Petter Andreas Ringen
Petter Andreas Ringen
Department Head and Professor of Psychiatry at Oslo University Hospital and the University of Oslo
Verified email at medisin.uio.no
Title
Cited by
Cited by
Year
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
2882011
Increased mortality in schizophrenia due to cardiovascular disease–a non-systematic review of epidemiology, possible causes, and interventions
PA Ringen, JA Engh, AB Birkenaes, I Dieset, OA Andreassen
Frontiers in psychiatry 5, 137, 2014
2272014
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, ...
The Journal of clinical psychiatry, 2007
2112007
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
1982008
Predictors of medication adherence in patients with schizophrenia and bipolar disorder
H Jonsdottir, S Opjordsmoen, AB Birkenaes, C Simonsen, JA Engh, ...
Acta Psychiatrica Scandinavica 127 (1), 23-33, 2013
1372013
Dyslipidemia independent of body mass in antipsychotic-treated patients under real-life conditions
AB Birkenaes, KI Birkeland, JA Engh, A Færden, H Jonsdottir, PA Ringen, ...
Journal of clinical psychopharmacology 28 (2), 132-137, 2008
1202008
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
1182010
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
1172007
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
1102010
Fighting stigma of mental illness in midsize European countries
A Beldie, JA Den Boer, C Brain, E Constant, ML Figueira, I Filipcic, ...
Social psychiatry and psychiatric epidemiology 47 (1), 1-38, 2012
1062012
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), 71, 2007
962007
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, 2008
952008
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
832010
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 (6), 397-405, 2011
822011
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, 2010
752010
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, 2010
742010
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
732008
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
652008
The level of illicit drug use is related to symptoms and premorbid functioning in severe mental illness
PA Ringen, I Melle, AB Birkenaes, JA Engh, A Faerden, A Vaskinn, S Friis, ...
Acta Psychiatrica Scandinavica 118 (4), 297-304, 2008
582008
Sociodemographic characteristics and cardiovascular risk factors in patients with severe mental disorders compared with the general population.
AB Birkenaes, AJ Søgaard, JA Engh, H Jonsdottir, PA Ringen, A Vaskinn, ...
The Journal of clinical psychiatry 67 (3), 425, 2006
582006
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