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Andreas Ringen

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P Andreas Ringen; Carmen Simonsen; Olav Spigset; Kjetil Sundet; Ingrid Agartz; Akiah O Berg; Ingrid Melle; Ole A Andreassen
Cannabis use and premorbid functioning as predictors of poorer neurocognition in schizophrenia spectrum disorder.
H Jónsdóttir; Stein Opjordsmoen; P Andreas Ringen; C Simonsen; Kjetil Sundet; Anja Vaskinn; Astrid B Birkenaes; John A Engh; Svein Friis; Ole A Andreassen
Predictors of medication adherence in patients with schizophrenia and bipolar disorder.
Trine V Lagerberg; Sofie R Aminoff; Ole A Andreassen; Akiah O Berg; P Andreas Ringen; Kjetil Sundet; Ingrid Melle
Excessive cannabis use is associated with earlier age at onset in bipolar disorder.

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All Publications

2013: P Andreas Ringen; Carmen Simonsen; Olav Spigset; Kjetil Sundet; Ingrid Agartz; Akiah O Berg; Ingrid Melle; Ole A Andreassen
Cannabis use and premorbid functioning as predictors of poorer neurocognition in schizophrenia spectrum disorder.
Schizophrenia research 2013;143(1):84-9.
2013: H Jónsdóttir; Stein Opjordsmoen; P Andreas Ringen; C Simonsen; Kjetil Sundet; Anja Vaskinn; Astrid B Birkenaes; John A Engh; Svein Friis; Ole A Andreassen
Predictors of medication adherence in patients with schizophrenia and bipolar disorder.
Acta psychiatrica Scandinavica 2013;127(1):23-33.
2011: Trine V Lagerberg; Sofie R Aminoff; Ole A Andreassen; Akiah O Berg; P Andreas Ringen; Kjetil Sundet; Ingrid Melle
Excessive cannabis use is associated with earlier age at onset in bipolar disorder.
European archives of psychiatry and clinical neuroscience 2011;261(6):397-405.
2010: P Andreas Ringen; Anja Vaskinn; Kjetil Sundet; John A Engh; H Jónsdóttir; C Simonsen; Svein Friis; Stein Opjordsmoen; Ingrid Melle; Ole A Andreassen
Opposite relationships between cannabis use and neurocognitive functioning in bipolar disorder and schizophrenia.
Psychological medicine 2010;40(8):1337-47.
2010: John A Engh; Svein Friis; Astrid B Birkenaes; Halldóra Jónsdóttir; Ole Klungsøyr; P Andreas Ringen; Carmen Simonsen; Anja Vaskinn; Stein Opjordsmoen; Ole A Andreassen
Delusions are associated with poor cognitive insight in schizophrenia.
Schizophrenia bulletin 2010;36(4):830-5.
2010: Trine V Lagerberg; Ole A Andreassen; P Andreas Ringen; Akiah O Berg; Sara Larsson; Ingrid Agartz; Kjetil Sundet; Ingrid Melle
Excessive substance use in bipolar disorder is associated with impaired functioning rather than clinical characteristics, a descriptive study.
BMC psychiatry 2010;10():9.
2009: Anja Vaskinn; Astrid B Birkenaes; John A Engh; Svein Friis; Halldora Jónsdóttir; Stein Opjordsmoen; P Andreas Ringen; Carmen Simonsen; Kjetil Sundet; Torill Ueland; Ole A Andreassen
Using the Wisconsin Card Sorting Test to assess learning potential in normal IQ schizophrenia: does it have potential?
Nordic journal of psychiatry 2009;63(5):405-11.
2008: P Andreas Ringen; Ingrid Melle; Astrid B Birkenaes; John A Engh; Arne E Faerden; Anja Vaskinn; Svein Friis; Stein Opjordsmoen; Ole A Andreassen
The level of illicit drug use is related to symptoms and premorbid functioning in severe mental illness.
Acta psychiatrica Scandinavica 2008;118(4):297-304.
2008: P Andreas Ringen; T V Lagerberg; Astrid B Birkenaes; J Engn; Arne E Faerden; H Jónsdottir; Ragnar Nesvåg; Svein Friis; S Opjordsmoen; F Larsen; Ingrid Melle; O A Andreassen
Differences in prevalence and patterns of substance use in schizophrenia and bipolar disorder.
Psychological medicine 2008;38(9):1241-9.
2008: Anja Vaskinn; Kjetil Sundet; Svein Friis; Carmen Simonsen; Astrid B Birkenaes; Halldora Jónsdóttir; P Andreas Ringen; Ole A Andreassen
Emotion perception and learning potential: mediators between neurocognition and social problem-solving in schizophrenia?
Journal of the International Neuropsychological Society : JINS 2008;14(2):279-88.
2008: Carmen Simonsen; Kjetil Sundet; Anja Vaskinn; Astrid B Birkenaes; John A Engh; Charlotte Fredslund Hansen; Halldóra Jónsdóttir; P Andreas Ringen; Stein Opjordsmoen; Svein Friis; Ole A Andreassen
Neurocognitive profiles in bipolar I and bipolar II disorder: differences in pattern and magnitude of dysfunction.
Bipolar disorders 2008;10(2):245-55.
2008: P Andreas Ringen; Ingrid Melle; Astrid B Birkenaes; John A Engh; Arne E Faerden; H Jónsdóttir; Ragnar Nesvåg; Anja Vaskinn; Svein Friis; F Larsen; Stein Opjordsmoen; Kjetil Sundet; Ole A Andreassen
Illicit drug use in patients with psychotic disorders compared with that in the general population: a cross-sectional study.
Acta psychiatrica Scandinavica 2008;117(2):133-8.
2007: Anja Vaskinn; Kjetil Sundet; Svein Friis; C Simonsen; Astrid B Birkenaes; John A Engh; H Jónsdóttir; P Andreas Ringen; Stein Opjordsmoen; Ole A Andreassen
The effect of gender on emotion perception in schizophrenia and bipolar disorder.
Acta psychiatrica Scandinavica 2007;116(4):263-70.
2007: Astrid B Birkenaes; Stein Opjordsmoen; Cathrine Brunborg; John A Engh; Halldora Jonsdottir; P Andreas Ringen; Carmen Simonsen; Anja Vaskinn; Kåre I Birkeland; Svein Friis; Kjetil Sundet; Ole A Andreassen
The level of cardiovascular risk factors in bipolar disorder equals that of schizophrenia: a comparative study.
The Journal of clinical psychiatry 2007;68(6):917-23.
2007: John A Engh; Svein Friis; Astrid B Birkenaes; Halldóra Jónsdóttir; P Andreas Ringen; Torleif Ruud; Kjetil Sundet; Stein Opjordsmoen; Ole A Andreassen
Measuring cognitive insight in schizophrenia and bipolar disorder: a comparative study.
BMC psychiatry 2007;7():71.
2006: Astrid B Birkenaes; Anne Johanne Søgaard; John A Engh; Halldora Jonsdottir; P Andreas Ringen; Anja Vaskinn; Svein Friis; Kjetil Sundet; Stein Opjordsmoen; Ole A Andreassen
Sociodemographic characteristics and cardiovascular risk factors in patients with severe mental disorders compared with the general population.
The Journal of clinical psychiatry 2006;67(3):425-33.