Publications by Jan Ivar Røssberg

130 publications found

1. Baklund L, Røssberg JI, Melbye SA, Møller P (2024)
   Basic self-disturbance in adolescents at risk of psychosis: temporal stability investigated by the experience sampling method in a mixed method study
   BMJ Ment Health, 27 (1)
   DOI 10.1136/bmjment-2024-301209, PubMed 39486806
2. Norheim I, Pedersen R, Selle ML, Røssberg JI, Hestmark L, Heiervang KS, Ruud T, Åsholt VM, Hansson KM, Møller P, Fosse R, Romøren M (2024)
   Implementation of guidelines on Family Involvement for persons with Psychotic disorders: a pragmatic cluster randomized trial. Effect on relatives' outcomes and family interventions received
   Front Psychiatry, 15, 1381007
   DOI 10.3389/fpsyt.2024.1381007, PubMed 38855639
3. Malkomsen A, Røssberg JI, Dammen T, Wilberg T, Løvgren A, Ulberg R, Evensen J (2024)
   "It takes time to see the whole picture": patients' views on improvement in cognitive behavioral therapy and psychodynamic therapy after three years
   Front Psychiatry, 15, 1342950
   DOI 10.3389/fpsyt.2024.1342950, PubMed 38559399
4. Igland J, Forster R, Jenum AK, Strandberg RB, Berg TJ, Røssberg JI, Iversen MM, Buhl ES (2024)
   How valid is a prescription-based multimorbidity index (Rx-risk) in predicting mortality in the Outcomes and Multimorbidity In Type 2 diabetes (OMIT) study? A nation-wide registry-based cohort study from Norway
   BMJ Open, 14 (3), e077027
   DOI 10.1136/bmjopen-2023-077027, PubMed 38548358
5. Zhu Y, Maikusa N, Radua J, Sämann PG, Fusar-Poli P, Agartz I, Andreassen OA, Bachman P, Baeza I, Chen X, Choi S, Corcoran CM, Ebdrup BH, Fortea A, Garani RR, Glenthøj BY, Glenthøj LB, Haas SS, Hamilton HK, Hayes RA, He Y, Heekeren K, Kasai K, Katagiri N, Kim M et al. (2024)
   Using brain structural neuroimaging measures to predict psychosis onset for individuals at clinical high-risk
   Mol Psychiatry, 29 (5), 1465-1477
   DOI 10.1038/s41380-024-02426-7, PubMed 38332374
6. Protić S, Wittmann L, Taubner S, Conejo-Cerón S, Ioannou Y, Heinonen E, Saliba A, Moreno-Peral P, Volkert J, Barkauskiene R, Julia Schmidt S, Rangel Santos Henriques MI, Pinheiro Mota C, Sales CMD, Røssberg JI, Adler A, Giacomo DD, Mucha Vieira F, Drndarević N, Ulberg R, Stepisnik Perdih T, Mestre JM (2024)
   Mediators of Outcome in Trauma-Focused Psychotherapy with Youth: A Systematic Review
   Trauma Violence Abuse, 25 (4), 2672-2688
   DOI 10.1177/15248380231223264, PubMed 38281152
7. Øvstebø RB, Pedersen G, Wilberg T, Røssberg JI, Dahl HSJ, Kvarstein EH (2023)
   Countertransference in the treatment of patients with personality disorders: A longitudinal study
   Psychother Res, 34 (8), 1051-1065
   DOI 10.1080/10503307.2023.2279645, PubMed 37963354
8. ENIGMA Clinical High Risk for Psychosis Working Group, Haas SS, Ge R, Agartz I, Amminger GP, Andreassen OA, Bachman P, Baeza I, Choi S, Colibazzi T, Cropley VL, de la Fuente-Sandoval C, Ebdrup BH, Fortea A, Fusar-Poli P, Glenthøj BY, Glenthøj LB, Haut KM, Hayes RA, Heekeren K, Hooker CI, Hwang WJ, Jahanshad N, Kaess M, Kasai K et al. (2024)
   Normative Modeling of Brain Morphometry in Clinical High Risk for Psychosis
   JAMA Psychiatry, 81 (1), 77-88
   DOI 10.1001/jamapsychiatry.2023.3850, PubMed 37819650
9. Landrø NI, Harmer CJ, Blackwell SE, Bø R, Dawson G, Goodwin G, Hagen HS, Kingslake J, Klovning A, Klungsøyr O, Schjøtt-Pedersen O, Sæther AK, Torgersen KS, Vaaler A, Andreassen OA, Røssberg JI (2023)
   Combining antidepressants and attention bias modification in primary health care (DEPTREAT): Protocol for a pragmatic randomized controlled trial
   Contemp Clin Trials, 133, 107326
   DOI 10.1016/j.cct.2023.107326, PubMed 37652355
10. 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
11. 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
12. Taubner S, Ioannou Y, Saliba A, Sales CMD, Volkert J, Protić S, Adler A, Barkauskiene R, Conejo-Cerón S, Di Giacomo D, Mestre JM, Moreno-Peral P, Vieira FM, Mota CP, Henriques MIRS, Røssberg JI, Perdih TS, Schmidt SJ, Zettl M, Ulberg R, Heinonen E (2023)
    Mediators of outcome in adolescent psychotherapy and their implications for theories and mechanisms of change: a systematic review
    Eur Child Adolesc Psychiatry, 33 (10), 3321-3358
    DOI 10.1007/s00787-023-02186-9, PubMed 36918434
13. Haas SS, Ge R, Agartz I, Amminger GP, Andreassen OA, Bachman P, Baeza I, Choi S, Colibazzi T, Cropley VL, de la Fuente-Sandoval C, Ebdrup BH, Fortea A, Fusar-Poli P, Glenthøj BY, Glenthøj LB, Haut KM, Hayes RA, Heekeren K, Hooker CI, Hwang WJ, Jahanshad N, Kaess M, Kasai K, Katagiri N et al. (2023)
    Normative modeling of brain morphometry in Clinical High-Risk for Psychosis
    bioRxiv
    DOI 10.1101/2023.01.17.523348, PubMed 36711551
14. Dysthe KK, Røssberg JI, Brandtzaeg PB, Skjuve M, Haavet OR, Følstad A, Klovning A (2023)
    Analyzing User-Generated Web-Based Posts of Adolescents' Emotional, Behavioral, and Symptom Responses to Beliefs About Depression: Qualitative Thematic Analysis
    J Med Internet Res, 25, e37289
    DOI 10.2196/37289, PubMed 36692944
15. Eielsen M, Ulvenes PG, Røssberg JI, Høstmælingen A, Soma CS, Wampold BE (2022)
    The Effectiveness of an Intensive Inpatient Psychotherapy Program for Chronic Depression: A naturalistic comparison with wait list
    BMC Psychiatry, 22 (1), 745
    DOI 10.1186/s12888-022-04381-5, PubMed 36451114
16. Kvam TM, Goksøyr IW, Stewart LH, Repantis D, Røssberg JI, Andreassen OA (2022)
    Study protocol for "MDMA-assisted therapy as a treatment for major depressive disorder: A proof of principle study"
    Front Psychiatry, 13, 954388
    DOI 10.3389/fpsyt.2022.954388, PubMed 36386973
17. Baklund L, Røssberg JI, Møller P (2022)
    Linguistic markers and basic self-disturbances among adolescents at risk of psychosis. A qualitative study
    EClinicalMedicine, 55, 101733
    DOI 10.1016/j.eclinm.2022.101733, PubMed 36386038
18. Van Hoy A, Rzeszutek M, Pięta M, Mestre JM, Rodríguez-Mora Á, Midgley N, Omylinska-Thurston J, Dopierala A, Falkenström F, Ferlin J, Gergov V, Lazić M, Ulberg R, Røssberg JI, Hancheva C, Stoyanova S, Schmidt SJ, Podina IR, Ferreira N, Kagialis A, Löffler-Stastka H, Gruszczyńska E (2022)
    Subjective well-being among psychotherapists during the coronavirus disease pandemic: A cross-cultural survey from 12 european countries
    J Psychiatr Res, 154, 315-323
    DOI 10.1016/j.jpsychires.2022.07.065, PubMed 35994913
19. Van Hoy A, Rzeszutek M, Pięta M, Mestre JM, Rodríguez-Mora Á, Midgley N, Omylinska-Thurston J, Dopierala A, Falkenström F, Ferlin J, Gergov V, Lazić M, Ulberg R, Røssberg JI, Hancheva C, Stoyanova S, Schmidt SJ, Podina I, Ferreira N, Kagialis A, Löffler-Stastka H, Gruszczyńska E (2022)
    Burnout among psychotherapists: a cross-cultural value survey among 12 European countries during the coronavirus disease pandemic
    Sci Rep, 12 (1), 13527
    DOI 10.1038/s41598-022-17669-z, PubMed 35941352
20. Baldwin H, Radua J, Antoniades M, Haas SS, Frangou S, Agartz I, Allen P, Andreassen OA, Atkinson K, Bachman P, Baeza I, Bartholomeusz CF, Chee MWL, Colibazzi T, Cooper RE, Corcoran CM, Cropley VL, Ebdrup BH, Fortea A, Glenthøj LB, Hamilton HK, Haut KM, Hayes RA, He Y, Heekeren K et al. (2022)
    Neuroanatomical heterogeneity and homogeneity in individuals at clinical high risk for psychosis
    Transl Psychiatry, 12 (1), 297
    DOI 10.1038/s41398-022-02057-y, PubMed 35882855
21. Malkomsen A, Røssberg JI, Dammen T, Wilberg T, Løvgren A, Ulberg R, Evensen J (2022)
    How therapists in cognitive behavioral and psychodynamic therapy reflect upon the use of metaphors in therapy: a qualitative study
    BMC Psychiatry, 22 (1), 433
    DOI 10.1186/s12888-022-04083-y, PubMed 35761306
22. Gjerdalen OS, Lystad JU, Bull H, Ringen PA, Røssberg JI, Martinsen EW, Ueland T, Falkum E, Evensen S (2022)
    Vocational rehabilitation augmented with cognitive behavioral therapy or cognitive remediation for individuals with schizophrenia: a 5-year follow-up study
    Nord J Psychiatry, 77 (1), 23-30
    DOI 10.1080/08039488.2022.2042598, PubMed 35209785
23. Mestre JM, Taubner S, Mota CP, Rangel Henriques M, Saliba A, Heinonen E, Ramos S, Moreno-Peral P, Volkert J, Adler A, Barkauskiene R, Conejo-Cerón S, Di Giacomo D, Ioannou Y, Mucha Vieira F, Røssberg JI, Sales CMD, Schmidt SJ, Stepisnik Perdih T, Ulberg R, Protić S (2022)
    Theories of Change and Mediators of Psychotherapy Effectiveness in Adolescents With Externalising Behaviours: A Systematic Review
    Front Psychiatry, 12, 730921
    DOI 10.3389/fpsyt.2021.730921, PubMed 35095586
24. Værnes TG, Røssberg JI, Melle I, Nelson B, Romm KL, Møller P (2021)
    Basic self-disturbance trajectories in clinical high risk for psychosis: a one-year follow-up study
    Eur Arch Psychiatry Clin Neurosci, 272 (6), 1007-1019
    DOI 10.1007/s00406-021-01349-6, PubMed 34783878
25. Malkomsen A, Røssberg JI, Dammen T, Wilberg T, Løvgren A, Ulberg R, Evensen J (2021)
    Digging down or scratching the surface: how patients use metaphors to describe their experiences of psychotherapy
    BMC Psychiatry, 21 (1), 533
    DOI 10.1186/s12888-021-03551-1, PubMed 34706691
26. Volkert J, Taubner S, Barkauskiene R, Mestre JM, Sales CMD, Thiele V, Saliba A, Protić S, Adler A, Conejo-Cerón S, Di Giacomo D, Ioannou Y, Moreno-Peral P, Vieira FM, Mota CP, Raleva M, Rangel Santos Henriques MI, Røssberg JI, Schmidt SJ, Perdih TS, Ulberg R, Heinonen E (2021)
    Mediators and Theories of Change in Psychotherapy for Young People With Personality Disorders: A Systematic Review Protocol
    Front Psychol, 12, 703095
    DOI 10.3389/fpsyg.2021.703095, PubMed 34616334
27. Dysthe KK, Haavet OR, Røssberg JI, Brandtzaeg PB, Følstad A, Klovning A (2021)
    Finding Relevant Psychoeducation Content for Adolescents Experiencing Symptoms of Depression: Content Analysis of User-Generated Online Texts
    J Med Internet Res, 23 (9), e28765
    DOI 10.2196/28765, PubMed 34591021
28. Conejo-Cerón S, Taubner S, Heinonen E, Adler A, Barkauskiene R, Di Giacomo D, Ioannou Y, Mestre JM, Henriques MR, Mota CP, Protić S, Raleva M, Vieira FM, Røssberg JI, Sales CMD, Saliba A, Schmidt SJ, Perdih TS, Ulberg R, Volkert J, Moreno-Peral P (2021)
    Mediators in Psychological Treatments for Anxiety and Depression in Adolescents and Young People: A Protocol of a Systematic Review
    Front Psychol, 12, 708436
    DOI 10.3389/fpsyg.2021.708436, PubMed 34367033
29. ENIGMA Clinical High Risk for Psychosis Working Group, Jalbrzikowski M, Hayes RA, Wood SJ, Nordholm D, Zhou JH, Fusar-Poli P, Uhlhaas PJ, Takahashi T, Sugranyes G, Kwak YB, Mathalon DH, Katagiri N, Hooker CI, Smigielski L, Colibazzi T, Via E, Tang J, Koike S, Rasser PE, Michel C, Lebedeva I, Hegelstad WTV, de la Fuente-Sandoval C, Waltz JA et al. (2021)
    Association of Structural Magnetic Resonance Imaging Measures With Psychosis Onset in Individuals at Clinical High Risk for Developing Psychosis: An ENIGMA Working Group Mega-analysis
    JAMA Psychiatry, 78 (7), 753-766
    DOI 10.1001/jamapsychiatry.2021.0638, PubMed 33950164
30. Værnes TG, Røssberg JI, Melle I, Nelson B, Romm KL, Møller P (2021)
    Basic self-disturbance in subjects at clinical high risk for psychosis: Relationship with clinical and functional outcomes at one year follow-up
    Psychiatry Res, 300, 113942
    DOI 10.1016/j.psychres.2021.113942, PubMed 33940444
31. Lockertsen V, Holm LAW, Nilsen L, Rø Ø, Burger LM, Røssberg JI (2021)
    The transition process between child and adolescent mental services and adult mental health services for patients with anorexia nervosa: a qualitative study of the parents' experiences
    J Eat Disord, 9 (1), 45
    DOI 10.1186/s40337-021-00404-w, PubMed 33849646
32. Taubner S, Saliba A, Heinonen E, Protić S, Volkert J, Adler A, Barkauskiene R, Conejo Cerón S, Di Giacomo D, Ioannou Y, Mestre JM, Moreno-Peral P, Mucha Vieira F, Mota CP, Raleva M, Rangel Santos Henriques MI, Røssberg JI, Schmidt SJ, Stepišnik Perdih T, Ulberg R, Sales CMD (2021)
    Mediators and theories of change in psychotherapy with adolescents: a systematic review protocol
    BMJ Open, 11 (3), e042411
    DOI 10.1136/bmjopen-2020-042411, PubMed 33674369
33. Malkomsen A, Røssberg JI, Dammen T, Wilberg T, Løvgren A, Horgen Evensen J (2021)
    The Synergistic Process of Improvement in Cognitive Behavioral Therapy for Major Depression
    Int J Environ Res Public Health, 18 (5)
    DOI 10.3390/ijerph18052292, PubMed 33652563
34. Røssberg JI, Evensen J, Dammen T, Wilberg T, Klungsøyr O, Jones M, Bøen E, Egeland R, Breivik R, Løvgren A, Ulberg R (2021)
    Mechanisms of change and heterogeneous treatment effects in psychodynamic and cognitive behavioural therapy for patients with depressive disorder: a randomized controlled trial
    BMC Psychol, 9 (1), 11
    DOI 10.1186/s40359-021-00517-6, PubMed 33482927
35. Bahrami S, Shadrin A, Frei O, O'Connell KS, Bettella F, Krull F, Fan CC, Røssberg JI, Hindley G, Ueland T, Dale AM, Djurovic S, Steen NE, Smeland OB, Andreassen OA (2021)
    Genetic loci shared between major depression and intelligence with mixed directions of effect
    Nat Hum Behav, 5 (6), 795-801
    DOI 10.1038/s41562-020-01031-2, PubMed 33462475
36. Løvgren A, Røssberg JI, Engebretsen E, Ulberg R (2020)
    Improvement in Psychodynamic Psychotherapy for Depression: A Qualitative Study of the Patients' Perspective
    Int J Environ Res Public Health, 17 (18)
    DOI 10.3390/ijerph17186843, PubMed 32961671
37. Lockertsen V, Nilsen L, Holm LAW, Rø Ø, Burger LM, Røssberg JI (2020)
    Mental health professionals' experiences transitioning patients with anorexia nervosa from child/adolescent to adult mental health services: a qualitative study
    BMC Health Serv Res, 20 (1), 891
    DOI 10.1186/s12913-020-05740-2, PubMed 32958078
38. Lockertsen V, Nilsen L, Holm LAW, Rø Ø, Burger LM, Røssberg JI (2020)
    Experiences of patients with anorexia nervosa during the transition from child and adolescent mental health services to adult mental health services
    J Eat Disord, 8, 37
    DOI 10.1186/s40337-020-00313-4, PubMed 32793350
39. Jones M, Råbu M, Røssberg JI, Ulberg R (2020)
    Therapists' Experiences of Psychodynamic Therapy with and without Transference Interventions for Adolescents with Depression
    Int J Environ Res Public Health, 17 (13)
    DOI 10.3390/ijerph17134628, PubMed 32605079
40. Breivik R, Wilberg T, Evensen J, Røssberg JI, Dahl HSJ, Pedersen G (2020)
    Countertransference feelings and personality disorders: a psychometric evaluation of a brief version of the Feeling Word Checklist (FWC-BV)
    BMC Psychiatry, 20 (1), 141
    DOI 10.1186/s12888-020-02556-6, PubMed 32228529
41. Sönmez N, Romm KL, Østefjells T, Grande M, Jensen LH, Hummelen B, Tesli M, Melle I, Røssberg JI (2019)
    Cognitive behavior therapy in early psychosis with a focus on depression and low self-esteem: A randomized controlled trial
    Compr Psychiatry, 97, 152157
    DOI 10.1016/j.comppsych.2019.152157, PubMed 31935529
42. 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
43. Værnes TG, Røssberg JI, Møller P (2019)
    Anomalous self-experiences are strongly associated with negative symptoms in a clinical high-risk for psychosis sample
    Compr Psychiatry, 93, 65-72
    DOI 10.1016/j.comppsych.2019.07.003, PubMed 31351243
44. Løvgren A, Røssberg JI, Nilsen L, Engebretsen E, Ulberg R (2019)
    How do adolescents with depression experience improvement in psychodynamic psychotherapy? A qualitative study
    BMC Psychiatry, 19 (1), 95
    DOI 10.1186/s12888-019-2080-0, PubMed 30898111
45. Bramness JG, Røssberg JI (2018)
    [Antipsychotic drugs for more than two years?]
    Tidsskr Nor Laegeforen, 138 (19)
    DOI 10.4045/tidsskr.18.0844, PubMed 30497254
46. Røberg L, Nilsen L, Røssberg JI (2018)
    How do men with severe sexual and physical childhood traumatization experience trauma-stabilizing group treatment? A qualitative study
    Eur J Psychotraumatol, 9 (1), 1541697
    DOI 10.1080/20008198.2018.1541697, PubMed 30455852
47. 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
48. Værnes TG, Røssberg JI, Møller P (2018)
    Anomalous Self-Experiences: Markers of Schizophrenia Vulnerability or Symptoms of Depersonalization Disorder? A Phenomenological Investigation of Two Cases
    Psychopathology, 51 (3), 198-209
    DOI 10.1159/000488462, PubMed 29730662
49. 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
50. Røssberg JI (2017)
    [Not Available]
    Tidsskr Nor Laegeforen, 137 (20)
    DOI 10.4045/tidsskr.17.0575, PubMed 29094577
51. 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
52. Røssberg JI, Andreassen OA, Ilner SO (2017)
    [Not Available]
    Tidsskr Nor Laegeforen, 137 (9), 594-595
    DOI 10.4045/tidsskr.17.0288, PubMed 28468447
53. Østefjells T, Lystad JU, Berg AO, Hagen R, Loewy R, Sandvik L, Melle I, Røssberg JI (2017)
    Metacognitive beliefs mediate the effect of emotional abuse on depressive and psychotic symptoms in severe mental disorders
    Psychol Med, 47 (13), 2323-2333
    DOI 10.1017/S0033291717000848, PubMed 28397634
54. Røssberg JI, Andreassen OA, Ilner SO (2017)
    [Medication-free hospital records - a measure not based on knowledge]
    Tidsskr Nor Laegeforen, 137 (6), 426-427
    DOI 10.4045/tidsskr.17.0091, PubMed 28332789
55. Østefjells T, Melle I, Aminoff SR, Hellvin T, Hagen R, Lagerberg TV, Lystad JU, Røssberg JI (2016)
    An exploration of metacognitive beliefs and thought control strategies in bipolar disorder
    Compr Psychiatry, 73, 84-92
    DOI 10.1016/j.comppsych.2016.11.008, PubMed 27918949
56. 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
57. 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
58. 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
59. 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
60. Østefjells T, Melle I, Hagen R, Romm KL, Sönmez N, Andreassen OA, Røssberg JI (2015)
    Unhelpful metacognitive beliefs in early psychosis are associated with affective symptoms and childhood social adjustment
    Schizophr Res, 169 (1-3), 280-285
    DOI 10.1016/j.schres.2015.10.026, PubMed 26519990
61. 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
62. 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
63. Athanasiu L, Smorr LL, Tesli M, Røssberg JI, Sønderby IE, Spigset O, Djurovic S, Andreassen OA (2015)
    Genome-wide association study identifies common variants associated with pharmacokinetics of psychotropic drugs
    J Psychopharmacol, 29 (8), 884-91
    DOI 10.1177/0269881115584469, PubMed 25944848
64. 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 SP (2014)
    10 year course of IQ in first-episode psychosis: relationship between duration of psychosis and long-term intellectual trajectories
    Psychiatry Res, 225 (3), 515-21
    DOI 10.1016/j.psychres.2014.11.054, PubMed 25535007
65. Dieset I, Haukvik UK, Melle I, Røssberg JI, Ueland T, Hope S, Dale AM, Djurovic S, Aukrust P, Agartz I, Andreassen OA (2014)
    Association between altered brain morphology and elevated peripheral endothelial markers--implications for psychotic disorders
    Schizophr Res, 161 (2-3), 222-8
    DOI 10.1016/j.schres.2014.11.006, PubMed 25433965
66. 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
67. 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
68. 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
69. Dahl HS, Røssberg JI, Crits-Christoph P, Gabbard GO, Hersoug AG, Perry JC, Ulberg R, Høglend PA (2014)
    Long-term effects of analysis of the patient-therapist relationship in the context of patients' personality pathology and therapists' parental feelings
    J Consult Clin Psychol, 82 (3), 460-71
    DOI 10.1037/a0036410, PubMed 24660675
70. Haram M, Tesli M, Dieset I, Steen NE, Røssberg JI, Djurovic S, Andreassen OA, Melle I (2014)
    An attempt to identify single nucleotide polymorphisms contributing to possible relationships between personality traits and oxytocin-related genes
    Neuropsychobiology, 69 (1), 25-30
    DOI 10.1159/000356965, PubMed 24458227
71. 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
72. 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
73. 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
74. 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
75. Borge L, Røssberg JI, Sverdrup S (2013)
    Cognitive milieu therapy and physical activity: experiences of mastery and learning among patients with dual diagnosis
    J Psychiatr Ment Health Nurs, 20 (10), 932-42
    DOI 10.1111/jpm.12090, PubMed 23701474
76. Borge L, Angel OH, Røssberg JI (2013)
    Learning through cognitive milieu therapy among inpatients with dual diagnosis: a qualitative study of interdisciplinary collaboration
    Issues Ment Health Nurs, 34 (4), 229-39
    DOI 10.3109/01612840.2012.740766, PubMed 23566185
77. Sönmez N, Romm KL, Andreasssen OA, Melle I, Røssberg JI (2013)
    Depressive symptoms in first episode psychosis: a one-year follow-up study
    BMC Psychiatry, 13, 106
    DOI 10.1186/1471-244X-13-106, PubMed 23560591
78. Larsson S, Aas M, Klungsøyr O, Agartz I, Mork E, Steen NE, Barrett EA, Lagerberg TV, Røssberg JI, Melle I, Andreassen OA, Lorentzen S (2013)
    Patterns of childhood adverse events are associated with clinical characteristics of bipolar disorder
    BMC Psychiatry, 13, 97
    DOI 10.1186/1471-244X-13-97, PubMed 23522391
79. Hansen CF, Torgalsbøen AK, Røssberg JI, Romm KL, Andreassen OA, Bell MD, Melle I (2013)
    Object relations, reality testing, and social withdrawal in schizophrenia and bipolar disorder
    J Nerv Ment Dis, 201 (3), 222-5
    DOI 10.1097/NMD.0b013e3182848ae0, PubMed 23407207
80. Langeveld J, Andreassen OA, Auestad B, Færden A, Hauge LJ, Joa I, Johannessen JO, Melle I, Rund BR, Røssberg JI, Simonsen E, Vaglum P, Larsen TK (2012)
    Is there an optimal factor structure of the Positive and Negative Syndrome Scale in patients with first-episode psychosis?
    Scand J Psychol, 54 (2), 160-5
    DOI 10.1111/sjop.12017, PubMed 23252448
81. 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
82. Dieset I, Djurovic S, Tesli M, Hope S, Mattingsdal M, Michelsen A, Joa I, Larsen TK, Agartz I, Melle I, Røssberg JI, Aukrust P, Andreassen OA, Ueland T (2012)
    Up-regulation of NOTCH4 gene expression in bipolar disorder
    Am J Psychiatry, 169 (12), 1292-300
    DOI 10.1176/appi.ajp.2012.11091431, PubMed 23212060
83. 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
84. Larsson S, Andreassen OA, Aas M, Røssberg JI, Mork E, Steen NE, Barrett EA, Lagerberg TV, Peleikis D, Agartz I, Melle I, Lorentzen S (2012)
    High prevalence of childhood trauma in patients with schizophrenia spectrum and affective disorder
    Compr Psychiatry, 54 (2), 123-7
    DOI 10.1016/j.comppsych.2012.06.009, PubMed 22901835
85. Wirgenes KV, Sønderby IE, Haukvik UK, Mattingsdal M, Tesli M, Athanasiu L, Sundet K, Røssberg JI, Dale AM, Brown AA, Agartz I, Melle I, Djurovic S, Andreassen OA (2012)
    TCF4 sequence variants and mRNA levels are associated with neurodevelopmental characteristics in psychotic disorders
    Transl Psychiatry, 2 (5), e112
    DOI 10.1038/tp.2012.39, PubMed 22832956
86. Dieset I, Hope S, Ueland T, Bjella T, Agartz I, Melle I, Aukrust P, Røssberg JI, Andreassen OA (2012)
    Cardiovascular risk factors during second generation antipsychotic treatment are associated with increased C-reactive protein
    Schizophr Res, 140 (1-3), 169-74
    DOI 10.1016/j.schres.2012.06.040, PubMed 22817875
87. 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
88. Hansen CF, Torgalsbøen AK, Røssberg JI, Andreassen OA, Bell MD, Melle I (2012)
    Object relations and reality testing in schizophrenia, bipolar disorders, and healthy controls: differences in profiles and clinical correlates
    Compr Psychiatry, 53 (8), 1200-7
    DOI 10.1016/j.comppsych.2012.04.003, PubMed 22578986
89. 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
90. 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
91. 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
92. Dahl HS, Røssberg JI, Bøgwald KP, Gabbard GO, Høglend PA (2011)
    Countertransference feelings in one year of individual therapy: an evaluation of the factor structure in the Feeling Word Checklist-58
    Psychother Res, 22 (1), 12-25
    DOI 10.1080/10503307.2011.622312, PubMed 22040366
93. 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
94. Romm KL, Rossberg JI, Hansen CF, Haug E, Andreassen OA, Melle I (2011)
    Self-esteem is associated with premorbid adjustment and positive psychotic symptoms in early psychosis
    BMC Psychiatry, 11, 136
    DOI 10.1186/1471-244X-11-136, PubMed 21854599
95. Romm KL, Melle I, Thoresen C, Andreassen OA, Rossberg JI (2011)
    Severe social anxiety in early psychosis is associated with poor premorbid functioning, depression, and reduced quality of life
    Compr Psychiatry, 53 (5), 434-40
    DOI 10.1016/j.comppsych.2011.06.002, PubMed 21821242
96. Bolstad A, Andreassen OA, Røssberg JI, Agartz I, Melle I, Tanum L (2011)
    Previous hospital admissions and disease severity predict the use of antipsychotic combination treatment in patients with schizophrenia
    BMC Psychiatry, 11, 126
    DOI 10.1186/1471-244X-11-126, PubMed 21812996
97. 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
98. Berg AO, Melle I, Rossberg JI, Romm KL, Larsson S, Lagerberg TV, Andreassen OA, Hauff E (2011)
    Perceived discrimination is associated with severity of positive and depression/anxiety symptoms in immigrants with psychosis: a cross-sectional study
    BMC Psychiatry, 11, 77
    DOI 10.1186/1471-244X-11-77, PubMed 21548949
99. 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
100. Melle I, Røssberg JI, Joa I, Friis S, Haahr U, Johannessen JO, Larsen TK, Opjordsmoen S, Rund BR, Simonsen E, Vaglum P, McGlashan T (2010)
     The development of subjective quality of life over the first 2 years in first-episode psychosis
     J Nerv Ment Dis, 198 (12), 864-9
     DOI 10.1097/NMD.0b013e3181fe7258, PubMed 21135636
101. Romm KL, Rossberg JI, Berg AO, Hansen CF, Andreassen OA, Melle I (2010)
     Assessment of social anxiety in first episode psychosis using the Liebowitz Social Anxiety scale as a self-report measure
     Eur Psychiatry, 26 (2), 115-21
     DOI 10.1016/j.eurpsy.2010.08.014, PubMed 21036553
102. Larsen TK, Melle I, Auestad B, Haahr U, Joa I, Johannessen JO, Opjordsmoen S, Rund BR, Rossberg JI, Simonsen E, Vaglum P, Friis S, McGlashan T (2010)
     Early detection of psychosis: positive effects on 5-year outcome
     Psychol Med, 41 (7), 1461-9
     DOI 10.1017/S0033291710002023, PubMed 20942996
103. Steen NE, Tesli M, Kähler AK, Methlie P, Hope S, Barrett EA, Larsson S, Mork E, Løvås K, Røssberg JI, Agartz I, Melle I, Djurovic S, Lorentzen S, Berg JP, Andreassen OA (2010)
     SRD5A2 is associated with increased cortisol metabolism in schizophrenia spectrum disorders
     Prog Neuropsychopharmacol Biol Psychiatry, 34 (8), 1500-6
     DOI 10.1016/j.pnpbp.2010.08.013, PubMed 20800085
104. Simonsen E, Friis S, Opjordsmoen S, Mortensen EL, Haahr U, Melle I, Joa I, Johannessen JO, Larsen TK, Røssberg JI, Rund BR, Vaglum P, McGlashan TH (2010)
     Early identification of non-remission in first-episode psychosis in a two-year outcome study
     Acta Psychiatr Scand, 122 (5), 375-83
     DOI 10.1111/j.1600-0447.2010.01598.x, PubMed 20722632
105. Barrett EA, Sundet K, Faerden A, Agartz I, Bratlien U, Romm KL, Mork E, Rossberg JI, Steen NE, Andreassen OA, Melle I (2010)
     Suicidality in first episode psychosis is associated with insight and negative beliefs about psychosis
     Schizophr Res, 123 (2-3), 257-62
     DOI 10.1016/j.schres.2010.07.018, PubMed 20685083
106. Rossberg JI, Johannessen JO, Klungsoyr O, Opjordsmoen S, Evensen J, Fjell A, Haahr U, Joa I, Langeveld J, Larsen TK, Melle I, Rund BR, Simonsen E, ten Velden W, Vaglum P, Friis S, McGlashan T (2010)
     Are multi family groups appropriate for patients with first episode psychosis? A 5-year naturalistic follow-up study
     Acta Psychiatr Scand, 122 (5), 384-94
     DOI 10.1111/j.1600-0447.2010.01571.x, PubMed 20491714
107. Rossberg JI, Karterud S, Pedersen G, Friis S (2010)
     Psychiatric symptoms and countertransference feelings: an empirical investigation
     Psychiatry Res, 178 (1), 191-5
     DOI 10.1016/j.psychres.2009.09.019, PubMed 20452056
108. Opjordsmoen S, Friis S, Melle I, Haahr U, Johannessen JO, Larsen TK, Røssberg JI, Rund BR, Simonsen E, Vaglum P, McGlashan TH (2010)
     A 2-year follow-up of involuntary admission's influence upon adherence and outcome in first-episode psychosis
     Acta Psychiatr Scand, 121 (5), 371-6
     DOI 10.1111/j.1600-0447.2009.01536.x, PubMed 20085554
109. Romm KL, Rossberg JI, Berg AO, Barrett EA, Faerden A, Agartz I, Andreassen OA, Melle I (2010)
     Depression and depressive symptoms in first episode psychosis
     J Nerv Ment Dis, 198 (1), 67-71
     DOI 10.1097/NMD.0b013e3181c81fc0, PubMed 20061872
110. 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
111. 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
112. 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
113. 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
114. 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
115. Røssberg JI, Melle I, Opjordsmoen S, Friis S (2006)
     Patient satisfaction and treatment environment: a 20-year follow-up study from an acute psychiatric ward
     Nord J Psychiatry, 60 (2), 176-80
     DOI 10.1080/08039480600583894, PubMed 16635939
116. Røssberg JI, Eiring Ø, Friis S (2004)
     Work environment and job satisfaction. A psychometric evaluation of the Working Environment Scale-10
     Soc Psychiatry Psychiatr Epidemiol, 39 (7), 576-80
     DOI 10.1007/s00127-004-0791-z, PubMed 15243696
117. Rossberg JI, Friis S (2004)
     Patients' and staff's perceptions of the psychiatric ward environment
     Psychiatr Serv, 55 (7), 798-803
     DOI 10.1176/appi.ps.55.7.798, PubMed 15232020
118. Rossberg JI, Friis S (2003)
     Staff members' emotional reactions to aggressive and suicidal behavior of inpatients
     Psychiatr Serv, 54 (10), 1388-94
     DOI 10.1176/appi.ps.54.10.1388, PubMed 14557526
119. Røssberg JI, Friis S (2003)
     A suggested revision of the Ward Atmosphere Scale
     Acta Psychiatr Scand, 108 (5), 374-80
     DOI 10.1034/j.1600-0447.2003.00191.x, PubMed 14531758
120. Røssberg JI, Hoffart A, Friis S (2003)
     Psychiatric staff members' emotional reactions toward patients. A psychometric evaluation of an extended version of the Feeling Word Checklist (FWC-58)
     Nord J Psychiatry, 57 (1), 45-53
     DOI 10.1080/08039480310000257, PubMed 12745791
121. Røssberg JI, Friis S (2003)
     Do the Spontaneity and Anger and Aggression subscales of the Ward Atmosphere Scale form homogeneous dimensions? A cross-sectional study of 54 wards for psychotic patients
     Acta Psychiatr Scand, 107 (2), 118-23
     DOI 10.1034/j.1600-0447.2003.02082.x, PubMed 12534437
122. 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
123. Rossberg JI, Smedslund G, Stoltenberg C (2018)
     Antipsychotics for more than 2 years?
     Tidsskr. Nor. Laegeforen., 138 (19), 1798-1800
124. 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
125. Tveter AL, Bakken TL, Rossberg JI, Bech-Pedersen E, Bramness JG (2016)
     Short communication: reliability and validity of the UKU Side Effect Rating Scale for adults with intellectual disabilities
     Adv. Ment. Health Intellet. Disabil., 10 (3), 166-171
     DOI 10.1108/AMHID-10-2015-0051
126. Rossberg JI (2019)
     PRACTICAL PSYCHIATRY
     Tidsskr. Nor. Laegeforen., 139 (10), 972
127. Tveter AL, Bakken TL, Bramness JG, Rossberg JI (2014)
     Adjustment of the UKU Side Effect Rating Scale for adults with intellectual disabilities. A pilot study
     Adv. Ment. Health Intellet. Disabil., 8 (4), 260-267
     DOI 10.1108/AMHID-11-2013-0064
128. Rossberg JI (2017)
     THE COMPETENT PSYCHIATES
     Tidsskr. Nor. Laegeforen., 137 (20), 1630
129. Sonmez N, Hagen R, Andreassen OA, Romm KL, Grande M, Jensen LH, Morrison AP, Melle I, Rossberg JI (2014)
     Cognitive Behavior Therapy in First-Episode Psychosis With a Focus on Depression, Anxiety, and Self-Esteem
     Cogn. Behav. Pract., 21 (1), 43-54
130. Dahl HSJ, Ulberg R, Marble A, Gabbard GO, Rossberg JI, Hoglend P (2017)
     Beyond the Statistics: A Case Comparison Study of Victor and Tim
     Psychoanal. Psychol., 34 (4), 461-477
     DOI 10.1037/pap0000085