Steinar Lorentzen

Summary

Affiliation: University of Oslo
Country: Norway

Publications

  1. ncbi request reprint Predictors of change after long-term analytic group psychotherapy
    Steinar Lorentzen
    Institute of Psychiatry, University of Oslo, Aker University Hospital, Sognsvannsveien 21, N 032 Oslo, Norway
    J Clin Psychol 61:1541-53. 2005
  2. doi request reprint Psychodynamic group psychotherapy: impact of group length and therapist professional characteristics on development of therapeutic alliance
    Steinar Lorentzen
    Institute of Clinical Medicine, University of Oslo, Oslo, Norway
    Clin Psychol Psychother 19:420-33. 2012
  3. doi request reprint Practice-based evidence: patients who did not respond to group analysis
    Steinar Lorentzen
    Institute of Clinical Medicine, Medical Faculty, University of Oslo and Oslo University Hospital, Aker in Oslo, Norway
    Int J Group Psychother 61:366-95. 2011
  4. ncbi request reprint Cohesion, Alliance, and outcome in group psychotherapy: comments on Joyce et al. (2007) and Johnson (2007)
    Steinar Lorentzen
    Institute of Psychiatry, University of Oslo, Oslo, Norway
    Int J Group Psychother 58:403-9. 2008
  5. doi request reprint High prevalence of childhood trauma in patients with schizophrenia spectrum and affective disorder
    Sara Larsson
    Department of Research and Development, Clinic of Mental Health and Addiction, Oslo University Hospital, Oslo, Norway
    Compr Psychiatry 54:123-7. 2013
  6. doi request reprint Is cognitive impairment following early life stress in severe mental disorders based on specific or general cognitive functioning?
    Monica Aas
    Institute of Clinical Medicine, University of Oslo, Norway
    Psychiatry Res 198:495-500. 2012
  7. doi request reprint Intron 12 in NTRK3 is associated with bipolar disorder
    Lavinia Athanasiu
    Department of Psychiatry, Oslo University Hospital Ulleval, Oslo, Norway
    Psychiatry Res 185:358-62. 2011
  8. pmc Clinical characteristics in schizophrenia patients with or without suicide attempts and non-suicidal self-harm--a cross-sectional study
    Erlend Mork
    National Centre for Suicide Research and Prevention, Institute of Clinical Medicine, University of Oslo, Sognsvannsveien 21, 0372 Oslo, Norway
    BMC Psychiatry 13:255. 2013
  9. doi request reprint The combined predictive effect of patient characteristics and alliance on long-term dynamic and interpersonal functioning after dynamic psychotherapy
    Anne Grete Hersoug
    Institute of Clinical Medicine Vinderen, University of Oslo, Norway
    Clin Psychol Psychother 20:297-307. 2013
  10. pmc Serotonin transporter gene polymorphism, childhood trauma, and cognition in patients with psychotic disorders
    Monica Aas
    Institute of Clinical Medicine, University of Oslo, Oslo, Norway
    Schizophr Bull 38:15-22. 2012

Detail Information

Publications29

  1. ncbi request reprint Predictors of change after long-term analytic group psychotherapy
    Steinar Lorentzen
    Institute of Psychiatry, University of Oslo, Aker University Hospital, Sognsvannsveien 21, N 032 Oslo, Norway
    J Clin Psychol 61:1541-53. 2005
    ..More studies should examine patient aptitude and the significance of the time factor (Aptitude-Treatment Interaction [ATI-effects])...
  2. doi request reprint Psychodynamic group psychotherapy: impact of group length and therapist professional characteristics on development of therapeutic alliance
    Steinar Lorentzen
    Institute of Clinical Medicine, University of Oslo, Oslo, Norway
    Clin Psychol Psychother 19:420-33. 2012
    ..Little research has been done on therapeutic alliance in group psychotherapy, especially the impact of treatment duration and therapist professional characteristics...
  3. doi request reprint Practice-based evidence: patients who did not respond to group analysis
    Steinar Lorentzen
    Institute of Clinical Medicine, Medical Faculty, University of Oslo and Oslo University Hospital, Aker in Oslo, Norway
    Int J Group Psychother 61:366-95. 2011
    ..Based on detailed case stories, attempts are made to tease out idiographic hypotheses why each patient did not change during group analysis...
  4. ncbi request reprint Cohesion, Alliance, and outcome in group psychotherapy: comments on Joyce et al. (2007) and Johnson (2007)
    Steinar Lorentzen
    Institute of Psychiatry, University of Oslo, Oslo, Norway
    Int J Group Psychother 58:403-9. 2008
  5. doi request reprint High prevalence of childhood trauma in patients with schizophrenia spectrum and affective disorder
    Sara Larsson
    Department of Research and Development, Clinic of Mental Health and Addiction, Oslo University Hospital, Oslo, Norway
    Compr Psychiatry 54:123-7. 2013
    ....
  6. doi request reprint Is cognitive impairment following early life stress in severe mental disorders based on specific or general cognitive functioning?
    Monica Aas
    Institute of Clinical Medicine, University of Oslo, Norway
    Psychiatry Res 198:495-500. 2012
    ..Moreover, these dysfunctions seem to be driven by underlying deficits in general cognitive tasks as measured by the WASI...
  7. doi request reprint Intron 12 in NTRK3 is associated with bipolar disorder
    Lavinia Athanasiu
    Department of Psychiatry, Oslo University Hospital Ulleval, Oslo, Norway
    Psychiatry Res 185:358-62. 2011
    ....
  8. pmc Clinical characteristics in schizophrenia patients with or without suicide attempts and non-suicidal self-harm--a cross-sectional study
    Erlend Mork
    National Centre for Suicide Research and Prevention, Institute of Clinical Medicine, University of Oslo, Sognsvannsveien 21, 0372 Oslo, Norway
    BMC Psychiatry 13:255. 2013
    ....
  9. doi request reprint The combined predictive effect of patient characteristics and alliance on long-term dynamic and interpersonal functioning after dynamic psychotherapy
    Anne Grete Hersoug
    Institute of Clinical Medicine Vinderen, University of Oslo, Norway
    Clin Psychol Psychother 20:297-307. 2013
    ..Clinical implications are discussed...
  10. pmc Serotonin transporter gene polymorphism, childhood trauma, and cognition in patients with psychotic disorders
    Monica Aas
    Institute of Clinical Medicine, University of Oslo, Oslo, Norway
    Schizophr Bull 38:15-22. 2012
    ..We hypothesize that 5-HTTLPR variations and long-term effects of childhood trauma interact and contribute to some of the variation in cognitive dysfunction seen in patients with psychotic disorders...
  11. doi request reprint Increased systemic cortisol metabolism in patients with schizophrenia and bipolar disorder: a mechanism for increased stress vulnerability?
    Nils Eiel Steen
    Section for Psychosis Research, Clinic of Mental Health and Addiction, Oslo University Hospital, Oslo, Norway
    J Clin Psychiatry 72:1515-21. 2011
    ....
  12. doi request reprint Self-harm in patients with schizophrenia spectrum disorders
    Erlend Mork
    National Centre for SuicideResearch and Prevention, Institute ofClinical Medicine, University of Oslo, Oslo, Norway
    Arch Suicide Res 16:111-23. 2012
    ..We conclude that while self-harm in patients with schizophrenia spectrum disorders is highly prevalent in both genders, risk factors in men and women differ in several important ways...
  13. ncbi request reprint Age at onset of bipolar disorder in a Norwegian catchment area sample
    Sara Larsson
    Institute of Psychiatry, University of Oslo, Oslo, Norway
    J Affect Disord 124:174-7. 2010
    ..In addition, we examined whether age at onset influenced on time to first treatment, and if patient characteristics related to illness severity influenced age at onset...
  14. doi request reprint BDNF val66met modulates the association between childhood trauma, cognitive and brain abnormalities in psychoses
    Monica Aas
    Institute of Clinical Medicine, University of Oslo, Norway Psychosis Research Unit, Division of Mental Health and Addiction, Oslo University Hospital, Oslo, Norway Electronic address
    Prog Neuropsychopharmacol Biol Psychiatry 46:181-8. 2013
    ....
  15. doi request reprint Comparison of short- and long-term dynamic group psychotherapy: randomised clinical trial
    Steinar Lorentzen
    Steinar Lorentzen, MD, PhD, Department for Research and Development, Clinic for Mental Health and Addiction, Oslo University Hospital, and Institute of Clinical Medicine, University of Oslo Torleif Ruud, MD, PhD, Department for Research and Development, Division of Mental Health Services, Akershus University Hospital, Lørenskog, and Institute of Clinical Medicine, University of Oslo Anette Fjeldstad, MD, Department of Research and Development, Clinic for Mental Health and Addiction, Oslo University Hospital Per Høglend, MD, PhD, Institute of Clinical Medicine, University of Oslo, Oslo, Norway
    Br J Psychiatry 203:280-7. 2013
    ..There are no randomised clinical trials comparing the outcomes of short- with long-term psychodynamic group psychotherapy...
  16. doi request reprint Altered systemic cortisol metabolism in bipolar disorder and schizophrenia spectrum disorders
    Nils Eiel Steen
    KG Jebsen Centre for Psychosis Research, Division of Mental Health and Addiction, Oslo University Hospital, Oslo, Norway Institute of Clinical Medicine, University of Oslo, Oslo, Norway Drammen District Psychiatric Center, Clinic of Mental Health and Addiction, Vestre Viken Hospital Trust, Drammen, Norway Electronic address
    J Psychiatr Res 52:57-62. 2014
    ..The design makes it impossible to determine the direction of the effect. However, the findings merit further study of cortisol metabolism as a possible component in the HPA axis dysfunction and pathophysiology of BD and SCZ...
  17. ncbi request reprint Predictors of change during long-term analytic group psychotherapy
    Steinar Lorentzen
    Psychiatric Institute, University of Oslo, Oslo, Norway
    Psychother Psychosom 73:25-35. 2004
    ..Therefore, we wanted to study predictors of outcome in an observational study of 69 out-patients treated in long-term, analytic group therapy (mean = 32.5 months)...
  18. doi request reprint Sex-specific cortisol levels in bipolar disorder and schizophrenia during mental challenge--relationship to clinical characteristics and medication
    Nils Eiel Steen
    Psychosis Research Unit, Division of Mental Health and Addiction, Oslo University Hospital, Ulleval Hospital, P O Box 4956 Nydalen, 0424 Oslo, Norway
    Prog Neuropsychopharmacol Biol Psychiatry 35:1100-7. 2011
    ....
  19. doi request reprint Neurocognitive functioning and suicidality in schizophrenia spectrum disorders
    Elizabeth A Barrett
    Department of Mental Health and Addiction, Oslo University Hospital, 0424 Oslo, Norway
    Compr Psychiatry 52:156-63. 2011
    ....
  20. pmc Osteoprotegerin levels in patients with severe mental disorders
    Sigrun Hope
    Department of Psychiatry, Østfold Hospital, Fredrikstad, Norway
    J Psychiatry Neurosci 35:304-10. 2010
    ..In the present study, we investigated whether osteoprotegerin (OPG), a member of the tumour necrosis factor receptor family involved in calcification and inflammation, is elevated in patients with severe mental disorders...
  21. ncbi request reprint Similar immune profile in bipolar disorder and schizophrenia: selective increase in soluble tumor necrosis factor receptor I and von Willebrand factor
    Sigrun Hope
    Department of Psychiatry, Østfold Hospital, Eidsberg, Norway
    Bipolar Disord 11:726-34. 2009
    ....
  22. doi request reprint Development of group climate in short- and long-term psychodynamic group psychotherapy
    Jan Vegard Bakali
    Clinic of Group Psychotherapy, Lovisenberg Diakonale Hospital, Oslo, Norway
    Int J Group Psychother 63:366-93. 2013
    ....
  23. doi request reprint A genome-wide association study of bipolar disorder in Norwegian individuals, followed by replication in Icelandic sample
    Srdjan Djurovic
    Institute of Psychiatry, University of Oslo, Oslo, Norway
    J Affect Disord 126:312-6. 2010
    ..In the present study we investigated genetic variants associated with bipolar disorder in a homogenous Norwegian sample, and potential genetic overlap with schizophrenia, using the Affymetrix 6.0 array...
  24. pmc Patterns of childhood adverse events are associated with clinical characteristics of bipolar disorder
    Sara Larsson
    Institute of Clinical Medicine, University of Oslo, Oslo, Norway
    BMC Psychiatry 13:97. 2013
    ....
  25. doi request reprint Interleukin 1 receptor antagonist and soluble tumor necrosis factor receptor 1 are associated with general severity and psychotic symptoms in schizophrenia and bipolar disorder
    Sigrun Hope
    KG Jebsen Centre for Psychosis Research, Institute of Clinical Medicine, University of Oslo, Oslo, Norway
    Schizophr Res 145:36-42. 2013
    ..We investigated if elevated inflammation was associated with disease severity (trait) or current symptom level (state), comparing psychotic with general characteristics...
  26. ncbi request reprint Therapeutic alliance, cohesion and outcome in a long-term analytic group. A preliminary study
    Steinar Lorentzen
    Psychiatric Insstitute, University of Oslo, Oslo, Norway
    Nord J Psychiatry 58:33-40. 2004
    ..An early concordance of patient and therapist alliance ratings predicted a better symptomatic outcome. The measures of therapeutic alliance and cohesion used in this study seem to address different elements in the group process...
  27. ncbi request reprint Change during and after long-term analytic group psychotherapy
    Steinar Lorentzen
    University of Oslo, Norway
    Int J Group Psychother 52:419-29. 2002
    ..5 months. The patients improved significantly during treatment, up to 30 months, on all measures. The improvement continued during the follow-up period. Sixty to 86% of the patients were recovered or significantly changed at follow-up...
  28. ncbi request reprint Block-training in group psychotherapy in the Baltic States: Experiences from three years of training
    Steinar Lorentzen
    Psychiatric Institute, University of Oslo, PO Box 85 Vinderen, NO 0319 Oslo, Norway
    Nord J Psychiatry 56:145-50. 2002
    ..Experiences from the first three years of training are presented...
  29. doi request reprint Moderators of the effects of treatment length in long-term psychodynamic group psychotherapy
    Steinar Lorentzen
    Psychother Psychosom 77:321-2. 2008