Publications by Jan Ivar Røssberg

128 publications found

1. 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
2. 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
3. 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 (in press)
   DOI 10.1038/s41380-024-02426-7, PubMed 38332374
4. 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, 15248380231223264 (in press)
   DOI 10.1177/15248380231223264, PubMed 38281152
5. 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, 1-15 (in press)
   DOI 10.1080/10503307.2023.2279645, PubMed 37963354
6. 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
7. 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
8. 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
9. 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
10. 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 (in press)
    DOI 10.1007/s00787-023-02186-9, PubMed 36918434
11. 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
12. 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
13. 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
14. 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
15. 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
16. 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
17. 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
18. 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
19. 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
20. 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
21. 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
22. 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
23. 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
24. 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
25. 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
26. 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
27. 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
28. 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
29. 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
30. 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
31. 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
32. 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
33. 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
34. 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
35. 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
36. 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
37. 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
38. 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
39. 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
40. 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
41. 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
42. 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
43. 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
44. 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
45. 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
46. 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
47. 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
48. Røssberg JI (2017)
    [Not Available]
    Tidsskr Nor Laegeforen, 137 (20)
    DOI 10.4045/tidsskr.17.0575, PubMed 29094577
49. 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
50. Røssberg JI, Andreassen OA, Ilner SO (2017)
    [Not Available]
    Tidsskr Nor Laegeforen, 137 (9), 594-595
    DOI 10.4045/tidsskr.17.0288, PubMed 28468447
51. 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
52. 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
53. 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
54. 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
55. 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
56. 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
57. 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
58. 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
59. 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
60. 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
61. 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
62. 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
63. 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
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