| Neurocognitive dysfunction in bipolar and schizophrenia spectrum disorders depends on history of psychosis rather than diagnostic group C Simonsen, K Sundet, A Vaskinn, AB Birkenaes, JA Engh, A Færden, ... Schizophrenia bulletin 37 (1), 73-83, 2011 | 357 | 2011 |
| The level of cardiovascular risk factors in bipolar disorder equals that of schizophrenia: a comparative study AB Birkenaes, S Opjordsmoen, C Brunborg, JA Engh, H Jonsdottir, ... Journal of Clinical Psychiatry 68 (6), 917-923, 2007 | 239 | 2007 |
| Neurocognitive profiles in bipolar I and bipolar II disorder: differences in pattern and magnitude of dysfunction C Simonsen, K Sundet, A Vaskinn, AB Birkenaes, JA Engh, CF Hansen, ... Bipolar disorders 10 (2), 245-255, 2008 | 225 | 2008 |
| Predictors of medication adherence in patients with schizophrenia and bipolar disorder H Jónsdóttir, S Opjordsmoen, AB Birkenaes, C Simonsen, JA Engh, ... Acta Psychiatrica Scandinavica 127 (1), 23-33, 2013 | 200 | 2013 |
| Beliefs about medications: measurement and relationship to adherence in patients with severe mental disorders H Jonsdottir, S Friis, R Horne, KI Pettersen, Å Reikvam, OA Andreassen Acta Psychiatrica Scandinavica 119 (1), 78-84, 2009 | 170 | 2009 |
| Delusions are associated with poor cognitive insight in schizophrenia JA Engh, S Friis, AB Birkenaes, H Jónsdóttir, O Klungsøyr, PA Ringen, ... Schizophrenia bulletin 36 (4), 830-835, 2010 | 152 | 2010 |
| Medication adherence in outpatients with severe mental disorders: relation between self-reports and serum level H Jónsdóttir, S Opjordsmoen, AB Birkenaes, JA Engh, PA Ringen, ... Journal of clinical psychopharmacology 30 (2), 169-175, 2010 | 150 | 2010 |
| The effect of gender on emotion perception in schizophrenia and bipolar disorder A Vaskinn, K Sundet, S Friis, C Simonsen, AB Birkenaes, JA Engh, ... Acta Psychiatrica Scandinavica 116 (4), 263-270, 2007 | 142 | 2007 |
| Dyslipidemia independent of body mass in antipsychotic-treated patients under real-life conditions AB Birkenaes, KI Birkeland, JA Engh, A Faerden, H Jonsdottir, PA Ringen, ... Journal of clinical psychopharmacology 28 (2), 132-137, 2008 | 140 | 2008 |
| Measuring cognitive insight in schizophrenia and bipolar disorder: a comparative study JA Engh, S Friis, AB Birkenaes, H Jónsdóttir, PA Ringen, T Ruud, ... BMC psychiatry 7, 1-7, 2007 | 113 | 2007 |
| Differences in prevalence and patterns of substance use in schizophrenia and bipolar disorder PA Ringen, TV Lagerberg, AB Birkenaes, J Engn, A Faerden, H Jonsdottir, ... Psychological Medicine 38 (9), 1241-1249, 2008 | 107 | 2008 |
| Opposite relationships between cannabis use and neurocognitive functioning in bipolar disorder and schizophrenia PA Ringen, A Vaskinn, K Sundet, JA Engh, H Jonsdottir, C Simonsen, ... Psychological Medicine 40 (8), 1337-1347, 2010 | 95 | 2010 |
| Emotion perception and learning potential: mediators between neurocognition and social problem-solving in schizophrenia? A Vaskinn, K Sundet, S Friis, C Simonsen, AB Birkenaes, H Jonsdottir, ... Journal of the International Neuropsychological Society 14 (2), 279-288, 2008 | 89 | 2008 |
| Illicit drug use in patients with psychotic disorders compared with that in the general population: a cross‐sectional study PA Ringen, I Melle, AB Birkenaes, JA Engh, A Faerden, H Jonsdottir, ... Acta Psychiatrica Scandinavica 117 (2), 133-138, 2008 | 76 | 2008 |
| Increased expression of lipid biosynthesis genes in peripheral blood cells of olanzapine-treated patients AO Vik-Mo, AB Birkenaes, J Fernø, H Jonsdottir, OA Andreassen, ... International Journal of Neuropsychopharmacology 11 (5), 679-684, 2008 | 73 | 2008 |
| Sociodemographic Characteristics and Cardiovascular Risk Factors in Patients With Severe Mental Disorders Compared With the General Population.(CME) AB Birkenaes, AJ Sogaard, JA Engh, H Jonsdottir, PA Ringen, A Vaskinn, ... Journal of Clinical Psychiatry 67 (3), 425-433, 2006 | 62 | 2006 |
| Neutropenia and agranulocytosis during treatment of schizophrenia with clozapine versus other antipsychotics: an observational study in Iceland O Ingimarsson, JH MacCabe, M Haraldsson, H Jónsdóttir, E Sigurdsson BMC psychiatry 16, 1-8, 2016 | 47 | 2016 |
| Measurement of insight in patients with bipolar disorder: are self-rated scales developed for patients with schizophrenia applicable? H Jónsdóttir, JA Engh, S Friis, A Birkenæs, PA Ringen, A Vaskinn, ... The Journal of nervous and mental disease 196 (4), 333-335, 2008 | 30 | 2008 |
| Risk of diabetes and dyslipidemia during clozapine and other antipsychotic drug treatment of schizophrenia in Iceland O Ingimarsson, JH MacCabe, M Haraldsson, H Jónsdóttir, E Sigurdsson Nordic journal of psychiatry 71 (7), 496-502, 2017 | 25 | 2017 |
| Clozapine treatment and discontinuation in Iceland: a national longitudinal study using electronic patient records O Ingimarsson, JH MacCabe, M Haraldsson, H Jónsdóttir, E Sigurdsson Nordic journal of psychiatry 70 (6), 450-455, 2016 | 23 | 2016 |
Ole A. AndreassenProfessor of Medicine, University of Oslo, Oslo University Hospital, Oslo, NorwayVerified email at medisin.uio.no
