Publications from OUS - NevSom - Norwegian Centre of Expertise for Neurodevelopmental Disorders and Hypersomnias

177 publications found

Publications 2025

1. Karlsen K, Munkhaugen EK, Fossum HK, Bakken TL, Kildahl AN (2025)
   Mental Health Services for Adults With Intellectual Disabilities: A Qualitative Study of Patient Characteristics, Associated Factors and Consequent Needs for Adaptation in Assessment and Treatment
   J Appl Res Intellect Disabil, 38 (1), e13315
   DOI 10.1111/jar.13315, PubMed 39448449

Publications 2024

1. Audunsdottir K, Sartorius AM, Kang H, Glaser BD, Boen R, Nærland T, Alaerts K, Kildal ESM, Westlye LT, Andreassen OA, Quintana DS (2024)
   The effects of oxytocin administration on social and routinized behaviors in autism: A preregistered systematic review and meta-analysis
   Psychoneuroendocrinology, 167, 107067
   DOI 10.1016/j.psyneuen.2024.107067, PubMed 38815399
2. Bakken TL, Askeland Hellerud JM, Kildahl AN, Solheim-Inderberg AM, Hove O, Berge Helverschou S (2024)
   Schizophrenia in Autistic People with Intellectual Disabilities. Treatment and Interventions
   J Autism Dev Disord (in press)
   DOI 10.1007/s10803-024-06286-6, PubMed 38393435
3. Bakken TL, Hellerud JMA, Kildahl AN, Solheim-Inderberg AM, Hove O, Helverschou SB (2024)
   Correction To: Schizophrenia in Autistic People with Intellectual Disabilities. Treatment and Interventions
   J Autism Dev Disord, 54 (10), 3973
   DOI 10.1007/s10803-024-06430-2, PubMed 38990373
4. Daae E, Feragen KB, Naerland T, von der Lippe C (2024)
   When care hurts: parents' experiences of caring for a child with epidermolysis bullosa
   Orphanet J Rare Dis, 19 (1), 492
   DOI 10.1186/s13023-024-03502-5, PubMed 39731109
5. Halvorsen MB, Kildahl AN, Kaiser S, Axelsdottir B, Aman MG, Helverschou SB (2024)
   Applicability and Psychometric Properties of General Mental Health Assessment Tools in Autistic People: A Systematic Review
   J Autism Dev Disord (in press)
   DOI 10.1007/s10803-024-06324-3, PubMed 38613595
6. Juvodden HT, Alnæs D, Agartz I, Andreassen OA, Server A, Thorsby PM, Westlye LT, Knudsen-Heier S (2024)
   Cortical thickness and sub-cortical volumes in post-H1N1 narcolepsy type 1: A brain-wide MRI case-control study
   Sleep Med, 116, 81-89
   DOI 10.1016/j.sleep.2024.02.031, PubMed 38432031
7. Kildahl AN, Berggren T, Rønneberg A, Molnes CSY, Nordgarden H (2024)
   A call for trauma-informed dental care for individuals with intellectual disabilities
   Spec Care Dentist, 44 (4), 1126-1134
   DOI 10.1111/scd.12959, PubMed 38192120
8. Langjord T, Pedersen G, Bovim T, Bremer K, Christensen TB, Hove O, Kildahl AN, Mork E, Norheim AB, Ramleth RK, Romm KL, Siqveland J, Schønning T, Stänicke LI, Torgersen T, Pettersen MS, Tveit T, Urnes Ø, Walby FA, Kvarstein EH (2024)
   Evaluation of health services and treatment alliance among extensively hospitalized patients due to severe self-harm - results from the Extreme Challenges project
   Nord J Psychiatry, 78 (7), 591-602
   DOI 10.1080/08039488.2024.2376162, PubMed 39126325
9. Røe AB, Jullumstrø S, Eig KB, Lydersen S, Nærland T, Høyland AL (2024)
   Autism diagnoses in school-age children in southern Trøndelag 2016-2019
   Tidsskr Nor Laegeforen, 144 (15)
   DOI 10.4045/tidsskr.24.0259, PubMed 39692671
10. Szabo A, O'Connell KS, Akkouh IA, Ueland T, Sønderby IE, Hope S, Røe AB, Dønnum MS, Sjaastad I, Steen NE, Ueland T, Sæther LS, Osete JR, Andreassen OA, Nærland T, Djurovic S (2024)
    Elevated levels of peripheral and central nervous system immune markers reflect innate immune dysregulation in autism spectrum disorder
    Psychiatry Res, 342, 116245
    DOI 10.1016/j.psychres.2024.116245, PubMed 39481220

Publications 2023

1. Bakke KA, Helverschou SB, Skrivarhaug T, Houge SD, Stray-Pedersen A (2023)
   Personalised medicine for developmental disorders
   Tidsskr Nor Laegeforen, 143 (13)
   DOI 10.4045/tidsskr.23.0351, PubMed 37753748
2. Bakken TL, Kildahl AN, Ludvigsen LB, Bjørgen TG, Dalhaug C, Hellerud JMA, Hove O, Solheim-Inderberg AM, Karlsen K, Helverschou SB (2023)
   Schizophrenia in autistic people with intellectual disabilities: Symptom manifestations and identification
   J Appl Res Intellect Disabil, 36 (5), 1076-1091
   DOI 10.1111/jar.13127, PubMed 37264713
3. Cockerell I, Christensen J, Hoei-Hansen CE, Holst L, Grenaa Frederiksen M, Issa-Epe AI, Nedregaard B, Solhoff R, Heimdal K, Johannessen Landmark C, Lund C, Nærland T (2023)
   Effectiveness and safety of everolimus treatment in patients with tuberous sclerosis complex in real-world clinical practice
   Orphanet J Rare Dis, 18 (1), 377
   DOI 10.1186/s13023-023-02982-1, PubMed 38042867
4. David LW, Stenberg N, Diseth TH, Helverschou SB, Nyquist CB, Øien RA, Waehre A (2023)
   Autistic Characteristics in a Nationally Representative Clinical Sample of Adolescents Seeking Medical Gender-Affirming Treatment in Norway
   J Autism Dev Disord (in press)
   DOI 10.1007/s10803-023-06181-6, PubMed 38055182
5. Hansen BH, Andresen HN, Gjesvik J, Thorsby PM, Naerland T, Knudsen-Heier S (2023)
   Associations between psychiatric comorbid disorders and executive dysfunctions in hypocretin-1 deficient pediatric narcolepsy type1
   Sleep Med, 109, 149-157
   DOI 10.1016/j.sleep.2023.06.021, PubMed 37442017
6. Hope S, Nærland T, Olav Kolset S, Ueland T, Andreassen OA, Nordstrøm M (2023)
   Systemic immune profile in Prader-Willi syndrome: elevated matrix metalloproteinase and myeloperoxidase and reduced macrophage inhibitory factor
   Orphanet J Rare Dis, 18 (1), 185
   DOI 10.1186/s13023-023-02730-5, PubMed 37430349
7. Hope S, Shadrin AA, Lin A, Bahrami S, Rødevand L, Frei O, Hübenette SJ, Cheng W, Hindley G, Nag H, Ulstein L, Efrim-Budisteanu M, O'Connell K, Dale AM, Djurovic S, Nærland T, Andreassen OA (2023)
   Bidirectional genetic overlap between autism spectrum disorder and cognitive traits
   Transl Psychiatry, 13 (1), 295
   DOI 10.1038/s41398-023-02563-7, PubMed 37709755
8. Jensen SB, Sheikh MA, Akkouh IA, Szabo A, O'Connell KS, Lekva T, Engh JA, Agartz I, Elvsåshagen T, Ormerod MBEG, Weibell MA, Johnsen E, Kroken RA, Melle I, Drange OK, Nærland T, Vaaler AE, Westlye LT, Aukrust P, Djurovic S, Eiel Steen N, Andreassen OA, Ueland T (2023)
   Elevated Systemic Levels of Markers Reflecting Intestinal Barrier Dysfunction and Inflammasome Activation Are Correlated in Severe Mental Illness
   Schizophr Bull, 49 (3), 635-645
   DOI 10.1093/schbul/sbac191, PubMed 36462169
9. Juvodden HT, Alnæs D, Lund MJ, Agartz I, Andreassen OA, Server A, Thorsby PM, Westlye LT, Knudsen Heier S (2023)
   Larger hypothalamic volume in narcolepsy type 1
   Sleep, 46 (11)
   DOI 10.1093/sleep/zsad173, PubMed 37463428
10. Kildahl AN, Helverschou SB (2023)
    Post-traumatic stress disorder and experiences involving violence or sexual abuse in a clinical sample of autistic adults with intellectual disabilities: Prevalence and clinical correlates
    Autism, 28 (5), 1075-1089
    DOI 10.1177/13623613231190948, PubMed 37609889
11. Kildahl AN, Oddli HW, Helverschou SB (2023)
    Bias in assessment of co-occurring mental disorder in individuals with intellectual disabilities: Theoretical perspectives and implications for clinical practice
    J Intellect Disabil, 28 (2), 393-414
    DOI 10.1177/17446295231154119, PubMed 36708367
12. Kildal ESM, Quintana DS, Szabo A, Tronstad C, Andreassen O, Nærland T, Hassel B (2023)
    Heart rate monitoring to detect acute pain in non-verbal patients: a study protocol for a randomized controlled clinical trial
    BMC Psychiatry, 23 (1), 252
    DOI 10.1186/s12888-023-04757-1, PubMed 37060049
13. Langjord T, Pedersen G, Bovim T, Christensen TB, Eikenæs IU, Hove O, Kildahl AN, Mork E, Norheim AB, Ramleth RK, Ringen PA, Romm KL, Siqveland J, Schønning T, Stänicke L, Torgersen T, Pettersen M, Tveit T, Urnes Ø, Walby F, Kvarstein EH (2023)
    Mental health disorders, functioning and health-related quality of life among extensively hospitalized patients due to severe self-harm - results from the Extreme Challenges project
    Front Psychiatry, 14, 1258025
    DOI 10.3389/fpsyt.2023.1258025, PubMed 37920539

Publications 2022

1. Bakke KA (2022)
   Autism or autisms?
   Tidsskr Nor Laegeforen, 142 (5)
   DOI 10.4045/tidsskr.22.0162, PubMed 35324116
2. Bakke KA, Nøstvik LI, Eichele H (2022)
   [New guidelines for Tourette syndrome]
   Tidsskr Nor Laegeforen, 142 (8)
   DOI 10.4045/tidsskr.22.0119, PubMed 35635407
3. Engh JA, Ueland T, Agartz I, Andreou D, Aukrust P, Boye B, Bøen E, Drange OK, Elvsåshagen T, Hope S, Høegh MC, Joa I, Johnsen E, Kroken RA, Lagerberg TV, Lekva T, Malt UF, Melle I, Morken G, Nærland T, Steen VM, Wedervang-Resell K, Weibell MA, Westlye LT, Djurovic S et al. (2022)
   Plasma Levels of the Cytokines B Cell-Activating Factor (BAFF) and A Proliferation-Inducing Ligand (APRIL) in Schizophrenia, Bipolar, and Major Depressive Disorder: A Cross Sectional, Multisite Study
   Schizophr Bull, 48 (1), 37-46
   DOI 10.1093/schbul/sbab106, PubMed 34499169
4. Granerud G, Elvsåshagen T, Arntzen E, Juhasz K, Emilsen NM, Sønderby IE, Nærland T, Malt EA (2022)
   A family study of symbolic learning and synaptic plasticity in autism spectrum disorder
   Front Hum Neurosci, 16, 950922
   DOI 10.3389/fnhum.2022.950922, PubMed 36504626
5. Halvorsen MB, Helverschou SB, Axelsdottir B, Brøndbo PH, Martinussen M (2022)
   General Measurement Tools for Assessing Mental Health Problems Among Children and Adolescents with an Intellectual Disability: A Systematic Review
   J Autism Dev Disord, 53 (1), 132-204
   DOI 10.1007/s10803-021-05419-5, PubMed 35022944
6. Iversen S, Kildahl AN (2022)
   Case Report: Mechanisms in Misdiagnosis of Autism as Borderline Personality Disorder
   Front Psychol, 13, 735205
   DOI 10.3389/fpsyg.2022.735205, PubMed 35185714
7. Johannessen J, Nærland T, Hope S, Torske T, Kaale A, Wirgenes KV, Malt E, Djurovic S, Rietschel M, Andreassen OA (2022)
   Correction to: Attitudes among parents of persons with autism spectrum disorder towards information about genetic risk and future health
   Eur J Hum Genet, 30 (10), 1198
   DOI 10.1038/s41431-021-01021-6, PubMed 34903869
8. Naerland T, Nag HE, Dønnum MS, Høyland AL, Heussler HS (2022)
   New approaches to the study of behavioural phenotypes
   J Intellect Disabil Res, 66 (8-9), 667-668
   DOI 10.1111/jir.12961, PubMed 35981964
9. Reindal L, Nærland T, Sund AM, Glimsdal BA, Andreassen OA, Weidle B (2022)
   The co-occurrence of motor and language impairments in children evaluated for autism spectrum disorder. An explorative study from Norway
   Res Dev Disabil, 127, 104256
   DOI 10.1016/j.ridd.2022.104256, PubMed 35580394
10. Rokicki J, Kaufmann T, de Lange AG, van der Meer D, Bahrami S, Sartorius AM, Haukvik UK, Steen NE, Schwarz E, Stein DJ, Nærland T, Andreassen OA, Westlye LT, Quintana DS (2022)
    Oxytocin receptor expression patterns in the human brain across development
    Neuropsychopharmacology, 47 (8), 1550-1560
    DOI 10.1038/s41386-022-01305-5, PubMed 35347267
11. Speyer R, Sutt AL, Bergström L, Hamdy S, Pommée T, Balaguer M, Kaale A, Cordier R (2022)
    Neurostimulation in People with Oropharyngeal Dysphagia: A Systematic Review and Meta-Analysis of Randomised Controlled Trials-Part II: Brain Neurostimulation
    J Clin Med, 11 (4)
    DOI 10.3390/jcm11040993, PubMed 35207265
12. Torske T, Nærland T, Quintana DS, Hypher RE, Kaale A, Høyland AL, Hope S, Johannessen J, Øie MG, Andreassen OA (2022)
    Sex as a Moderator Between Parent Ratings of Executive Dysfunction and Social Difficulties in Children and Adolescents with Autism Spectrum Disorder
    J Autism Dev Disord, 53 (10), 3847-3859
    DOI 10.1007/s10803-022-05629-5, PubMed 35838825
13. Zacharov O, Huster RJ, Kaale A (2022)
    Working memory in pre-school children with autism spectrum disorder: An eye-tracking study
    Front Psychol, 13, 922291
    DOI 10.3389/fpsyg.2022.922291, PubMed 36275262

Publications 2021

1. 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
2. Bakke KA, Howlin P, Helverschou SB (2021)
   Hyperactive behaviour in Angelman syndrome: the association with sleep problems and age of epilepsy onset
   J Intellect Disabil Res, 65 (7), 666-674
   DOI 10.1111/jir.12842, PubMed 33951249
3. Helverschou SB, Bakken TL, Berge H, Bjorgen TG, Botheim H, Hellerud JA, Helseth I, Hove O, Johansen PA, Kildahl AN, Ludvigsen LB, Nygaard S, Rysstad A, Wigaard E, Howlin P (2021)
   Preliminary Findings From a Nationwide, Multicenter Mental Health Service for Adults and Older Adolescents With Autism Spectrum Disorder and ID
   J. Policy Pract. Intellect. Disabil., 18 (2), 162-173
   DOI 10.1111/jppi.12366
4. Helverschou SB, Ludvigsen LB, Hove O, Kildahl AN (2021)
   Psychometric properties of the Psychopathology in Autism Checklist (PAC)
   Int J Dev Disabil, 67 (5), 318-326
   DOI 10.1080/20473869.2021.1910779, PubMed 34552727
5. Johannessen J, Nærland T, Hope S, Torske T, Kaale A, Wirgenes KV, Malt E, Djurovic S, Rietschel M, Andreassen OA (2021)
   Attitudes among parents of persons with autism spectrum disorder towards information about genetic risk and future health
   Eur J Hum Genet, 30 (10), 1138-1146
   DOI 10.1038/s41431-021-00966-y, PubMed 34776508
6. Kildahl AN, Helverschou SB, Rysstad AL, Wigaard E, Hellerud JM, Ludvigsen LB, Howlin P (2021)
   Pathological demand avoidance in children and adolescents: A systematic review
   Autism, 25 (8), 2162-2176
   DOI 10.1177/13623613211034382, PubMed 34320869
7. Kildahl AN, Jorstad I (2021)
   Post-traumatic stress disorder symptom manifestations in an autistic man with severe intellectual disability following coercion and scalding
   J. Intellect. Dev. Dis.
   DOI 10.3109/13668250.2021.1995930
8. Nag H, Naerland T, Overland K (2021)
   The Importance of School Leadership Support when Working with Students with Smith-Magenis Syndrome - A Q Methodology Study
   Int. J. Disabil. Dev. Educ.
   DOI 10.1080/1034912X.2021.1888893
9. Reindal L, Nærland T, Weidle B, Lydersen S, Andreassen OA, Sund AM (2021)
   Structural and Pragmatic Language Impairments in Children Evaluated for Autism Spectrum Disorder (ASD)
   J Autism Dev Disord, 53 (2), 701-719
   DOI 10.1007/s10803-020-04853-1, PubMed 33515169
10. Solbakken G, Løseth S, Froholdt A, Eikeland TD, Nærland T, Frich JC, Dietrichs E, Ørstavik K (2021)
    Pain in adult myotonic dystrophy type 1: relation to function and gender
    BMC Neurol, 21 (1), 101
    DOI 10.1186/s12883-021-02124-9, PubMed 33663406
11. Sommerstad HS, Kildahl AN, Munkhaugen EK, Karlsen K, Bakken TL (2021)
    Experiences of ward atmosphere in inpatients with intellectual disability and mental illness: clinical implications for mental health nursing
    Int J Dev Disabil, 67 (5), 339-348
    DOI 10.1080/20473869.2021.1900507, PubMed 34552729
12. Szabo A, O'Connell KS, Ueland T, Sheikh MA, Agartz I, Andreou D, Aukrust P, Boye B, Bøen E, Drange OK, Elvsåshagen T, Engh JA, Hope S, Collier Høegh M, Joa I, Johnsen E, Kroken RA, Vik Lagerberg T, Lekva T, Malt UF, Melle I, Morken G, Nærland T, Steen VM, Sørensen K et al. (2021)
    Increased circulating IL-18 levels in severe mental disorders indicate systemic inflammasome activation
    Brain Behav Immun, 99, 299-306
    DOI 10.1016/j.bbi.2021.10.017, PubMed 34758379
13. Viste R, Viken MK, Lie BA, Juvodden HT, Nordstrand SEH, Thorsby PM, Rootwelt T, Kornum BR, Knudsen-Heier S (2021)
    High nocturnal sleep fragmentation is associated with low T lymphocyte P2Y11 protein levels in narcolepsy type 1
    Sleep, 44 (8)
    DOI 10.1093/sleep/zsab062, PubMed 33710305
14. Zacharov O, Huster RJ, Kaale A (2021)
    Investigating Cognitive Flexibility in Preschool Children With Autism Spectrum Disorder
    Front Psychol, 12, 737631
    DOI 10.3389/fpsyg.2021.737631, PubMed 34712184

Publications 2020

1. Hansen BH, Juvodden HT, Nordstrand SH, Viste R, Thorsby PM, Swanson D, Nilsen KB, Nærland T, Knudsen-Heier S (2020)
   High prevalence of ADHD symptoms in unmedicated youths with post-H1N1 narcolepsy type 1
   Sleep Med, 75, 171-180
   DOI 10.1016/j.sleep.2020.06.014, PubMed 32858357
2. Hope S, Naerland T, Høiland AL, Torske T, Malt E, Abrahamsen T, Nerhus M, Wedervang-Resell K, Lonning V, Johannessen J, Steen NE, Agartz I, Stenberg N, Hundhausen T, Mørkrid L, Andreassen OA (2020)
   Higher vitamin B12 levels in neurodevelopmental disorders than in healthy controls and schizophrenia: A comparison among participants between 2 and 53 years
   FASEB J, 34 (6), 8114-8124
   DOI 10.1096/fj.201900855RRR, PubMed 32323402
3. Juvodden HT, Viken MK, Nordstrand SEH, Viste R, Westlye LT, Thorsby PM, Lie BA, Knudsen-Heier S (2020)
   HLA and sleep parameter associations in post-H1N1 narcolepsy type 1 patients and first-degree relatives
   Sleep, 43 (3)
   DOI 10.1093/sleep/zsz239, PubMed 31606740
4. Kildahl AN, Bakken TL, Matre EAW, Hellerud JMA, Engebretsen MH, Helverschou SB (2020)
   Case study: identification of anxiety and subsequent intervention in an adolescent male with autism, severe intellectual disability and self-injurious behaviour
   Int J Dev Disabil, 67 (5), 327-338
   DOI 10.1080/20473869.2020.1850160, PubMed 34552728
5. Kildahl AN, Helverschou SB, Bakken TL, Oddli HW (2020)
   "If we do not look for it, we do not see it": Clinicians' experiences and understanding of identifying post-traumatic stress disorder in adults with autism and intellectual disability
   J Appl Res Intellect Disabil, 33 (5), 1119-1132
   DOI 10.1111/jar.12734, PubMed 32285568
6. Kildahl AN, Helverschou SB, Bakken TL, Oddli HW (2020)
   "Driven and Tense, Stressed Out and Anxious": Clinicians' Perceptions of Post-Traumatic Stress Disorder Symptom Expressions in Adults with Autism and Intellectual Disability
   J. Ment. Health Res. Intellect. Disabil., 13 (3), 201-230
   DOI 10.1080/19315864.2020.1760972
7. Kildahl AN, Helverschou SB, Oddli HW (2020)
   Clinicians' retrospective perceptions of failure to detect sexual abuse in a young man with autism and mild intellectual disability*
   J. Intellect. Dev. Dis., 45 (2), 194-202
   DOI 10.3109/13668250.2019.1680821
8. Kildahl AN, Oddli HW, Helverschou SB (2020)
   Potentially traumatic experiences and behavioural symptoms in adults with autism and intellectual disability referred for psychiatric assessment
   Res Dev Disabil, 107, 103788
   DOI 10.1016/j.ridd.2020.103788, PubMed 33091711
9. Nag H, Overland K, Naerland T (2020)
   School Staff's Experiences and Coping Related to the Challenging Behaviour of Children with Smith-Magenis Syndrome in Schools: A Q Methodological Study
   Int. J. Disabil. Dev. Educ.
   DOI 10.1080/1034912X.2020.1780199
10. Nag HE, Nærland T (2020)
    Age-related changes in behavioural and emotional problems in Smith-Magenis syndrome measured with the Developmental Behavior Checklist
    J Intellect Disabil, 25 (4), 429-440
    DOI 10.1177/1744629519901056, PubMed 31984836
11. Nordstrand SEH, Juvodden HT, Viste R, Rootwelt T, Karlsen TI, Thorsby PM, Swanson D, Nilsen KB, Hansen BH, Knudsen-Heier S (2020)
    Obesity and other medical comorbidities among NT1 patients after the Norwegian H1N1 influenza epidemic and vaccination campaign
    Sleep, 43 (5)
    DOI 10.1093/sleep/zsz277, PubMed 31724727
12. 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
13. Reindal L, Nærland T, Weidle B, Lydersen S, Andreassen OA, Sund AM (2020)
    Age of First Walking and Associations with Symptom Severity in Children with Suspected or Diagnosed Autism Spectrum Disorder
    J Autism Dev Disord, 50 (9), 3216-3232
    DOI 10.1007/s10803-019-04112-y, PubMed 31278523
14. Rysstad AL, Kildahl AN, Skavhaug JO, Dønnum MS, Helverschou SB (2020)
    Case study: organizing outpatient pharmacological treatment of bipolar disorder in autism, intellectual disability and Phelan-McDermid syndrome (22q13.3 deletion syndrome)
    Int J Dev Disabil, 68 (3), 378-387
    DOI 10.1080/20473869.2020.1756113, PubMed 35603006
15. Sánchez Pérez P, Nordahl-Hansen A, Kaale A (2020)
    The Role of Context in Language Development for Children With Autism Spectrum Disorder
    Front Psychol, 11, 563925
    DOI 10.3389/fpsyg.2020.563925, PubMed 33424677

Publications 2019

1. Flores-Garcia L, Lensing MB, Bjerke TN, Kvalnes M, Eisemann M (2019)
   Positive and negative aspects of substance use and treatment goals among substance use disorder patients with and without attention deficit hyperactivity disorder: A qualitative study
   Cogent Psychol., 6 (1), 1682765
   DOI 10.1080/23311908.2019.1682765
2. Flores-García L, Lensing MB, Ytterstad E, Eisemann M (2019)
   Quality of life in substance use disorder patients with and without attention deficit hyperactivity disorder 12 months after treatment: a naturalistic follow-up study
   Atten Defic Hyperact Disord, 11 (3), 299-310
   DOI 10.1007/s12402-019-00297-5, PubMed 30903585
3. Grove J, Ripke S, Als TD, Mattheisen M, Walters RK, Won H, Pallesen J, Agerbo E, Andreassen OA, Anney R, Awashti S, Belliveau R, Bettella F, Buxbaum JD, Bybjerg-Grauholm J, Bækvad-Hansen M, Cerrato F, Chambert K, Christensen JH, Churchhouse C, Dellenvall K, Demontis D, De Rubeis S, Devlin B, Djurovic S et al. (2019)
   Identification of common genetic risk variants for autism spectrum disorder
   Nat Genet, 51 (3), 431-444
   DOI 10.1038/s41588-019-0344-8, PubMed 30804558
4. Helverschou SB, Brunvold AR, Arnevik EA (2019)
   Treating Patients With Co-occurring Autism Spectrum Disorder and Substance Use Disorder: A Clinical Explorative Study
   Subst Abuse, 13, 1178221819843291
   DOI 10.1177/1178221819843291, PubMed 31024216
5. Høyland AL, Nærland T, Engstrøm M, Torske T, Lydersen S, Andreassen OA (2019)
   Atypical event-related potentials revealed during the passive parts of a Go-NoGo task in autism spectrum disorder: a case-control study
   Mol Autism, 10, 10
   DOI 10.1186/s13229-019-0259-3, PubMed 30873274
6. Iversen TE, Horndalsveen K, Matre E, Henriksen TF, Fusche S, Kildahl AN, Bakken TL (2019)
   Inpatient treatment of borderline personality disorder in adults with intellectual disability: reflections on practice
   Adv. Ment. Health Intellet. Disabil., 13 (2), 67-75
   DOI 10.1108/AMHID-03-2018-0008
7. Juvodden HT, Alnæs D, Lund MJ, Dietrichs E, Thorsby PM, Westlye LT, Knudsen S (2019)
   Hypocretin-deficient narcolepsy patients have abnormal brain activation during humor processing
   Sleep, 42 (7)
   DOI 10.1093/sleep/zsz082, PubMed 30923809
8. Kildahl AN, Bakken TL, Iversen TE, Helverschou SB (2019)
   Identification of Post-Traumatic Stress Disorder in Individuals with Autism Spectrum Disorder and Intellectual Disability: A Systematic Review
   J. Ment. Health Res. Intellect. Disabil., 12 (1-2), 1-25
   DOI 10.1080/19315864.2019.1595233
9. Kildahl AN, Engebretsen MH, Helverschou SB (2019)
   Attachment disorder in autism spectrum disorder and intellectual disability
   Adv. Ment. Health Intellet. Disabil., 13 (2), 57-66
   DOI 10.1108/AMHID-09-2018-0039
10. Kildahl AN, Engebretsen MH, Horndalsveen K, Hellerud JMA, Wiik JY, Aasen G, Helverschou SB (2019)
    Psychiatric assessment in congenital blindness, ASD and ID: experience from two clinical cases
    Adv. Ment. Health Intellet. Disabil., 13 (5), 194-203
    DOI 10.1108/AMHID-03-2019-0007
11. Nag HE, Hoxmark LB, Nærland T (2019)
    Parental experiences with behavioural problems in Smith-Magenis syndrome: The need for syndrome-specific competence
    J Intellect Disabil, 23 (3), 359-372
    DOI 10.1177/1744629519847375, PubMed 31046579
12. Nordstrand SEH, Hansen BH, Rootwelt T, Karlsen TI, Swanson D, Nilsen KB, Knudsen S (2019)
    Psychiatric symptoms in patients with post-H1N1 narcolepsy type 1 in Norway
    Sleep, 42 (4)
    DOI 10.1093/sleep/zsz008, PubMed 30649483
13. Pedersen NW, Holm A, Kristensen NP, Bjerregaard AM, Bentzen AK, Marquard AM, Tamhane T, Burgdorf KS, Ullum H, Jennum P, Knudsen S, Hadrup SR, Kornum BR (2019)
    CD8⁺ T cells from patients with narcolepsy and healthy controls recognize hypocretin neuron-specific antigens
    Nat Commun, 10 (1), 837
    DOI 10.1038/s41467-019-08774-1, PubMed 30783092
14. Torske T, Naerland T, Bettella F, Bjella T, Malt E, Høyland AL, Stenberg N, Øie MG, Andreassen OA (2019)
    Autism spectrum disorder polygenic scores are associated with every day executive function in children admitted for clinical assessment
    Autism Res, 13 (2), 207-220
    DOI 10.1002/aur.2207, PubMed 31571410

Publications 2018

1. Bakke KA, Howlin P, Retterstøl L, Kanavin ØJ, Heiberg A, Nærland T (2018)
   Effect of epilepsy on autism symptoms in Angelman syndrome
   Mol Autism, 9, 2
   DOI 10.1186/s13229-017-0185-1, PubMed 29340132
2. Bakke KA, Midtlyng E (2018)
   [Not Available]
   Tidsskr Nor Laegeforen, 138 (6)
   DOI 10.4045/tidsskr.18.0186, PubMed 29557126
3. Bakken TL, Evensen OO, Bjorgen TG, Nilsen IT, Bang N, Pedersen U, Berge K, Ellingsen KE, Baasland T, Helverschou SB (2018)
   Mental health services for adolescents and adults with intellectual disabilities in Norway: a descriptive study
   Adv. Ment. Health Intellet. Disabil., 12 (3-4), 121-134
   DOI 10.1108/AMHID-03-2018-0012
4. Engstrom M, Aarrestad S, Eldoen G, Alme A, Bjorge T, Miljeteig H, Bjorvatn B, Knudsen S, Indrekvam S, Nilsen KB (2018)
   New recommendations for objective examination of sleep and sleep disorders
   Tidsskr. Nor. Laegeforen., 138 (19), 1805-1806
5. 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
6. Juvodden HT, Alnæs D, Lund MJ, Agartz I, Andreassen OA, Dietrichs E, Thorsby PM, Westlye LT, Knudsen S (2018)
   Widespread white matter changes in post-H1N1 patients with narcolepsy type 1 and first-degree relatives
   Sleep, 41 (10)
   DOI 10.1093/sleep/zsy145, PubMed 30016530
7. Kooij JJS, Bijlenga D, Salerno L, Jaeschke R, Bitter I, Balázs J, Thome J, Dom G, Kasper S, Nunes Filipe C, Stes S, Mohr P, Leppämäki S, Casas M, Bobes J, Mccarthy JM, Richarte V, Kjems Philipsen A, Pehlivanidis A, Niemela A, Styr B, Semerci B, Bolea-Alamanac B, Edvinsson D, Baeyens D et al. (2018)
   Updated European Consensus Statement on diagnosis and treatment of adult ADHD
   Eur Psychiatry, 56, 14-34
   DOI 10.1016/j.eurpsy.2018.11.001, PubMed 30453134
8. Larsen K, Aasland A, Diseth TH (2018)
   Brief Report: Agreement Between Parents and Day-Care Professionals on Early Symptoms Associated with Autism Spectrum Disorders
   J Autism Dev Disord, 48 (4), 1063-1068
   DOI 10.1007/s10803-017-3355-2, PubMed 29086212
9. Larsen K, Aasland A, Diseth TH (2018)
   Identification of Symptoms of Autism Spectrum Disorders in the Second Year of Life at Day-Care Centres by Day-Care Staff: Step One in the Development of a Short Observation List
   J Autism Dev Disord, 48 (7), 2267-2277
   DOI 10.1007/s10803-018-3489-x, PubMed 29423606
10. Nag HE, Nordgren A, Anderlid BM, Nærland T (2018)
    Reversed gender ratio of autism spectrum disorder in Smith-Magenis syndrome
    Mol Autism, 9, 1
    DOI 10.1186/s13229-017-0184-2, PubMed 29321841
11. Nordstrand SH, Hansen BH, Kamaleri Y, Nilsen KB, Rootwelt T, Karlsen TI, Knudsen S (2018)
    Changes in quality of life in individuals with narcolepsy type 1 after the H1N1-influenza epidemic and vaccination campaign in Norway: a two-year prospective cohort study
    Sleep Med, 50, 175-180
    DOI 10.1016/j.sleep.2018.05.037, PubMed 30075393
12. Ogrim G, Lensing MB, Fredriksen M (2018)
    Weak scientific basis for criticism of AD/HD medication
    Tidsskr. Nor. Laegeforen., 138 (6), 516-517
13. Tillmann J, Ashwood K, Absoud M, Bölte S, Bonnet-Brilhault F, Buitelaar JK, Calderoni S, Calvo R, Canal-Bedia R, Canitano R, De Bildt A, Gomot M, Hoekstra PJ, Kaale A, McConachie H, Murphy DG, Narzisi A, Oosterling I, Pejovic-Milovancevic M, Persico AM, Puig O, Roeyers H, Rommelse N, Sacco R, Scandurra V et al. (2018)
    Evaluating Sex and Age Differences in ADI-R and ADOS Scores in a Large European Multi-site Sample of Individuals with Autism Spectrum Disorder
    J Autism Dev Disord, 48 (7), 2490-2505
    DOI 10.1007/s10803-018-3510-4, PubMed 29468576
14. Torske T, Nærland T, Øie MG, Stenberg N, Andreassen OA (2018)
    Metacognitive Aspects of Executive Function Are Highly Associated with Social Functioning on Parent-Rated Measures in Children with Autism Spectrum Disorder
    Front Behav Neurosci, 11, 258
    DOI 10.3389/fnbeh.2017.00258, PubMed 29375332

Publications 2017

1. Engebretsen MH, Kildahl AN, Hoy IH, Bakken TL (2017)
   Metyrosine treatment in a woman with chromosome 22q11.2 deletion syndrome and psychosis: a case study
   Int J Dev Disabil, 65 (2), 116-121
   DOI 10.1080/20473869.2017.1401257, PubMed 34141331
2. Helverschou SB, Steindal K, Nøttestad JA, Howlin P (2017)
   Personal experiences of the Criminal Justice System by individuals with autism spectrum disorders
   Autism, 22 (4), 460-468
   DOI 10.1177/1362361316685554, PubMed 28325062
3. Høyland AL, Nærland T, Engstrøm M, Lydersen S, Andreassen OA (2017)
   The relation between face-emotion recognition and social function in adolescents with autism spectrum disorders: A case control study
   PLoS One, 12 (10), e0186124
   DOI 10.1371/journal.pone.0186124, PubMed 29020059
4. Høyland AL, Øgrim G, Lydersen S, Hope S, Engstrøm M, Torske T, Nærland T, Andreassen OA (2017)
   Event-Related Potentials in a Cued Go-NoGo Task Associated with Executive Functions in Adolescents with Autism Spectrum Disorder; A Case-Control Study
   Front Neurosci, 11, 393
   DOI 10.3389/fnins.2017.00393, PubMed 28744191
5. Johannessen J, Nærland T, Hope S, Torske T, Høyland AL, Strohmaier J, Heiberg A, Rietschel M, Djurovic S, Andreassen OA (2017)
   Parents' Attitudes toward Clinical Genetic Testing for Autism Spectrum Disorder-Data from a Norwegian Sample
   Int J Mol Sci, 18 (5)
   DOI 10.3390/ijms18051078, PubMed 28524073
6. Kildahl AN, Bakken TL, Holm OK, Helverschou SB (2017)
   Assessment of psychosis in ASD/ID: a case study
   Adv. Ment. Health Intellet. Disabil., 11 (1), 17-23
   DOI 10.1108/AMHID-11-2016-0036
7. Kornum BR, Burgdorf KS, Holm A, Ullum H, Jennum P, Knudsen S (2017)
   Absence of autoreactive CD4⁺ T-cells targeting HLA-DQA1*01:02/DQB1*06:02 restricted hypocretin/orexin epitopes in narcolepsy type 1 when detected by EliSpot
   J Neuroimmunol, 309, 7-11
   DOI 10.1016/j.jneuroim.2017.05.001, PubMed 28601291
8. Kornum BR, Knudsen S, Ollila HM, Pizza F, Jennum PJ, Dauvilliers Y, Overeem S (2017)
   Narcolepsy
   Nat Rev Dis Primers, 3, 16100
   DOI 10.1038/nrdp.2016.100, PubMed 28179647
9. Munkhaugen EK, Torske T, Gjevik E, Nærland T, Pripp AH, Diseth TH (2017)
   Individual characteristics of students with autism spectrum disorders and school refusal behavior
   Autism, 23 (2), 413-423
   DOI 10.1177/1362361317748619, PubMed 29241346
10. Quintana DS, Westlye LT, Hope S, Nærland T, Elvsåshagen T, Dørum E, Rustan Ø, Valstad M, Rezvaya L, Lishaugen H, Stensønes E, Yaqub S, Smerud KT, Mahmoud RA, Djupesland PG, Andreassen OA (2017)
    Dose-dependent social-cognitive effects of intranasal oxytocin delivered with novel Breath Powered device in adults with autism spectrum disorder: a randomized placebo-controlled double-blind crossover trial
    Transl Psychiatry, 7 (5), e1136
    DOI 10.1038/tp.2017.103, PubMed 28534875
11. Romhus S, Herder GA, Grindheim E, Schjolberg S, Howlin P (2017)
    Changes in the frequency and characteristics of children diagnosed with autistic disorder in two Norwegian cohorts: 1992 and 2009
    Scand. J. Child Adolesc. Psychiatr. Psychol., 5 (1), 3-12
    DOI 10.21307/sjcapp-2017-001
12. Schrölkamp M, Jennum PJ, Gammeltoft S, Holm A, Kornum BR, Knudsen S (2017)
    Normal Morning Melanin-Concentrating Hormone Levels and No Association with Rapid Eye Movement or Non-Rapid Eye Movement Sleep Parameters in Narcolepsy Type 1 and Type 2
    J Clin Sleep Med, 13 (2), 235-243
    DOI 10.5664/jcsm.6454, PubMed 27855741
13. Viste R, Soosai J, Vikin T, Thorsby PM, Nilsen KB, Knudsen S (2017)
    Long-term improvement after combined immunomodulation in early post-H1N1 vaccination narcolepsy
    Neurol Neuroimmunol Neuroinflamm, 4 (5), e389
    DOI 10.1212/NXI.0000000000000389, PubMed 28840177

Publications 2016

1. Arnevik EA, Helverschou SB (2016)
   Autism Spectrum Disorder and Co-occurring Substance Use Disorder - A Systematic Review
   Subst Abuse, 10, 69-75
   DOI 10.4137/SART.S39921, PubMed 27559296
2. Flores-García L, Ytterstad E, Lensing MB, Eisemann M (2016)
   Exploring Personality and Readiness to Change in Patients With Substance Use Disorders With and Without ADHD
   J Atten Disord, 24 (9), 1255-1265
   DOI 10.1177/1087054716677819, PubMed 27866153
3. Jennum PJ, Kornum BR, Issa NM, Gammeltoft S, Tommerup N, Morling N, Tümer Z, Knudsen S (2016)
   Monozygotic twins discordant for narcolepsy type 1 and multiple sclerosis
   Neurol Neuroimmunol Neuroinflamm, 3 (4), e249
   DOI 10.1212/NXI.0000000000000249, PubMed 27354986
4. Johannessen J, Nærland T, Bloss C, Rietschel M, Strohmaier J, Gjevik E, Heiberg A, Djurovic S, Andreassen OA (2016)
   Parents' attitudes toward genetic research in autism spectrum disorder
   Psychiatr Genet, 26 (2), 74-80
   DOI 10.1097/YPG.0000000000000121, PubMed 26867185
5. Kalandadze T, Norbury C, Nærland T, Næss KB (2016)
   Figurative language comprehension in individuals with autism spectrum disorder: A meta-analytic review
   Autism, 22 (2), 99-117
   DOI 10.1177/1362361316668652, PubMed 27899711
6. Naerland T, Bakke KA, Storvik S, Warner G, Howlin P (2016)
   Age and gender-related differences in emotional and behavioural problems and autistic features in children and adolescents with Down syndrome: a survey-based study of 674 individuals
   J Intellect Disabil Res, 61 (6), 594-603
   DOI 10.1111/jir.12342, PubMed 27862512
7. Solbakken G, Ørstavik K, Hagen T, Dietrichs E, Naerland T (2016)
   Major involvement of trunk muscles in myotonic dystrophy type 1
   Acta Neurol Scand, 134 (6), 467-473
   DOI 10.1111/ane.12565, PubMed 26984572
8. Torgersen T, Gjervan B, Lensing MB, Rasmussen K (2016)
   Optimal management of ADHD in older adults
   Neuropsychiatr Dis Treat, 12, 79-87
   DOI 10.2147/NDT.S59271, PubMed 26811680

Publications 2015

1. Helverschou SB, Rasmussen K, Steindal K, Søndanaa E, Nilsson B, Nøttestad JA (2015)
   Offending profiles of individuals with autism spectrum disorder: A study of all individuals with autism spectrum disorder examined by the forensic psychiatric service in Norway between 2000 and 2010
   Autism, 19 (7), 850-8
   DOI 10.1177/1362361315584571, PubMed 25976157
2. Kornum BR, Pizza F, Knudsen S, Plazzi G, Jennum P, Mignot E (2015)
   Cerebrospinal fluid cytokine levels in type 1 narcolepsy patients very close to onset
   Brain Behav Immun, 49, 54-8
   DOI 10.1016/j.bbi.2015.03.004, PubMed 25771509
3. Larsen K (2015)
   The Early Diagnosis of Preschool Children with Autism Spectrum Disorder in Norway: a Study of Diagnostic Age and Its Associated Factors
   Scand. J. Child Adolesc. Psychiatr. Psychol., 3 (2), 136-145
   DOI 10.21307/sjcapp-2015-014
4. Ollila HM, Ravel JM, Han F, Faraco J, Lin L, Zheng X, Plazzi G, Dauvilliers Y, Pizza F, Hong SC, Jennum P, Knudsen S, Kornum BR, Dong XS, Yan H, Hong H, Coquillard C, Mahlios J, Jolanki O, Einen M, Arnulf I, Högl B, Frauscher B, Crowe C, Partinen M et al. (2015)
   HLA-DPB1 and HLA class I confer risk of and protection from narcolepsy
   Am J Hum Genet, 96 (1), 136-46
   DOI 10.1016/j.ajhg.2014.12.010, PubMed 25574827

Publications 2014

1. Bakken TL, Gjersoe V, Matre E, Kristiansen T, Ro A, Tveter AL, Hoeidal SH, Kildahl AN (2014)
   PTSD in adults with intellectual disabilities: stabilisation during inpatient stay
   Adv. Ment. Health Intellet. Disabil., 8 (4), 237-247
   DOI 10.1108/AMHID-10-2013-0061
2. Barloese M, Jennum P, Lund N, Knudsen S, Gammeltoft S, Jensen R (2014)
   Reduced CSF hypocretin-1 levels are associated with cluster headache
   Cephalalgia, 35 (10), 869-76
   DOI 10.1177/0333102414562971, PubMed 25492975
3. Han F, Lin L, Schormair B, Pizza F, Plazzi G, Ollila HM, Nevsimalova S, Jennum P, Knudsen S, Winkelmann J, Coquillard C, Babrzadeh F, Strom TM, Wang C, Mindrinos M, Fernandez Vina M, Mignot E (2014)
   HLA DQB1*06:02 negative narcolepsy with hypocretin/orexin deficiency
   Sleep, 37 (10), 1601-8
   DOI 10.5665/sleep.4066, PubMed 25197808
4. Holm A, Bang-Berthelsen CH, Knudsen S, Kornum BR, Modvig S, Jennum P, Gammeltoft S (2014)
   miRNA profiles in plasma from patients with sleep disorders reveal dysregulation of miRNAs in narcolepsy and other central hypersomnias
   Sleep, 37 (9), 1525-33
   DOI 10.5665/sleep.4004, PubMed 25142559
5. Holm A, Bang-Berthelsen CH, Knudsen S, Modvig S, Kornum BR, Gammeltoft S, Jennum PJ (2014)
   MiRNA profiles in cerebrospinal fluid from patients with central hypersomnias
   J Neurol Sci, 347 (1-2), 199-204
   DOI 10.1016/j.jns.2014.09.047, PubMed 25451005
6. Jensen JB, Sorensen HB, Kempfner J, Sørensen GL, Knudsen S, Jennum P (2014)
   Sleep-wake transition in narcolepsy and healthy controls using a support vector machine
   J Clin Neurophysiol, 31 (5), 397-401
   DOI 10.1097/WNP.0000000000000074, PubMed 25271675
7. 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
8. Søndenaa E, Helverschou SB, Steindal K, Rasmussen K, Nilson B, Nøttestad JA (2014)
   Violence and sexual offending behavior in people with autism spectrum disorder who have undergone a psychiatric forensic examination
   Psychol Rep, 115 (1), 32-43
   DOI 10.2466/16.15.PR0.115c16z5, PubMed 25073065
9. Aasen G, Naerland T (2014)
   Observing the use of tactile schedules
   J Intellect Disabil, 18 (4), 315-36
   DOI 10.1177/1744629514544073, PubMed 25061073
10. Aasen G, Nærland T (2014)
    Enhancing activity by means of tactile symbols: a study of a heterogeneous group of pupils with congenital blindness, intellectual disability and autism spectrum disorder
    J Intellect Disabil, 18 (1), 61-75
    DOI 10.1177/1744629514522142, PubMed 24591428

Publications 2013

1. Heier MS, Gautvik KM, Wannag E, Bronder KH, Midtlyng E, Kamaleri Y, Storsaeter J (2013)
   Incidence of narcolepsy in Norwegian children and adolescents after vaccination against H1N1 influenza A
   Sleep Med, 14 (9), 867-71
   DOI 10.1016/j.sleep.2013.03.020, PubMed 23773727
2. Heier MS, Gjerstad MD, Knudsen S (2013)
   [New knowledge about narcolepsy in children]
   Tidsskr Nor Laegeforen, 133 (12-13), 1326-8
   DOI 10.4045/tidsskr.13.0414, PubMed 23817265
3. Jennum P, Ibsen R, Knudsen S, Kjellberg J (2013)
   Comorbidity and mortality of narcolepsy: a controlled retro- and prospective national study
   Sleep, 36 (6), 835-40
   DOI 10.5665/sleep.2706, PubMed 23729926
4. Klein AB, Jennum P, Knudsen S, Gammeltoft S, Mikkelsen JD (2013)
   Increased serum brain-derived neurotrophic factor (BDNF) levels in patients with narcolepsy
   Neurosci Lett, 544, 31-5
   DOI 10.1016/j.neulet.2013.03.031, PubMed 23570723
5. Kornum BR, Knudsen S, Gammeltoft S, Jennum P (2013)
   [The association between narcolepsy and H1N1 influenza]
   Ugeskr Laeger, 175 (12), 815
   PubMed 23582821
6. 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
7. 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
8. 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
9. Luca G, Haba-Rubio J, Dauvilliers Y, Lammers GJ, Overeem S, Donjacour CE, Mayer G, Javidi S, Iranzo A, Santamaria J, Peraita-Adrados R, Hor H, Kutalik Z, Plazzi G, Poli F, Pizza F, Arnulf I, Lecendreux M, Bassetti C, Mathis J, Heinzer R, Jennum P, Knudsen S, Geisler P, Wierzbicka A et al. (2013)
   Clinical, polysomnographic and genome-wide association analyses of narcolepsy with cataplexy: a European Narcolepsy Network study
   J Sleep Res, 22 (5), 482-95
   DOI 10.1111/jsr.12044, PubMed 23496005
10. Savvidou A, Knudsen S, Olsson-Engman M, Gammeltoft S, Jennum P, Palm L (2013)
    Hypocretin deficiency develops during onset of human narcolepsy with cataplexy
    Sleep, 36 (1), 147-8
    DOI 10.5665/sleep.2320, PubMed 23288981
11. Sorensen GL, Knudsen S, Jennum P (2013)
    Sleep transitions in hypocretin-deficient narcolepsy
    Sleep, 36 (8), 1173-7
    DOI 10.5665/sleep.2880, PubMed 23904677
12. Sorensen GL, Knudsen S, Petersen ER, Kempfner J, Gammeltoft S, Sorensen HB, Jennum P (2013)
    Attenuated heart rate response is associated with hypocretin deficiency in patients with narcolepsy
    Sleep, 36 (1), 91-8
    DOI 10.5665/sleep.2308, PubMed 23288975

Publications 2012

1. Andlauer O, Moore H, Hong SC, Dauvilliers Y, Kanbayashi T, Nishino S, Han F, Silber MH, Rico T, Einen M, Kornum BR, Jennum P, Knudsen S, Nevsimalova S, Poli F, Plazzi G, Mignot E (2012)
   Predictors of hypocretin (orexin) deficiency in narcolepsy without cataplexy
   Sleep, 35 (9), 1247-55F
   DOI 10.5665/sleep.2080, PubMed 22942503
2. Jennum P, Ibsen R, Petersen ER, Knudsen S, Kjellberg J (2012)
   Health, social, and economic consequences of narcolepsy: a controlled national study evaluating the societal effect on patients and their partners
   Sleep Med, 13 (8), 1086-93
   DOI 10.1016/j.sleep.2012.06.006, PubMed 22841027
3. 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

Publications 2011

1. Bilenberg N, Gillberg C, Houmann T, Kadesjø B, Lensing MB, Plessen KJ, Strand G, Thomsen PH, Worning A (2011)
   Prescription rates of ADHD medication in the Scandinavian countries and their national guidelines
   Nord J Psychiatry, 66 (1), 70-1
   DOI 10.3109/08039488.2011.593102, PubMed 21958313
2. Helverschou SB, Martinsen H (2011)
   Anxiety in people diagnosed with autism and intellectual disability: Recognition and phenomenology
   Res. Autism Spectr. Disord., 5 (1), 377-387
   DOI 10.1016/j.rasd.2010.05.003
3. Naerland T (2011)
   Language competence and social focus among preschool children
   Early Child Dev. Care, 181 (5), 599-612
   DOI 10.1080/03004431003665780
4. Naerland T (2011)
   Evaluating dialogue competence in naturally occurring child-child interactions
   Early Child Dev. Care, 181 (5), 691-705
   DOI 10.1080/03004430.2010.483112
5. Naerland T, Martinsen H (2011)
   Child-child interactions and positive social focus among preschool children
   Early Child Dev. Care, 181 (3), 361-370
   DOI 10.1080/03004430903387701
6. Roessner V, Plessen KJ, Rothenberger A, Ludolph AG, Rizzo R, Skov L, Strand G, Stern JS, Termine C, Hoekstra PJ, ESSTS Guidelines Group (2011)
   European clinical guidelines for Tourette syndrome and other tic disorders. Part II: pharmacological treatment
   Eur Child Adolesc Psychiatry, 20 (4), 173-96
   DOI 10.1007/s00787-011-0163-7, PubMed 21445724
7. 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

Publications 2010

1. Bakken TL, Helverschou SB, Eilertsen DE, Heggelund T, Myrbakk E, Martinsen H (2010)
   Psychiatric disorders in adolescents and adults with autism and intellectual disability: a representative study in one county in Norway
   Res Dev Disabil, 31 (6), 1669-77
   DOI 10.1016/j.ridd.2010.04.009, PubMed 20493660
2. Hor H, Kutalik Z, Dauvilliers Y, Valsesia A, Lammers GJ, Donjacour CE, Iranzo A, Santamaria J, Peraita Adrados R, Vicario JL, Overeem S, Arnulf I, Theodorou I, Jennum P, Knudsen S, Bassetti C, Mathis J, Lecendreux M, Mayer G, Geisler P, Benetó A, Petit B, Pfister C, Bürki JV, Didelot G et al. (2010)
   Genome-wide association study identifies new HLA class II haplotypes strongly protective against narcolepsy
   Nat Genet, 42 (9), 786-9
   DOI 10.1038/ng.647, PubMed 20711174
3. Kawashima M, Lin L, Tanaka S, Jennum P, Knudsen S, Nevsimalova S, Plazzi G, Mignot E (2010)
   Anti-Tribbles homolog 2 (TRIB2) autoantibodies in narcolepsy are associated with recent onset of cataplexy
   Sleep, 33 (7), 869-74
   DOI 10.1093/sleep/33.7.869, PubMed 20614846
4. Martinsen H, Naerland T, Vereijken B (2010)
   Observation-based descriptions of social status in the pre-school
   Early Child Dev. Care, 180 (9), 1231-1241
   DOI 10.1080/03004430902943975
5. Wannag E, Eriksson AS, Larsson PG (2010)
   Attention-deficit hyperactivity disorder and nocturnal epileptiform activity in children with epilepsy admitted to a national epilepsy center
   Epilepsy Behav, 18 (4), 445-9
   DOI 10.1016/j.yebeh.2010.05.013, PubMed 20598646

Publications 2009

1. Helverschou SB, Bakken TL, Martinsen H (2009)
   The Psychopathology in Autism Checklist (PAC): A pilot study
   Res. Autism Spectr. Disord., 3 (1), 179-195
   DOI 10.1016/j.rasd.2008.05.004
2. Jennum P, Knudsen S, Kjellberg J (2009)
   The economic consequences of narcolepsy
   J Clin Sleep Med, 5 (3), 240-5
   PubMed 19960645

Publications 2008

1. Midtlyng E (2008)
   [Boys with ADHD don't get enough help]
   Tidsskr Nor Laegeforen, 128 (8), 944-5
   PubMed 18431421

Publications 2006

1. Ervik S, Abdelnoor M, Heier MS, Ramberg M, Strand G (2006)
   Health-related quality of life in narcolepsy
   Acta Neurol Scand, 114 (3), 198-204
   DOI 10.1111/j.1600-0404.2006.00594.x, PubMed 16911349
2. Nielsen K, Rostrup E, Frederiksen JL, Knudsen S, Mathiesen HK, Hanson LG, Paulson OB (2006)
   Magnetic resonance imaging at 3.0 tesla detects more lesions in acute optic neuritis than at 1.5 tesla
   Invest Radiol, 41 (2), 76-82
   DOI 10.1097/01.rli.0000188364.76251.28, PubMed 16428976

Publications 2005

1. Von Tetzchner S, Brekke KM, Sjothun B, Grindheim E (2005)
   Constructing preschool communities of learners that afford alternative language development
   Augment. Altern. Commun., 21 (2), 82-100
   DOI 10.1080/07434610500103541

Publications 2004

1. Kadesjö B, Janols LO, Korkman M, Mickelsson K, Strand G, Trillingsgaard A, Gillberg C (2004)
   The FTF (Five to Fifteen): the development of a parent questionnaire for the assessment of ADHD and comorbid conditions
   Eur Child Adolesc Psychiatry, 13 Suppl 3, 3-13
   DOI 10.1007/s00787-004-3002-2, PubMed 15692877

Publications 2002

1. Sponheim E, Oftedal G, Helverschou SB (2002)
   Multiple doses of secretin in the treatment of autism: a controlled study
   Acta Paediatr, 91 (5), 540-5
   DOI 10.1080/080352502753711669, PubMed 12113323

Publications 1999

1. Zeiner P, Bryhn G, Bjercke C, Truyen K, Strand G (1999)
   Response to methylphenidate in boys with attention-deficit hyperactivity disorder
   Acta Paediatr, 88 (3), 298-303
   DOI 10.1080/08035259950170060, PubMed 10229041
2. Aanonsen NO, Lensing MB, Mathiesen T (1999)
   [Central nervous system stimulants in AD/HD in adults]
   Tidsskr Nor Laegeforen, 119 (1), 82-3
   PubMed 10025211

Publications 1997

1. Kolanowski AM, Strand G, Whall A (1997)
   A pilot study of the relation of premorbid characteristics to behavior in dementia
   J Gerontol Nurs, 23 (2), 21-30
   DOI 10.3928/0098-9134-19970201-08, PubMed 9086978
2. Njølstad PR, Skjeldal OH, Agsteribbe E, Huckriede A, Wannag E, Søvik O, Waaler PE (1997)
   Medium chain acyl-CoA dehydrogenase deficiency and fatal valproate toxicity
   Pediatr Neurol, 16 (2), 160-2
   DOI 10.1016/s0887-8994(96)00318-9, PubMed 9090694
3. Thoresen M, Henriksen O, Wannag E, Laegreid L (1997)
   Does a sedative dose of chloral hydrate modify the EEG of children with epilepsy?
   Electroencephalogr Clin Neurophysiol, 102 (2), 152-7
   DOI 10.1016/s0921-884x(96)96509-1, PubMed 9060867

Publications 1994

1. Lindback T, Strand G (1994)
   [Tourette syndrome in children. An analysis of everyday problems--neurology or emotional conflicts?]
   Tidsskr Nor Laegeforen, 114 (19), 2248-51
   PubMed 7992289

Publications 1987

1. Wannag E, Munthe-Kaas AW (1987)
   [The HHE syndrome: hemiconvulsions, hemiplegia and epilepsy in children]
   Tidsskr Nor Laegeforen, 107 (27), 2315-7
   PubMed 3445238

Publications 1981

1. Brune D, Beltesbrekke H, Strand G (1981)
   [Dust in dental laboratories (II). Measurements of particle size-distribution]
   Dent Labor (Munch), 29 (1), 61-4
   PubMed 6939614
2. SIMENSEN CJ, STRAND G (1981)
   ANALYSIS OF INCLUSIONS IN ALUMINUM BY DISSOLUTION OF THE SAMPLES IN HYDROCHLORIC NITRIC-ACID
   FRESEN Z ANAL CHEM, 308 (1), 11-16
   DOI 10.1007/BF00487826

Publications 1980

1. Brune D, Beltesbrekke H, Strand G (1980)
   Dust in dental laboratories. Part II: Measurement of particle size distributions
   J Prosthet Dent, 44 (1), 82-7
   DOI 10.1016/0022-3913(80)90053-0, PubMed 6929928

Publications 1979

1. Koch G, Strand G (1979)
   Effect of an enzyme dentifrice on caries. A two-year clinical pilot study
   Swed Dent J, 3 (1), 9-13
   PubMed 373155

Publications 1975

1. Hassner A, Strand G, Rubenstein M, Patchornik A (1975)
   Letter: Levulinic esters. An alcohol protecting group applicable to some nucleosides
   J Am Chem Soc, 97 (6), 1614-5
   DOI 10.1021/ja00839a077, PubMed 1133397

Publications 1974

1. Doran PC, Strand G, Meader J (1974)
   A state health education resource center
   Sch Health Rev, 5 (4), 9-13
   PubMed 4135988