P A Ringen

Summary

Affiliation: University of Oslo
Country: Norway

Publications

  1. ncbi request reprint [Models and trends in psychiatry--should neurobiology form a common basis?]
    Petter Andreas Ringen
    Klinikk for psykiatri Aker universitetssykehus 0320 Oslo
    Tidsskr Nor Laegeforen 122:2024-7. 2002
  2. doi request reprint Cannabis use and premorbid functioning as predictors of poorer neurocognition in schizophrenia spectrum disorder
    P Andreas Ringen
    KG Jebsen Centre for Psychosis Research, Division of Mental Health and Addiction, Oslo University Hospital, N 0424 Oslo, Norway
    Schizophr Res 143:84-9. 2013
  3. pmc Excessive substance use in bipolar disorder is associated with impaired functioning rather than clinical characteristics, a descriptive study
    Trine V Lagerberg
    Section for Psychosis Research, Oslo University Hospital, Bygg 49, Kirkevn, 166 N 0407 Oslo, Norway
    BMC Psychiatry 10:9. 2010
  4. pmc Measuring cognitive insight in schizophrenia and bipolar disorder: a comparative study
    John A Engh
    Division of Psychiatry, Ulleval University Hospital, Oslo, Norway
    BMC Psychiatry 7:71. 2007
  5. ncbi request reprint Illicit drug use in patients with psychotic disorders compared with that in the general population: a cross-sectional study
    P A Ringen
    Institute of Psychiatry, University of Oslo, N 0317 Oslo, Norway, and Division of Psychiatry, Ulleval University Hospital, N 0407 Oslo, Norway
    Acta Psychiatr Scand 117:133-8. 2008
  6. ncbi request reprint Differences in prevalence and patterns of substance use in schizophrenia and bipolar disorder
    P A Ringen
    Institute of Psychiatry, Medical Faculty, University of Oslo, Oslo, Norway
    Psychol Med 38:1241-9. 2008
  7. ncbi request reprint [Medicine and psychiatry--in part and divided?]
    Petter Andreas Ringen
    Avdeling for forskning og undervisning, Psykiatrisk divisjon, Ulleval universitetssykehus, 0407 Oslo
    Tidsskr Nor Laegeforen 127:908-10. 2007
  8. doi request reprint The level of illicit drug use is related to symptoms and premorbid functioning in severe mental illness
    P A Ringen
    Institute of Psychiatry, University of Oslo, Oslo, Norway
    Acta Psychiatr Scand 118:297-304. 2008
  9. doi request reprint Opposite relationships between cannabis use and neurocognitive functioning in bipolar disorder and schizophrenia
    P A Ringen
    Institute of Psychiatry, University of Oslo, N 0318 Oslo, Norway
    Psychol Med 40:1337-47. 2010
  10. doi request reprint Predictors of medication adherence in patients with schizophrenia and bipolar disorder
    H Jonsdottir
    Division of Mental Health and Addiction, Oslo University Hospital, Oslo, Norway
    Acta Psychiatr Scand 127:23-33. 2013

Detail Information

Publications14

  1. ncbi request reprint [Models and trends in psychiatry--should neurobiology form a common basis?]
    Petter Andreas Ringen
    Klinikk for psykiatri Aker universitetssykehus 0320 Oslo
    Tidsskr Nor Laegeforen 122:2024-7. 2002
  2. doi request reprint Cannabis use and premorbid functioning as predictors of poorer neurocognition in schizophrenia spectrum disorder
    P Andreas Ringen
    KG Jebsen Centre for Psychosis Research, Division of Mental Health and Addiction, Oslo University Hospital, N 0424 Oslo, Norway
    Schizophr Res 143:84-9. 2013
    ..We investigated the relation between cannabis use, determined by its presence in urine, and neurocognitive functioning in schizophrenia controlling for the potential bias of premorbid functioning...
  3. pmc Excessive substance use in bipolar disorder is associated with impaired functioning rather than clinical characteristics, a descriptive study
    Trine V Lagerberg
    Section for Psychosis Research, Oslo University Hospital, Bygg 49, Kirkevn, 166 N 0407 Oslo, Norway
    BMC Psychiatry 10:9. 2010
    ....
  4. pmc Measuring cognitive insight in schizophrenia and bipolar disorder: a comparative study
    John A Engh
    Division of Psychiatry, Ulleval University Hospital, Oslo, Norway
    BMC Psychiatry 7:71. 2007
    ..The relationship between the BCIS as a measure of cognitive insight and established methods for assessment of insight of illness was explored in both diagnostic groups...
  5. ncbi request reprint Illicit drug use in patients with psychotic disorders compared with that in the general population: a cross-sectional study
    P A Ringen
    Institute of Psychiatry, University of Oslo, N 0317 Oslo, Norway, and Division of Psychiatry, Ulleval University Hospital, N 0407 Oslo, Norway
    Acta Psychiatr Scand 117:133-8. 2008
    ..Prevalence estimates of illicit drug use in psychotic disorders vary between studies, and only a few studies compared prevalence estimates with those in the general population...
  6. ncbi request reprint Differences in prevalence and patterns of substance use in schizophrenia and bipolar disorder
    P A Ringen
    Institute of Psychiatry, Medical Faculty, University of Oslo, Oslo, Norway
    Psychol Med 38:1241-9. 2008
    ..The objective of the present study was to compare the prevalence of substance use in schizophrenia and bipolar disorder, and investigate possible differences in pattern and frequency of use...
  7. ncbi request reprint [Medicine and psychiatry--in part and divided?]
    Petter Andreas Ringen
    Avdeling for forskning og undervisning, Psykiatrisk divisjon, Ulleval universitetssykehus, 0407 Oslo
    Tidsskr Nor Laegeforen 127:908-10. 2007
  8. doi request reprint The level of illicit drug use is related to symptoms and premorbid functioning in severe mental illness
    P A Ringen
    Institute of Psychiatry, University of Oslo, Oslo, Norway
    Acta Psychiatr Scand 118:297-304. 2008
    ..This study aims to investigate if the amount of illicit psychoactive drug use is related to symptom load or premorbid functioning across diagnosis in patients with severe mental illness...
  9. doi request reprint Opposite relationships between cannabis use and neurocognitive functioning in bipolar disorder and schizophrenia
    P A Ringen
    Institute of Psychiatry, University of Oslo, N 0318 Oslo, Norway
    Psychol Med 40:1337-47. 2010
    ..The aim of this study was to investigate the association between cannabis use and neurocognition in bipolar disorder compared with schizophrenia in a naturalistic setting...
  10. doi request reprint Predictors of medication adherence in patients with schizophrenia and bipolar disorder
    H Jonsdottir
    Division of Mental Health and Addiction, Oslo University Hospital, Oslo, Norway
    Acta Psychiatr Scand 127:23-33. 2013
    ..To investigate potential risk factors for medication non-adherence in patients with schizophrenia and bipolar disorder...
  11. ncbi request reprint The effect of gender on emotion perception in schizophrenia and bipolar disorder
    A Vaskinn
    Institute of Psychiatry, University of Oslo, Norway
    Acta Psychiatr Scand 116:263-70. 2007
    ..In healthy samples females perform better than males. This study compared emotion perception in schizophrenia and bipolar disorder and investigated the effects of gender...
  12. doi request reprint Dyslipidemia independent of body mass in antipsychotic-treated patients under real-life conditions
    Astrid B Birkenaes
    Section for Psychosis Research, Division of Psychiatry, Ulleval University Hospital and Institute of Psychiatry, Oslo, Norway
    J Clin Psychopharmacol 28:132-7. 2008
    ..We investigated how cardiometabolic risk factors were related to body mass during treatment with different APs under real-life conditions...
  13. doi request reprint Emotion perception and learning potential: mediators between neurocognition and social problem-solving in schizophrenia?
    Anja Vaskinn
    Institute of Psychiatry, University of Oslo, Oslo, Norway
    J Int Neuropsychol Soc 14:279-88. 2008
    ....
  14. doi request reprint Neurocognitive profiles in bipolar I and bipolar II disorder: differences in pattern and magnitude of dysfunction
    Carmen Simonsen
    Department of Psychiatry, Ulleval University Hospital, and Institute of Psychology, University of Oslo, Oslo, Norway
    Bipolar Disord 10:245-55. 2008
    ..The aim of this study was to examine whether patients with bipolar I and bipolar II disorder have different neurocognitive profiles...