Geir Pedersen

Summary

Affiliation: University of Oslo
Country: Norway

Publications

  1. ncbi request reprint Associations between patient characteristics and ratings of treatment milieu
    Geir Pedersen
    Norwegian Network of Psychotherapeutic Day Hospitals, Ullevaal University Hospital, Oslo, Norway
    Nord J Psychiatry 61:271-8. 2007
  2. doi request reprint The symptom and function dimensions of the Global Assessment of Functioning (GAF) scale
    Geir Pedersen
    Division of Mental Health and Addiction, Oslo University Hospital, Ullevaal, PO Box 4956 Nydalen, 0424 Oslo, Norway
    Compr Psychiatry 53:292-8. 2012
  3. doi request reprint Interpersonal problems: self-therapist agreement and therapist consensus
    G Pedersen
    Oslo University Hospital
    J Clin Psychol 67:308-17. 2011
  4. ncbi request reprint Generalizability studies of the Global Assessment of Functioning-Split version
    Geir Pedersen
    Department of Personality Psychiatry, Ulleval University Hospital, 0407 Oslo, Norway
    Compr Psychiatry 48:88-94. 2007
  5. doi request reprint Substance use disorders among personality disordered patients admitted for day hospital treatment. Implications for service developments
    Sigmund Karterud
    Institute of Psychiatry, University of Oslo, Department of Personality Psychiatry, Ulleval University Hospital, Oslo, Norway
    Nord J Psychiatry 63:57-63. 2009
  6. doi request reprint Nineteen-month stability of Revised NEO Personality Inventory domain and facet scores in patients with personality disorders
    Theresa Wilberg
    Department for Research and Education, Psychiatric Division, Ulleval University Hospital, Oslo, Norway
    J Nerv Ment Dis 197:187-95. 2009
  7. ncbi request reprint A study of patients with personality disorder not otherwise specified
    Theresa Wilberg
    Department for Research and Education, Psychiatric Division, Ulleval University Hospital, 0407 Oslo, Norway
    Compr Psychiatry 49:460-8. 2008
  8. ncbi request reprint The quality of the DSM-IV obsessive-compulsive personality disorder construct as a prototype category
    Benjamin Hummelen
    Department of Research and Education, Psychiatric Division, Ulleval University Hospital, Oslo, Norway
    J Nerv Ment Dis 196:446-55. 2008
  9. doi request reprint Eating disorders in a large clinical sample of men and women with personality disorders
    Deborah L Reas
    Regional Eating Disorders Service, Division of Mental Health and Addiction, Oslo University Hospital, Norway
    Int J Eat Disord 46:801-9. 2013
  10. ncbi request reprint The relationship between avoidant personality disorder and social phobia
    Benjamin Hummelen
    Department for Research and Education, Psychiatric Division, Ulleval University Hospital, 0407 Oslo, Norway
    Compr Psychiatry 48:348-56. 2007

Collaborators

Detail Information

Publications26

  1. ncbi request reprint Associations between patient characteristics and ratings of treatment milieu
    Geir Pedersen
    Norwegian Network of Psychotherapeutic Day Hospitals, Ullevaal University Hospital, Oslo, Norway
    Nord J Psychiatry 61:271-8. 2007
    ..There seems to be no support as to making general inferences about or from individual ratings of the treatment milieu. Possible uses of individual evaluations of treatment milieu are discussed...
  2. doi request reprint The symptom and function dimensions of the Global Assessment of Functioning (GAF) scale
    Geir Pedersen
    Division of Mental Health and Addiction, Oslo University Hospital, Ullevaal, PO Box 4956 Nydalen, 0424 Oslo, Norway
    Compr Psychiatry 53:292-8. 2012
    ..Is there any need for revision with respect to the DSM, Fifth Edition?..
  3. doi request reprint Interpersonal problems: self-therapist agreement and therapist consensus
    G Pedersen
    Oslo University Hospital
    J Clin Psychol 67:308-17. 2011
    ..Some gender differences were revealed, but in terms of self-therapist agreement, no interaction with the therapists' length of clinical experience or acquaintance with the patient was found...
  4. ncbi request reprint Generalizability studies of the Global Assessment of Functioning-Split version
    Geir Pedersen
    Department of Personality Psychiatry, Ulleval University Hospital, 0407 Oslo, Norway
    Compr Psychiatry 48:88-94. 2007
    ..The study aimed to use the Generalizability Theory to investigate the reliability and precision of the split version of the Global Assessment of Functioning (GAF)...
  5. doi request reprint Substance use disorders among personality disordered patients admitted for day hospital treatment. Implications for service developments
    Sigmund Karterud
    Institute of Psychiatry, University of Oslo, Department of Personality Psychiatry, Ulleval University Hospital, Oslo, Norway
    Nord J Psychiatry 63:57-63. 2009
    ..Implications for the development of the PD and SUD services with respect to an integrated treatment for these comorbid conditions are discussed...
  6. doi request reprint Nineteen-month stability of Revised NEO Personality Inventory domain and facet scores in patients with personality disorders
    Theresa Wilberg
    Department for Research and Education, Psychiatric Division, Ulleval University Hospital, Oslo, Norway
    J Nerv Ment Dis 197:187-95. 2009
    ..The study indicates that the Five-Factor Model of personality dimensions and traits are fairly stable in patients with PDs. The lower stability of Neuroticism may partly be explained by its inherent state aspects...
  7. ncbi request reprint A study of patients with personality disorder not otherwise specified
    Theresa Wilberg
    Department for Research and Education, Psychiatric Division, Ulleval University Hospital, 0407 Oslo, Norway
    Compr Psychiatry 49:460-8. 2008
    ....
  8. ncbi request reprint The quality of the DSM-IV obsessive-compulsive personality disorder construct as a prototype category
    Benjamin Hummelen
    Department of Research and Education, Psychiatric Division, Ulleval University Hospital, Oslo, Norway
    J Nerv Ment Dis 196:446-55. 2008
    ..Alternative criteria could be related to problems in close relationships involving the need for predictability. Such revisions may add a third dimension to the 2 dimensions of perfectionism and aggressiveness...
  9. doi request reprint Eating disorders in a large clinical sample of men and women with personality disorders
    Deborah L Reas
    Regional Eating Disorders Service, Division of Mental Health and Addiction, Oslo University Hospital, Norway
    Int J Eat Disord 46:801-9. 2013
    ....
  10. ncbi request reprint The relationship between avoidant personality disorder and social phobia
    Benjamin Hummelen
    Department for Research and Education, Psychiatric Division, Ulleval University Hospital, 0407 Oslo, Norway
    Compr Psychiatry 48:348-56. 2007
    ..Our findings suggest that the severity continuum hypothesis lacks specificity and exploratory power to account for both similarities and differences between SP and APD...
  11. doi request reprint The impact of avoidant personality disorder on psychosocial impairment is substantial
    Theresa Wilberg
    Oslo University Hospital, Ulleval, Department of Psychiatry, Oslo, Norway
    Nord J Psychiatry 63:390-6. 2009
    ..Avoidant PD deserves more attention, both with respect to the specific psychopathology and dynamics underlying the disorder and the development of treatment approaches...
  12. doi request reprint Specific personality traits evoke different countertransference reactions: an empirical study
    Jan I Rossberg
    Psychiatric Division, Ullevaal University Hospital, N 0407 Oslo, Norway
    J Nerv Ment Dis 196:702-8. 2008
    ..This study confirms clinical narratives on relationships between the therapists' countertransference reactions and patients' reported interpersonal problems and outcome...
  13. ncbi request reprint Outpatient group psychotherapy following day treatment for patients with personality disorders
    Theresa Wilberg
    Department for Personality Disorders, Drug Addiction, and Liaison Psychiatry, Psychiatric Division, Ulleval University Hospital, 0407 Oslo, Norway
    J Pers Disord 17:510-21. 2003
    ..Implications for further treatment development are discussed...
  14. doi request reprint Why the factorial structure of the SCL-90-R is unstable: comparing patient groups with different levels of psychological distress using Mokken Scale Analysis
    Muirne C S Paap
    Department of Neuropsychiatry and Psychosomatic Medicine, Oslo University Hospital, Norway
    Psychiatry Res 200:819-26. 2012
    ..Subscale scores should be used with care in patient groups with low self-reported level of distress...
  15. ncbi request reprint A study of the dimensionality and measurement precision of the SCL-90-R using item response theory
    Muirne C S Paap
    Department of Neuropsychiatry and Psychosomatic Medicine, Oslo University Hospital, and Institute of Clinical Medicine, University of Oslo, Oslo, Norway
    Int J Methods Psychiatr Res 20:e39-55. 2011
    ..In conclusion, we found support for the multidimensionality of the SCL-90-R in a large sample of severely disturbed patients...
  16. ncbi request reprint Validity aspects of the Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition, narcissistic personality disorder construct
    Sigmund Karterud
    Oslo University Hospital, Ulleval, Department of Mental Health and Addiction, 0487 Oslo, Norway
    Compr Psychiatry 52:517-26. 2011
    ..The purpose of this study was to elucidate several validity aspects of the NPD construct...
  17. ncbi request reprint Psychiatric symptoms and countertransference feelings: an empirical investigation
    Jan Ivar Rossberg
    Psychiatric, Ullevaal University Hospital, Oslo, Norway
    Psychiatry Res 178:191-5. 2010
    ..This empirical study confirmed findings from the clinical literature of a specific relationship between symptom improvement and countertransference reactions...
  18. ncbi request reprint An empirical study of countertransference reactions toward patients with personality disorders
    Jan Ivar Rossberg
    Psychiatric Division, Ullevaal University Hospital, 0407 Oslo, Norway Institute of Psychiatry, University of Oslo, 0407 Oslo, Norway
    Compr Psychiatry 48:225-30. 2007
    ....
  19. pmc Step-down versus outpatient psychotherapeutic treatment for personality disorders: 6-year follow-up of the Ullevål personality project
    Bjørnar T Antonsen
    Institute for Clinical Medicine, University of Oslo, Oslo, Norway
    BMC Psychiatry 14:119. 2014
    ....
  20. doi request reprint Some suggestions for the DSM-5 schizotypal personality disorder construct
    Benjamin Hummelen
    Department for Research and Education, Division of Mental Health and Addiction, Oslo University Hospital, Oslo, Norway
    Compr Psychiatry 53:341-9. 2012
    ..Therefore, the SPD narrative should start by describing eccentricity and cognitive-perceptual aberrations rather than interpersonal difficulties...
  21. ncbi request reprint An investigation of the validity of the Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition avoidant personality disorder construct as a prototype category and the psychometric properties of the diagnostic criteria
    Benjamin Hummelen
    Department for Research and Education, Psychiatric Division, Ulleval University Hospital, 0407 Oslo, Norway
    Compr Psychiatry 47:376-83. 2006
    ..The Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition hierarchy of criteria was not supported...
  22. ncbi request reprint Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition, paranoid personality disorder diagnosis: a unitary or a two-dimensional construct?
    Erik Falkum
    The Research Department, Clinic of Mental Health, Aker University Hospital, 0320 Oslo, Norway
    Compr Psychiatry 50:533-41. 2009
    ..This article examines reliability and validity aspects of the Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition (DSM-IV) paranoid personality disorder (PPD) diagnosis...
  23. ncbi request reprint The quality of the Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition dependent personality disorder prototype
    Tore Gude
    Modum Bad, Research Institute, N 3370 Vikersund, Norway
    Compr Psychiatry 47:456-62. 2006
    ..The aim of this study was to investigate the quality of Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition dependent personality disorder (DPD) prototype with special reference to possible bidimensionality...
  24. doi request reprint The MBT Adherence and Competence Scale (MBT-ACS): Development, structure and reliability
    Sigmund Karterud
    a Department of Personality Psychiatry, Oslo University Hospital, Ullevaal, PB 4956 Nydalen, 0424 Oslo, Norway
    Psychother Res 23:705-17. 2013
    ..The MBT-ACS was found to be an appropriate rating measure for treatment fidelity and useful for the purposes of quality control and supervision. The reliability may be enhanced by redefining some items and reducing their numbers...
  25. ncbi request reprint Day treatment of patients with personality disorders: experiences from a Norwegian treatment research network
    Sigmund Karterud
    Department for Personality Psychiatry, Psychiatric Division, Ulleval University Hospital, Oslo, Norway
    J Pers Disord 17:243-62. 2003
    ..Results from the University unit were not better than those from units at local hospitals or mental health centers...
  26. ncbi request reprint When costs count: the impact of staff size, skill mix and treatment intensity on patient outcome for psychotherapeutic day treatment programmes
    Vidar Halsteinli
    SINTEF Health Research, N 7465 Trondheim, Norway
    Health Policy 86:255-65. 2008
    ..A positive location-specific effect was found in one unit attached to a university. Potential cost savings seem to be apparent with respect to staff size and, to some extent, skill mix...