| Interleukin 1 receptor antagonist and soluble tumor necrosis factor receptor 1 are associated with general severity and psychotic symptoms in schizophrenia and bipolar disorder S Hope, T Ueland, NE Steen, I Dieset, S Lorentzen, AO Berg, I Agartz, ... Schizophrenia research 145 (1-3), 36-42, 2013 | 152 | 2013 |
| Prefrontal cortical thinning links to negative symptoms in schizophrenia via the ENIGMA consortium E Walton, DP Hibar, TGM Van Erp, SG Potkin, R Roiz-Santiañez, ... Psychological medicine 48 (1), 82-94, 2018 | 145 | 2018 |
| Depression and depressive symptoms in first episode psychosis KL Romm, JI Rossberg, AO Berg, EA Barrett, A Faerden, I Agartz, ... The Journal of nervous and mental disease 198 (1), 67-71, 2010 | 112 | 2010 |
| Perceived discrimination is associated with severity of positive and depression/anxiety symptoms in immigrants with psychosis: a cross-sectional study AO Berg, I Melle, JI Rossberg, KL Romm, S Larsson, TV Lagerberg, ... BMC psychiatry 11, 1-9, 2011 | 109 | 2011 |
| Excessive substance use in bipolar disorder is associated with impaired functioning rather than clinical characteristics, a descriptive study TV Lagerberg, OA Andreassen, PA Ringen, AO Berg, S Larsson, I Agartz, ... BMC psychiatry 10, 1-9, 2010 | 108 | 2010 |
| Excessive cannabis use is associated with earlier age at onset in bipolar disorder TV Lagerberg, K Sundet, SR Aminoff, AO Berg, PA Ringen, ... European archives of psychiatry and clinical neuroscience 261, 397-405, 2011 | 104 | 2011 |
| Positive symptoms associate with cortical thinning in the superior temporal gyrus via the ENIGMA Schizophrenia consortium E Walton, DP Hibar, TGM van Erp, SG Potkin, R Roiz‐Santiañez, ... Acta Psychiatrica Scandinavica 135 (5), 439-447, 2017 | 96 | 2017 |
| A cross-sectional study of vitamin D deficiency among immigrants and Norwegians with psychosis compared to the general population AO Berg, I Melle, PA Torjesen, L Lien, E Hauff, OA Andreassen J Clin Psychiatry 71 (12), 1598-1604, 2010 | 92 | 2010 |
| A history of childhood trauma is associated with slower improvement rates: Findings from a one-year follow-up study of patients with a first-episode psychosis M Aas, OA Andreassen, SR Aminoff, A Færden, KL Romm, R Nesvåg, ... BMC psychiatry 16, 1-8, 2016 | 84 | 2016 |
| Assessment of social anxiety in first episode psychosis using the Liebowitz Social Anxiety scale as a self-report measure KL Romm, JI Rossberg, AO Berg, CF Hansen, OA Andreassen, I Melle European Psychiatry 26 (2), 115-121, 2011 | 67 | 2011 |
| Neurocognitive features in subgroups of bipolar disorder SR Aminoff, T Hellvin, TV Lagerberg, AO Berg, OA Andreassen, I Melle Bipolar disorders 15 (3), 272-283, 2013 | 66 | 2013 |
| Traumebehandling: komplekse traumelidelser og dissociasjon T Anstorp, T Anstorp, DØ Nordanger, H Bækkelund, AO Berg, ... Universitetsforlaget, 2014 | 61 | 2014 |
| Low vitamin D is associated with negative and depressive symptoms in psychotic disorders M Nerhus, AO Berg, LR Kvitland, I Dieset, S Hope, SR Dahl, MA Weibell, ... Schizophrenia research 178 (1-3), 44-49, 2016 | 56 | 2016 |
| Age at onset of bipolar disorder in a Norwegian catchment area sample S Larsson, S Lorentzen, E Mork, EA Barrett, NE Steen, TV Lagerberg, ... Journal of affective disorders 124 (1-2), 174-177, 2010 | 49 | 2010 |
| Childhood trauma mediates the association between ethnic minority status and more severe hallucinations in psychotic disorder AO Berg, M Aas, S Larsson, M Nerhus, E Hauff, OA Andreassen, I Melle Psychological medicine 45 (1), 133-142, 2015 | 48 | 2015 |
| Childhood trauma mediates the association between ethnic minority status and more severe hallucinations in psychotic disorder AO Berg, M Aas, S Larsson, M Nerhus, E Hauff, OA Andreassen, I Melle Psychological medicine 45 (1), 133-142, 2015 | 48 | 2015 |
| Task modulations and clinical manifestations in the brain functional connectome in 1615 fMRI datasets T Kaufmann, D Alnæs, CL Brandt, NT Doan, K Kauppi, F Bettella, ... Neuroimage 147, 243-252, 2017 | 44 | 2017 |
| Metacognitive beliefs mediate the effect of emotional abuse on depressive and psychotic symptoms in severe mental disorders T Østefjells, JU Lystad, AO Berg, R Hagen, R Loewy, L Sandvik, I Melle, ... Psychological Medicine 47 (13), 2323-2333, 2017 | 35 | 2017 |
| Migrant background and ethnic minority status as predictors for duration of untreated psychosis M Nerhus, AO Berg, M Haram, LR Kvitland, OA Andreassen, I Melle Early Intervention in Psychiatry 9 (1), 61-65, 2015 | 34 | 2015 |
| Sex-specific cortisol levels in bipolar disorder and schizophrenia during mental challenge—Relationship to clinical characteristics and medication NE Steen, S Lorentzen, EA Barrett, TV Lagerberg, S Hope, S Larsson, ... Progress in Neuro-Psychopharmacology and Biological Psychiatry 35 (4), 1100-1107, 2011 | 34 | 2011 |
