 10.3109/14038196.2012.704943, PubMed 23243389
8. Hegelstad WT, Larsen TK, Auestad B, Evensen J, Haahr U, Joa I, Johannesen JO, Langeveld J, Melle I, Opjordsmoen S, Rossberg JI, Rund BR, Simonsen E, Sundet K, Vaglum P, Friis S, McGlashan T (2012)
   Long-term follow-up of the TIPS early detection in psychosis study: effects on 10-year outcome
   Am J Psychiatry, 169 (4), 374-80
   DOI 10.1176/appi.ajp.2011.11030459, PubMed 22407080
9. Holmén A, Juuhl-Langseth M, Thormodsen R, Sundet K, Melle I, Rund BR (2012)
   Executive function tests in early-onset psychosis: which one to choose?
   Scand J Psychol, 53 (3), 200-5
   DOI 10.1111/j.1467-9450.2012.00940.x, PubMed 22416819
10. Holmén A, Juuhl-Langseth M, Thormodsen R, Ueland T, Agartz I, Sundet K, Andreassen OA, Rund BR, Melle I (2012)
    Executive function in early- and adult onset schizophrenia
    Schizophr Res, 142 (1-3), 177-82
    DOI 10.1016/j.schres.2012.10.006, PubMed 23102692
11. Haahr U, Simonsen E, Røssberg JI, Johannessen JO, Larsen TK, Melle I, Opjordsmoen S, Rund BR, Vaglum P, Friis S, McGlashan T (2012)
    Patient satisfaction with treatment in first-episode psychosis
    Nord J Psychiatry, 66 (5), 329-35
    DOI 10.3109/08039488.2011.644808, PubMed 22250962
12. Juuhl-Langseth M, Rimol LM, Rasmussen IA, Thormodsen R, Holmén A, Emblem KE, Due-Tønnessen P, Rund BR, Agartz I (2012)
    Comprehensive segmentation of subcortical brain volumes in early onset schizophrenia reveals limited structural abnormalities
    Psychiatry Res, 203 (1), 14-23
    DOI 10.1016/j.pscychresns.2011.10.005, PubMed 22917502
13. Knutzen M, Bjørkly S, Eidhammer G, Lorentzen S, Helen Mjøsund N, Opjordsmoen S, Sandvik L, Friis S (2012)
    Mechanical and pharmacological restraints in acute psychiatric wards--why and how are they used?
    Psychiatry Res, 209 (1), 91-7
    DOI 10.1016/j.psychres.2012.11.017, PubMed 23219102
14. Langeveld J, Joa I, Friis S, ten Velden Hegelstad W, Melle I, Johannessen JO, Opjordsmoen S, Simonsen E, Vaglum P, Auestad B, McGlashan T, Larsen TK (2012)
    A comparison of adolescent- and adult-onset first-episode, non-affective psychosis: 2-year follow-up
    Eur Arch Psychiatry Clin Neurosci, 262 (7), 599-605
    DOI 10.1007/s00406-012-0308-9, PubMed 22441715
15. Mordre M, Groholt B, Knudsen AK, Sponheim E, Mykletun A, Myhre AM (2012)
    Is long-term prognosis for pervasive developmental disorder not otherwise specified different from prognosis for autistic disorder? Findings from a 30-year follow-up study
    J Autism Dev Disord, 42 (6), 920-8
    DOI 10.1007/s10803-011-1319-5, PubMed 21713590
16. Mordre M, Groholt B, Sandstad B, Myhre AM (2012)
    The impact of ADHD symptoms and global impairment in childhood on working disability in mid-adulthood: a 28-year follow-up study using official disability pension records in a high-risk in-patient population
    BMC Psychiatry, 12, 174
    DOI 10.1186/1471-244X-12-174, PubMed 23083209
17. Overgaard KR, Aase H, Torgersen S, Zeiner P (2012)
    Co-Occurrence of ADHD and Anxiety in Preschool Children
    J Atten Disord, 20 (7), 573-80
    DOI 10.1177/1087054712463063, PubMed 23160487
18. Salzmann-Erikson M, Eriksson H (2012)
    Panoptic power and mental health nursing-space and surveillance in relation to staff, patients, and neutral places
    Issues Ment Health Nurs, 33 (8), 500-4
    DOI 10.3109/01612840.2012.682326, PubMed 22849776
19. Skirbekk B, Hansen BH, Oerbeck B, Wentzel-Larsen T, Kristensen H (2012)
    Motor impairment in children with anxiety disorders
    Psychiatry Res, 198 (1), 135-9
    DOI 10.1016/j.psychres.2011.12.008, PubMed 22386219
20. Ten Velden Hegelstad W, Haahr U, Larsen TK, Auestad B, Barder H, Evensen J, Joa I, Johannessen JO, Langeveld J, Melle I, Opjordsmoen S, Rossberg JI, Rund BR, Simonsen E, Vaglum P, McGlashan T, Friis S (2012)
    Early detection, early symptom progression and symptomatic remission after ten years in a first episode of psychosis study
    Schizophr Res, 143 (2-3), 337-43
    DOI 10.1016/j.schres.2012.10.027, PubMed 23219862
21. Thormodsen R, Juuhl-Langseth M, Holmèn A, Rishovd Rund B (2012)
    Visual backward-masking performance in a longitudinal study of early onset schizophrenia
    Psychiatry Res, 200 (2-3), 153-8
    DOI 10.1016/j.psychres.2012.05.014, PubMed 22673182

Publications 2011

1. Brøndbo PH, Mathiassen B, Martinussen M, Heiervang E, Eriksen M, Moe TF, Sæther G, Kvernmo S (2011)
   The strengths and difficulties questionnaire as a screening instrument for norwegian child and adolescent mental health services, application of UK scoring algorithms
   Child Adolesc Psychiatry Ment Health, 5, 32
   DOI 10.1186/1753-2000-5-32, PubMed 21992589
2. Evensen J, Røssberg JI, Haahr U, ten Velden Hegelstad W, Joa I, Johannessen JO, Langeveld H, Larsen TK, Melle I, Opjordsmoen S, Rund BR, Simonsen E, Sundet K, Vaglum P, Friis S, McGlashan T (2011)
   Contrasting monosymptomatic patients with hallucinations and delusions in first-episode psychosis patients: a five-year longitudinal follow-up study
   Psychopathology, 44 (2), 90-7
   DOI 10.1159/000319789, PubMed 21228615
3. Gjevik E, Eldevik S, Fjæran-Granum T, Sponheim E (2011)
   Kiddie-SADS reveals high rates of DSM-IV disorders in children and adolescents with autism spectrum disorders
   J Autism Dev Disord, 41 (6), 761-9
   DOI 10.1007/s10803-010-1095-7, PubMed 20824493
4. Hansen BH, Skirbekk B, Oerbeck B, Richter J, Kristensen H (2011)
   Comparison of sleep problems in children with anxiety and attention deficit/hyperactivity disorders
   Eur Child Adolesc Psychiatry, 20 (6), 321-30
   DOI 10.1007/s00787-011-0179-z, PubMed 21533911
5. Høglend P, Hersoug AG, Bøgwald KP, Amlo S, Marble A, Sørbye Ø, Røssberg JI, Ulberg R, Gabbard GO, Crits-Christoph P (2011)
   Effects of transference work in the context of therapeutic alliance and quality of object relations
   J Consult Clin Psychol, 79 (5), 697-706
   DOI 10.1037/a0024863, PubMed 21859184
6. Kvåle A, Bunkan BH, Opjordsmoen S, Friis S (2011)
   Development of the movement domain in the global body examination
   Physiother Theory Pract, 28 (1), 41-9
   DOI 10.3109/09593985.2011.561419, PubMed 21682584
7. Kaale A, Smith L, Sponheim E (2011)
   A randomized controlled trial of preschool-based joint attention intervention for children with autism
   J Child Psychol Psychiatry, 53 (1), 97-105
   DOI 10.1111/j.1469-7610.2011.02450.x, PubMed 21883204
8. Mordre M, Groholt B, Kjelsberg E, Sandstad B, Myhre AM (2011)
   The impact of ADHD and conduct disorder in childhood on adult delinquency: a 30 years follow-up study using official crime records
   BMC Psychiatry, 11, 57
   DOI 10.1186/1471-244X-11-57, PubMed 21481227
9. Nesvold H, Ormstad K, Friis S (2011)
   To be used or not to be used, that is the question: legal use of forensic and clinical information collected in a self-referral sexual assault centre
   J Forensic Sci, 56 (5), 1156-62
   DOI 10.1111/j.1556-4029.2011.01879.x, PubMed 21827469
10. Nesvold H, Ormstad K, Friis S (2011)
    Sexual assault centres and police reporting--an important arena for medical/legal interaction
    J Forensic Sci, 56 (5), 1163-9
    DOI 10.1111/j.1556-4029.2011.01880.x, PubMed 21827470
11. Skirbekk B, Hansen BH, Oerbeck B, Kristensen H (2011)
    The relationship between sluggish cognitive tempo, subtypes of attention-deficit/hyperactivity disorder, and anxiety disorders
    J Abnorm Child Psychol, 39 (4), 513-25
    DOI 10.1007/s10802-011-9488-4, PubMed 21331639
12. Sponheim E (2011)
    [Has Asperger syndrome become more common?]
    Tidsskr Nor Laegeforen, 131 (6), 561
    DOI 10.4045/tidsskr.10.1381, PubMed 21423300
13. Tandberg M, Ueland T, Sundet K, Haahr U, Joa I, Johannessen JO, Larsen TK, Opjordsmoen S, Rund BR, Røssberg JI, Simonsen E, Vaglum P, Melle I, Friis S, McGlashan T (2011)
    Neurocognition and occupational functioning in patients with first-episode psychosis: a 2-year follow-up study
    Psychiatry Res, 188 (3), 334-42
    DOI 10.1016/j.psychres.2011.04.021, PubMed 21575993
14. Thormodsen R, Jensen J, Holmèn A, Juuhl-Langseth M, Emblem KE, Andreassen OA, Rund BR (2011)
    Prefrontal hyperactivation during a working memory task in early-onset schizophrenia spectrum disorders: an fMRI study
    Psychiatry Res, 194 (3), 257-262
    DOI 10.1016/j.pscychresns.2011.05.011, PubMed 22079661
15. Zeiner P, Gjevik E, Weidle B (2011)
    Response to atomoxetine in boys with high-functioning autism spectrum disorders and attention deficit/hyperactivity disorder
    Acta Paediatr, 100 (9), 1258-61
    DOI 10.1111/j.1651-2227.2011.02263.x, PubMed 21392103

Publications 2010

1. Kvale A, Bunkan BH, Opjordsmoen S, Ljunggren E, Friis S (2010)
   Development of the Posture domain in the Global Body Examination (GBE)
   Eur. J. Physiother., 12 (3), 157-165
   DOI 10.3109/14038196.2010.489618
2. Melle I, Johannessen JO, Friis S, Haahr U, Joa I, Larsen TK, Opjordsmoen S, Rund BR, Simonsen E, Vaglum P, McGlashan T (2010)
   Course and predictors of suicidality over the first two years of treatment in first-episode schizophrenia spectrum psychosis
   Arch Suicide Res, 14 (2), 158-70
   DOI 10.1080/13811111003704787, PubMed 20455151

Publications 2009

1. Birkenaes AB, Birkeland KI, Friis S, Opjordsmoen S, Andreassen OA (2009)
   Hormonal markers of metabolic dysregulation in patients with severe mental disorders after olanzapine treatment under real-life conditions
   J Clin Psychopharmacol, 29 (2), 109-16
   DOI 10.1097/JCP.0b013e31819b95fc, PubMed 19512971
2. Faerden A, Friis S, Agartz I, Barrett EA, Nesvåg R, Finset A, Melle I (2009)
   Apathy and functioning in first-episode psychosis
   Psychiatr Serv, 60 (11), 1495-503
   DOI 10.1176/ps.2009.60.11.1495, PubMed 19880468
3. Faerden A, Vaskinn A, Finset A, Agartz I, Ann Barrett E, Friis S, Simonsen C, Andreassen OA, Melle I (2009)
   Apathy is associated with executive functioning in first episode psychosis
   BMC Psychiatry, 9, 1
   DOI 10.1186/1471-244X-9-1, PubMed 19133132
4. Fjermestad KW, Mowatt Haugland BS, Heiervang E, Ost LG (2009)
   Relationship factors and outcome in child anxiety treatment studies
   Clin Child Psychol Psychiatry, 14 (2), 195-214
   DOI 10.1177/1359104508100885, PubMed 19293319
5. Friis S (2009)
   Psychosis
   Acta Psychiatr Scand, 121 (1), 79; author reply 79-80
   DOI 10.1111/j.1600-0447.2009.01495.x, PubMed 19895622
6. Opjordsmoen S, Melle I, Friis S, Haahr U, Johannessen JO, Larsen TK, Rund BR, Simonsen E, Vaglum P, McGlashan TH (2009)
   Stability of medication in early psychosis: a comparison between second-generation and low-dose first-generation antipsychotics
   Early Interv Psychiatry, 3 (1), 58-65
   DOI 10.1111/j.1751-7893.2008.00103.x, PubMed 21352176
7. Ulberg R, Høglend P, Marble A, Sørbye Ø (2009)
   From submission to autonomy: approaching independent decision making. A single-case study in a randomized, controlled study of long-term effects of dynamic psychotherapy
   Am J Psychother, 63 (3), 227-43
   DOI 10.1176/appi.psychotherapy.2009.63.3.227, PubMed 19845088
8. Vaskinn A, Sundet K, Friis S, Ueland T, Simonsen C, Birkenaes AB, Engh JA, Jónsdóttir H, Opjordsmoen S, Ringen PA, Andreassen OA (2009)
   Using the Wisconsin Card Sorting Test to assess learning potential in normal IQ schizophrenia: does it have potential?
   Nord J Psychiatry, 63 (5), 405-11
   DOI 10.1080/08039480902879941, PubMed 19365785

Publications 2008

1. Birkenaes AB, Birkeland KI, Engh JA, Faerden A, Jonsdottir H, Ringen PA, Friis S, Opjordsmoen S, Andreassen OA (2008)
   Dyslipidemia independent of body mass in antipsychotic-treated patients under real-life conditions
   J Clin Psychopharmacol, 28 (2), 132-7
   DOI 10.1097/JCP.0b013e318166c4f7, PubMed 18344722
2. Bringager CB, Friis S, Arnesen H, Dammen T (2008)
   Nine-year follow-up of panic disorder in chest pain patients: clinical course and predictors of outcome
   Gen Hosp Psychiatry, 30 (2), 138-46
   DOI 10.1016/j.genhosppsych.2007.12.009, PubMed 18291295
3. Bringager CB, Gauer K, Arnesen H, Friis S, Dammen T (2008)
   Nonfearful panic disorder in chest-pain patients: status after nine-year follow-up
   Psychosomatics, 49 (5), 426-37
   DOI 10.1176/appi.psy.49.5.426, PubMed 18794512
4. Dammen T, Ekeberg Ø, Arnesen H, Friis S (2008)
   Health-related quality of life in non-cardiac chest pain patients with and without panic disorder
   Int J Psychiatry Med, 38 (3), 271-86
   DOI 10.2190/PM.38.3.d, PubMed 19069572
5. Høglend P, Bøgwald KP, Amlo S, Marble A, Ulberg R, Sjaastad MC, Sørbye O, Heyerdahl O, Johansson P (2008)
   Transference interpretations in dynamic psychotherapy: do they really yield sustained effects?
   Am J Psychiatry, 165 (6), 763-71
   DOI 10.1176/appi.ajp.2008.07061028, PubMed 18413707
6. Haahr U, Friis S, Larsen TK, Melle I, Johannessen JO, Opjordsmoen S, Simonsen E, Rund BR, Vaglum P, McGlashan T (2008)
   First-episode psychosis: diagnostic stability over one and two years
   Psychopathology, 41 (5), 322-9
   DOI 10.1159/000146070, PubMed 18635935
7. Jónsdóttir H, Engh JA, Friis S, Birkenaes A, Ringen PA, Vaskinn A, Sundet K, Opjordsmoen S, Andreassen OA (2008)
   Measurement of insight in patients with bipolar disorder: are self-rated scales developed for patients with schizophrenia applicable?
   J Nerv Ment Dis, 196 (4), 333-5
   DOI 10.1097/NMD.0b013e31816a62b2, PubMed 18414129
8. Melle I, Larsen TK, Haahr U, Friis S, Johannesen JO, Opjordsmoen S, Rund BR, Simonsen E, Vaglum P, McGlashan T (2008)
   Prevention of negative symptom psychopathologies in first-episode schizophrenia: two-year effects of reducing the duration of untreated psychosis
   Arch Gen Psychiatry, 65 (6), 634-40
   DOI 10.1001/archpsyc.65.6.634, PubMed 18519821
9. Nesset MB, Rossberg JI, Almvik R, Friis S (2008)
   Can a focused staff training programme improve the ward atmosphere and patient satisfaction in a forensic psychiatric hospital? A pilot study
   Scand J Caring Sci, 23 (1), 117-24
   DOI 10.1111/j.1471-6712.2008.00597.x, PubMed 19170956
10. Nesvold H, Friis S, Ormstad K (2008)
    Sexual assault centers: attendance rates, and differences between early and late presenting cases
    Acta Obstet Gynecol Scand, 87 (7), 707-15
    DOI 10.1080/00016340802189847, PubMed 18607821
11. Rossberg JI, Karterud S, Pedersen G, Friis S (2008)
    Specific personality traits evoke different countertransference reactions: an empirical study
    J Nerv Ment Dis, 196 (9), 702-8
    DOI 10.1097/NMD.0b013e318186de80, PubMed 18791432
12. Rossberg JI, Melle I, Opjordsmoen S, Friis S (2008)
    The relationship between staff members' working conditions and patients' perceptions of the treatment environment
    Int J Soc Psychiatry, 54 (5), 437-46
    DOI 10.1177/0020764008090689, PubMed 18786905
13. Simonsen C, Sundet K, Vaskinn A, Birkenaes AB, Engh JA, Hansen CF, Jónsdóttir H, Ringen PA, Opjordsmoen S, Friis S, Andreassen OA (2008)
    Neurocognitive profiles in bipolar I and bipolar II disorder: differences in pattern and magnitude of dysfunction
    Bipolar Disord, 10 (2), 245-55
    DOI 10.1111/j.1399-5618.2007.00492.x, PubMed 18271903
14. Simonsen E, Haahr U, Mortensen EL, Friis S, Johannessen JO, Larsen TK, Melle I, Opjordsmoen S, Rund BR, McGlashan T, Vaglum P (2008)
    Personality disorders in first-episode psychosis
    Personal. Ment. Health, 2 (4), 230-239
    DOI 10.1002/pmh.49
15. Tjersland OA, Gulbrandsen W, Juuhl-Langseth M, Jensen TK, Mossige S, Reichelt S (2008)
    From Betrayal to Support: A Case History of Incest
    J. Fam. Psychother., 19 (3), 242-258
    DOI 10.1080/08975350802269301
16. Vaskinn A, Sundet K, Friis S, Ueland T, Simonsen C, Birkenaes AB, Engh JA, Opjordsmoen S, Andreassen OA (2008)
    Can learning potential in schizophrenia be assessed with the standard CVLT-II? An exploratory study
    Scand J Psychol, 49 (2), 179-86
    DOI 10.1111/j.1467-9450.2008.00627.x, PubMed 18352988

Publications 2007

1. Birkenaes AB, Opjordsmoen S, Brunborg C, Engh JA, Jonsdottir H, Ringen PA, Simonsen C, Vaskinn A, Birkeland KI, Friis S, Sundet K, Andreassen OA (2007)
   The level of cardiovascular risk factors in bipolar disorder equals that of schizophrenia: a comparative study
   J Clin Psychiatry, 68 (6), 917-23
   DOI 10.4088/jcp.v68n0614, PubMed 17592917
2. Bjørngaard JH, Ruud T, Friis S (2007)
   The impact of mental illness on patient satisfaction with the therapeutic relationship: a multilevel analysis
   Soc Psychiatry Psychiatr Epidemiol, 42 (10), 803-9
   DOI 10.1007/s00127-007-0229-5, PubMed 17622476
3. Engh JA, Friis S, Birkenaes AB, Jónsdóttir H, Ringen PA, Ruud T, Sundet KS, Opjordsmoen S, Andreassen OA (2007)
   Measuring cognitive insight in schizophrenia and bipolar disorder: a comparative study
   BMC Psychiatry, 7, 71
   DOI 10.1186/1471-244X-7-71, PubMed 18072961
4. Faerden A, Nesvåg R, Barrett EA, Agartz I, Finset A, Friis S, Rossberg JI, Melle I (2007)
   Assessing apathy: the use of the Apathy Evaluation Scale in first episode psychosis
   Eur Psychiatry, 23 (1), 33-9
   DOI 10.1016/j.eurpsy.2007.09.002, PubMed 18029152
5. Fjell A, Bloch Thorsen GR, Friis S, Johannessen JO, Larsen TK, Lie K, Lyse HG, Melle I, Simonsen E, Smeby NA, Øxnevad AL, McFarlane WR, Vaglum P, McGlashan T (2007)
   Multifamily group treatment in a program for patients with first-episode psychosis: experiences from the TIPS project
   Psychiatr Serv, 58 (2), 171-3
   DOI 10.1176/ps.2007.58.2.171, PubMed 17287370
6. Heiervang E, Stormark KM, Lundervold AJ, Heimann M, Goodman R, Posserud MB, Ullebø AK, Plessen KJ, Bjelland I, Lie SA, Gillberg C (2007)
   Psychiatric disorders in Norwegian 8- to 10-year-olds: an epidemiological survey of prevalence, risk factors, and service use
   J Am Acad Child Adolesc Psychiatry, 46 (4), 438-447
   DOI 10.1097/chi.0b013e31803062bf, PubMed 17420678
7. Joa I, Johannessen JO, Auestad B, Friis S, McGlashan T, Melle I, Opjordsmoen S, Simonsen E, Vaglum P, Larsen TK (2007)
   The key to reducing duration of untreated first psychosis: information campaigns
   Schizophr Bull, 34 (3), 466-72
   DOI 10.1093/schbul/sbm095, PubMed 17905788
8. Joa I, Johannessen JO, Auestad B, Friis S, Opjordsmoen S, Simonsen E, Vaglum P, McGlashan T, Larsen TK (2007)
   Effects on referral patterns of reducing intensive informational campaigns about first-episode psychosis
   Early Interv Psychiatry, 1 (4), 340-5
   DOI 10.1111/j.1751-7893.2007.00047.x, PubMed 21352122
9. Johannessen JO, Friis S, Joa I, Haahr U, Larsen TK, Melle I, Opjordsmoen S, Rund BR, Simonsen E, Vaglum P, McGlashan T (2007)
   First-episode psychosis patients recruited into treatment via early detection teams versus ordinary pathways: course, outcome and health service use during first 2 years
   Early Interv Psychiatry, 1 (1), 40-8
   DOI 10.1111/j.1751-7893.2007.00003.x, PubMed 21352107
10. Larsen TK, Melle I, Friis S, Joa I, Johannessen JO, Opjordsmoen S, Simonsen E, Vaglum P, McGlashan TH (2007)
    One-year effect of changing duration of untreated psychosis in a single catchment area
    Br J Psychiatry Suppl, 51, s128-32
    DOI 10.1192/bjp.191.51.s128, PubMed 18055929
11. Rossberg JI, Karterud S, Pedersen G, Friis S (2007)
    An empirical study of countertransference reactions toward patients with personality disorders
    Compr Psychiatry, 48 (3), 225-30
    DOI 10.1016/j.comppsych.2007.02.002, PubMed 17445515
12. Rund BR, Melle I, Friis S, Johannessen JO, Larsen TK, Midbøe LJ, Opjordsmoen S, Simonsen E, Vaglum P, McGlashan T (2007)
    The course of neurocognitive functioning in first-episode psychosis and its relation to premorbid adjustment, duration of untreated psychosis, and relapse
    Schizophr Res, 91 (1-3), 132-40
    DOI 10.1016/j.schres.2006.11.030, PubMed 17258891

Publications 2006

1. Alvik A, Haldorsen T, Groholt B, Lindemann R (2006)
   Alcohol consumption before and during pregnancy comparing concurrent and retrospective reports
   Alcohol Clin Exp Res, 30 (3), 510-5
   DOI 10.1111/j.1530-0277.2006.00055.x, PubMed 16499492
2. Alvik A, Heyerdahl S, Haldorsen T, Lindemann R (2006)
   Alcohol use before and during pregnancy: a population-based study
   Acta Obstet Gynecol Scand, 85 (11), 1292-8
   DOI 10.1080/00016340600589958, PubMed 17091405
3. Birkenaes AB, Søgaard AJ, Engh JA, Jonsdottir H, Ringen PA, Vaskinn A, Friis S, Sundet K, Opjordsmoen S, Andreassen OA (2006)
   Sociodemographic characteristics and cardiovascular risk factors in patients with severe mental disorders compared with the general population
   J Clin Psychiatry, 67 (3), 425-33
   DOI 10.4088/jcp.v67n0314, PubMed 16649830
4. Dammen T, Bringager CB, Arnesen H, Ekeberg O, Friis S (2006)
   A 1-year follow-up study of chest-pain patients with and without panic disorder
   Gen Hosp Psychiatry, 28 (6), 516-24
   DOI 10.1016/j.genhosppsych.2006.08.005, PubMed 17088168
5. Durand CM, Betancur C, Boeckers TM, Bockmann J, Chaste P, Fauchereau F, Nygren G, Rastam M, Gillberg IC, Anckarsäter H, Sponheim E, Goubran-Botros H, Delorme R, Chabane N, Mouren-Simeoni MC, de Mas P, Bieth E, Rogé B, Héron D, Burglen L, Gillberg C, Leboyer M, Bourgeron T (2006)
   Mutations in the gene encoding the synaptic scaffolding protein SHANK3 are associated with autism spectrum disorders
   Nat Genet, 39 (1), 25-7
   DOI 10.1038/ng1933, PubMed 17173049
6. Hoffart A, Hedley LM, Thornes K, Larsen SM, Friis S (2006)
   Therapists' emotional reactions to patients as a mediator in cognitive behavioural treatment of panic disorder with agoraphobia
   Cogn Behav Ther, 35 (3), 174-82
   DOI 10.1080/16506070600862518, PubMed 16952901
7. Høglend P, Amlo S, Marble A, Bøgwald KP, Sørbye O, Sjaastad MC, Heyerdahl O (2006)
   Analysis of the patient-therapist relationship in dynamic psychotherapy: an experimental study of transference interpretations
   Am J Psychiatry, 163 (10), 1739-46
   DOI 10.1176/ajp.2006.163.10.1739, PubMed 17012684
8. Kristensen H, Oerbeck B (2006)
   Is selective mutism associated with deficits in memory span and visual memory?: An exploratory case-control study
   Depress Anxiety, 23 (2), 71-6
   DOI 10.1002/da.20140, PubMed 16411178
9. Larsen TK, Melle I, Auestad B, Friis S, Haahr U, Johannessen JO, Opjordsmoen S, Rund BR, Simonsen E, Vaglum P, McGlashan T (2006)
   Early detection of first-episode psychosis: the effect on 1-year outcome
   Schizophr Bull, 32 (4), 758-64
   DOI 10.1093/schbul/sbl005, PubMed 16809640
10. Larsen TK, Melle I, Auestad B, Friis S, Haahr U, Johannessen JO, Opjordsmoen S, Rund BR, Simonsen E, Vaglum P, McGlashan TH (2006)
    Substance abuse in first-episode non-affective psychosis
    Schizophr Res, 88 (1-3), 55-62
    DOI 10.1016/j.schres.2006.07.018, PubMed 16971092
11. Melle I, Johannesen JO, Friis S, Haahr U, Joa I, Larsen TK, Opjordsmoen S, Rund BR, Simonsen E, Vaglum P, McGlashan T (2006)
    Early detection of the first episode of schizophrenia and suicidal behavior
    Am J Psychiatry, 163 (5), 800-4
    DOI 10.1176/ajp.2006.163.5.800, PubMed 16648319
12. Sponheim E, Myhre AM, Reichelt KL, Aalen OO (2006)
    [Urine peptide patterns in children with milder types of autism]
    Tidsskr Nor Laegeforen, 126 (11), 1475-7
    PubMed 16732341

Publications 2005

1. Joergensen JV, Oerbeck B, Jebsen P, Heyerdahl S, Kase BF (2005)
   Severe hypothyroidism due to atrophic thyroiditis from second year of life influenced developmental outcome
   Acta Paediatr, 94 (8), 1049-54
   DOI 10.1111/j.1651-2227.2005.tb02044.x, PubMed 16188848
2. Johannessen JO, Larsen TK, Joa I, Melle I, Friis S, Opjordsmoen S, Rund BR, Simonsen E, Vaglum P, McGlashan TH (2005)
   Pathways to care for first-episode psychosis in an early detection healthcare sector: part of the Scandinavian TIPS study
   Br J Psychiatry Suppl, 48, s24-8
   DOI 10.1192/bjp.187.48.s24, PubMed 16055803