Cristin

2024
1.	Malkomsen, Anders; Røssberg, Jan Ivar; Dammen, Toril; Wilberg, Theresa; Løvgren, André; Ulberg, Randi; Evensen, Julie Horgen. “It takes time to see the whole picture”: patients’ views on improvement in cognitive behavioral therapy and psychodynamic therapy after three years. Frontiers in Psychiatry 2024 ;Volume 15. p. - UiO OUS DIAKON Untitled
2023
2.	Kvarstein, Elfrida Hartveit; Frøyhaug, Mathias; Skjeklesæther-Pettersen, Mona; Carlsen, Sara; Ekberg, Andreas; Fjermestad-Noll, Jane; Ulvestad, Dag Anders; Gikling, Elisabeth; Hjermann, Eirik; Lindberget, Kenneth; Omvik, Siri; Eikenæs, Ingeborg Helene Ulltveit-Moe; Hummelen, Benjamin; Morken, Katharina Teresa Enehaug; Wilberg, Theresa; Pedersen, Geir Arild Feigum. Improvement of personality functioning among people treated within personality disorder mental health services. A longitudinal, observational study. Frontiers in Psychiatry 2023 ;Volume 14. p. - UiB UNN AHUS SSHF OUS HAUKELAND UiO DIAKON Untitled

3.	Sveen, Carl-Aksel; Pedersen, Geir Arild Feigum; Ulvestad, Dag Anders; Zahl, Kjell-Einar; Wilberg, Theresa; Kvarstein, Elfrida Hartveit. Societal costs of personality disorders: A cross-sectional multicenter study of treatment-seeking patients in mental health services in Norway. Journal of Clinical Psychology 2023 ;Volume 79.(8) p. 1752-1769 VV UiO OUS AHUS Untitled

4.	Sveen, Carl-Aksel; Pedersen, Geir Arild Feigum; Ulvestad, Dag Anders; Zahl, Kjell-Einar; Wilberg, Theresa; Kvarstein, Elfrida Hartveit. Societal costs of personality disorders among treatment-seeking patients in Norway: the relative contribution of specific DSM-5 categories. European Archives of Psychiatry and Clinical Neuroscience 2023 VV UiO OUS AHUS Untitled

5.	Wilberg, Theresa; Pedersen, Geir Arild Feigum; Bremer, Kjetil; Johansen, Merete Selsbakk; Kvarstein, Elfrida Hartveit. Combined group and individual therapy for patients with avoidant personality disorder—A pilot study. Frontiers in Psychiatry 2023 ;Volume 14. p. - UiO OUS Untitled

6.	Øvstebø, Randi Breivik; Pedersen, Geir Arild Feigum; Wilberg, Theresa; Røssberg, Jan Ivar; Dahl, Hanne-Sofie Johnsen; Kvarstein, Elfrida Hartveit. Countertransference in the treatment of patients with personality disorders: A longitudinal study. Psychotherapy Research 2023 p. - UiO OUS Untitled
2022
7.	Hummelen, Benjamin; Eikenæs, Ingeborg Helene Ulltveit-Moe; Wilberg, Theresa. Is the Alternative Model for Personality Disorders Able to Capture Avoidant Personality Disorder According to Section II of the DSM–5? A Systematic Review. Personality Disorders: Theory, Research, and Treatment 2022 ;Volume 13.(4) p. 412-417 UiO OUS Untitled

8.	Malkomsen, Anders; Røssberg, Jan Ivar; Dammen, Toril; Wilberg, Theresa; Løvgren, André; Ulberg, Randi; Evensen, Julie Horgen. How therapists in cognitive behavioral and psychodynamic therapy reflect upon the use of metaphors in therapy: a qualitative study. BMC Psychiatry 2022 ;Volume 22.(1) p. - OUS UiO DIAKON Untitled

9.	Pedersen, Geir Arild Feigum; Wilberg, Theresa; Hummelen, Benjamin; Kvarstein, Elfrida Hartveit. The Norwegian network for personality disorders–development, contributions and challenges through 30 years. Nordic Journal of Psychiatry 2022 p. - UiO OUS Untitled

10.	Stänicke, Line Indrevoll; Arnevik, Espen Ajo; Pettersen, Mona Skjeklesæther; Baltzersen, Åse-Line; Zahl, Kjell-Einar; Eikenæs, Ingeborg Helene Ulltveit-Moe; Pedersen, Geir Arild Feigum; Wilberg, Theresa; Kvarstein, Elfrida Hartveit. The importance of feeling remembered during the Covid-19 crisis–A qualitative study of experiences among patients with personality disorders. Nordic Psychology 2022 AHUS LDS UiO OUS UNN Untitled

11.	Ulvestad, Dag Anders; Johansen, Merete Selsbakk; Kvarstein, Elfrida Hartveit; Pedersen, Geir Arild Feigum; Wilberg, Theresa. A borderline focused Reflective Functioning measure–Interrater reliability of the Mentalization Breakdown Interview. Nordic Journal of Psychiatry 2022 p. - OUS UiO Untitled

12.	Wilberg, Theresa; Eikenæs, Ingeborg Helene Ulltveit-Moe. Å ønske, men ikke våge Om engstelig unnvikende personlighetsproblemer. Gyldendal Norsk Forlag A/S 2022 (ISBN 9788205554641) 264 p. SIV UiO Untitled

13.	Zahl, Kjell-Einar; Pedersen, Geir Arild Feigum; Eikenæs, Ingeborg Helene Ulltveit-Moe; Stänicke, Line Indrevoll; Wilberg, Theresa; Baltzersen, Åse-Line; Pettersen, Mona Skjeklesæther; Hummelen, Benjamin; Arnevik, Espen Ajo; Johansen, Merete Selsbakk; Kvarstein, Elfrida Hartveit. Avoidant and borderline personality disorder patients during the first Covid-19 wave in Norway – a survey-based comparison of therapy changes and patients’ accommodations. Nordic Journal of Psychiatry 2022 p. - OUS LDS UiO AHUS UNN Untitled
2021
14.	Kvarstein, Elfrida Hartveit; Antonsen, Bjørnar Torske; Klungsøyr, Ole; Pedersen, Geir Arild Feigum; Wilberg, Theresa. A Longitudinal, Observational Study Investigating Predictors of Change in a Clinical Sample. Personality Disorders: Theory, Research, and Treatment 2021 LDS UiO OUS Untitled

15.	Kvarstein, Elfrida Hartveit; Zahl, Kjell_Einar; Stänicke, Line Indrevoll; Pettersen, Mona Skjeklesæther; Baltzersen, Åse-Line; Johansen, Merete Selsbakk; Eikenæs, Ingeborg Helene Ulltveit-Moe; Arnevik, Espen Kristian Ajo; Hummelen, Benjamin; Wilberg, Theresa; Pedersen, Geir Arild Feigum. Vulnerability of personality disorder during the Covid-19 crises – a multicenter survey of treatment experiences among patients referred to treatment. Nordic Journal of Psychiatry 2021 ;Volume 76.(1) p. 52-63 UNN AHUS UiO OUS Untitled

16.	Kvarstein, Elfrida Hartveit; Zahl, Kjell_Einar; Stänicke, Line Indrevoll; Pettersen, MS; Baltzersen, Åse-Line; Johansen, Merete Selsbakk; Eikenæs, Ingeborg Helene Ulltveit-Moe; Hummelen, Benjamin; Wilberg, Theresa; Arnevik, Espen Kristian Ajo; Pedersen, Geir Arild Feigum. Vulnerability of personality disorder during COVID-19 crises: a multicenter survey of mental and social distress among patients referred to treatment.. Nordic Journal of Psychiatry 2021 OUS UiO SIV AHUS Untitled

17.	Malkomsen, Anders; Røssberg, Jan Ivar; Dammen, Toril; Wilberg, Theresa; Løvgren, André; Evensen, Julie Horgen. The synergistic process of improvement in cognitive behavioral therapy for major depression. International Journal of Environmental Research and Public Health (IJERPH) 2021 ;Volume 18.(5) p. 1-17 OUS UiO Untitled

18.	Malkomsen, Anders; Røssberg, J.I.; Dammen, T.; Wilberg, T.; Løvgren, A.; Ulberg, R.; Evensen, J.. Digging down or scratching the surface: how patients use metaphors to describe their experiences of psychotherapy. BMC Psychiatry 2021 ;Volume 21.(1) p. 1-12 OUS UiO DIAKON Untitled

19.	Paap, Muirne C. S.; Heltne, Aleksander; Pedersen, Geir Feigum; Germans Selvik, Sara; Frans, Niek; Wilberg, Theresa; Hummelen, Benjamin. More Is More: Evidence for the Incremental Value of the SCID-II/SCID-5-PD Specific Factors Over and Above a General Personality Disorder Factor. Personality Disorders: Theory, Research, and Treatment 2021 ;Volume 13.(2) p. 108-118 HNT UiO NTNU OUS Untitled

20.	Pedersen, Geir Arild Feigum; Normann, Eivind; Eikenæs, Ingeborg Helene Ulltveit-Moe; Kvarstein, Elfrida Hartveit; Wilberg, Theresa. Psychometric evaluation of the Norwegian Toronto Alexithymia Scale (TAS-20) in a multi-site clinical sample of patients with personality disorders and personality problems. Journal of Clinical Psychology 2021 p. - OUS UiO Untitled

21.	Pedersen, Geir Feigum; Kvarstein, Elfrida Hartveit; Wilberg, Theresa; Folmo, Espen; Burlingame, Gary M.; Lorentzen, Steinar. The Group Questionnaire (GQ)—Psychometric Properties Among Outpatients With Personality Disorders. Group Dynamics 2021 UiO OUS Untitled

22.	Pettersen, Mona Skjeklesæther; Moen, Anne; Børøsund, Elin; Wilberg, Theresa. Therapists’ experiences with mentalization-based treatment for avoidant personality disorder. European Journal for Qualitative Research in Psychotherapy (EJQRP) 2021 ;Volume 11. p. 143-159 OUS UiO UNN Untitled

23.	Røssberg, Jan Ivar; Evensen, Julie Horgen; Dammen, Toril; Wilberg, Theresa; Klungsøyr, Ole; Jones, Maria-Helene; Bøen, Erlend; Egeland, Randi; Breivik, Randi; Løvgren, André; Ulberg, Randi. Mechanisms of change and heterogeneous treatment effects in psychodynamic and cognitive behavioural therapy for patients with depressive disorder: a randomized controlled trial. BMC Psychology 2021 ;Volume 9. p. 1-14 UiO OUS DIAKON Untitled

24.	Sørensen, Kristine Dahl; Wilberg, Theresa; Bremer, Kjetil. Subjective experiences of change after attending a treatment program for avoidant personality disorder. congress; 2021-11-11 - 2021-11-13 SSHF UiO Untitled
2020
25.	Breivik, Randi; Wilberg, Theresa; Evensen, Julie Horgen; Røssberg, Jan Ivar; Dahl, Hanne-Sofie Johnsen; Pedersen, Geir Feigum. Countertransference feelings and personality disorders: a psychometric evaluation of a brief version of the Feeling Word Checklist (FWC-BV). BMC Psychiatry 2020 ;Volume 20.(1) p. 1-12 UiO OUS SIV Untitled

26.	Kvarstein, Elfrida H; Folmo, Espen; Antonsen, Bjørnar Torske; Normann, Eivind; Pedersen, Geir; Wilberg, Theresa. Social Cognition Capacities as Predictors of Outcome in Mentalization-Based Treatment (MBT). Frontiers in Psychiatry 2020 ;Volume 11. p. 1-12 UiO OUS LDS Untitled

27.	Kvarstein, Elfrida Hartveit; Folmo, Espen Jan; Antonsen, Bjørnar Torske; Norman-Eide, Eivind; Pedersen, Geir Arild Feigum; Wilberg, Theresa. Social Cognition Capacities as Predictors of Outcome in Mentalization-Based Treatment (MBT). Frontiers in Psychiatry 2020 UiO Untitled

28.	Paap, Muirne C.S.; Hummelen, Benjamin; Braeken, Johan; Arnevik, Espen Kristian Ajo; Walderhaug, Espen; Wilberg, Theresa; Berghuis, Han; Hutsebaut, Joost; Pedersen, Geir Feigum. A multi-center psychometric evaluation of the Severity Indices of Personality Problems 118 (SIPP-118): Do we really need all those facets?. Quality of Life Research 2020 ;Volume 30.(2) p. 567-575 OUS UiO Untitled

29.	Simonsen, Sebastian; Eikenæs, Ingeborg Helene Ulltveit-Moe; Bach, Bo; Kvarstein, Elfrida H; Gondan, Matthias; Bjerrum Møller, Stine; Wilberg, Theresa. Level of alexithymia as a measure of personality dysfunction in avoidant personality disorder. Nordic Journal of Psychiatry 2020 UiO OUS Untitled

30.	Sørensen, Kristine Dahl; Wilberg, Theresa; Berthelsen, Eivind; Råbu, Marit. Subjective experience of the origin and development of avoidant personality disorder. Journal of Clinical Psychology 2020 p. - SSHF UiO OUS Untitled
2019
31.	Arnevik, Espen Kristian Ajo; Pedersen, Geir Feigum; Walderhaug, Espen; Lien, Ingebjørg Aspeland; Wilberg, Theresa; Hummelen, Benjamin. Measuring personality problems in patients with substance use disorders: A cross-sample validation. Journal of Dual Diagnosis (JDD) 2019 ;Volume 15.(4) p. 324-332 OUS UiO NLSH Untitled

32.	Kvarstein, Elfrida H; Pedersen, Geir Feigum; Folmo, Espen; Urnes, Øyvind; Hummelen, Benjamin; Wilberg, Theresa; Karterud, Sigmund; Johansen, Merete Selsbakk. Mentalization-based treatment or psychodynamic treatment programs for patients with borderline personality disorder – the impact of clinical severity.. Psychology and Psychotherapy: Theory, Research and Practice 2019 ;Volume 92.(1) p. 91-111 UiO OUS Untitled

33.	Normann, Eivind; Antonsen, Bjørnar Torske; Kvarstein, Elfrida H; Pedersen, Geir Feigum; Vaskinn, Anja; Wilberg, Theresa. Are impairments in theory of mind specific to borderline personality disorder?. Journal of Personality Disorders 2019 ;Volume 34.(6) p. 827-841 OUS SIV LDS UiO Untitled

34.	Simonsen, Sebastian; Bateman, Anthony; Bohus, Martin; Dalewijk, Henk-Jan; Doering, Stephan.; Kaera, Andres; Moran, Paul; Renneberg, Babette; Ribaudi, Joaquim Soler; Taubner, Svenja; Wilberg, Theresa; Mehlum, Lars. European guidelines for personality disorders: past, present and future. Borderline personality disorder and emotion dysregulation (BPDED) 2019 UiO OUS Untitled

35.	Sørensen, Kristine Dahl; Wilberg, Theresa; Berthelsen, Eivind; Råbu, Marit. Lived Experience of Treatment for Avoidant Personality Disorder: Searching for Courage to Be. Frontiers in Psychology 2019 ;Volume 10. UiO OUS SSHF Untitled
2018
36.	Johansen, Merete Selsbakk; Karterud, Sigmund; Normann, Eivind; Rø, Frida Gullestad; Kvarstein, Elfrida H; Wilberg, Theresa. The relationship between reflective functioning and affect consciousness in patients with avoidant and borderline personality disorders. Psychoanalytic psychology 2018 ;Volume 35.(4) p. 382-393 OUS UiO Untitled

37.	Mehlum, Lars; Bateman, Anthony; Dalewijk, Henk-Jan; Doering, Stephan.; Kaera, Andres; Moran, Paul; Renneberg, Babette; Ribaudi, Joaquim Soler; Simonsen, Sebastian; Wilberg, Theresa; Bohus, Martin. Building a strong European alliance for personality disorder research and intervention. Borderline personality disorder and emotion dysregulation (BPDED) 2018 (2) UiO OUS Untitled

38.	Pedersen, Geir Feigum; Urnes, Øyvind; Hummelen, Benjamin; Wilberg, Theresa; Kvarstein, Elfrida H. Revised manual for the Global Assessment of Functioning scale. European psychiatry 2018 ;Volume 51. p. 16-19 UiO OUS Untitled

39.	Simonsen, Sebastian; Eikenæs, Ingeborg Helene; Nørgaard, Nana Lund; Normann, Eivind; Juul, Sophie; Wilberg, Theresa. Specialized Treatment for Patients with Severe Avoidant Personality Disorder: Experiences from Scandinavia. Journal of Contemporary Psychotherapy 2018 p. 1-12 SIV UiO OUS Untitled

40.	Sørensen, Kristine Dahl; Råbu, Marit; Wilberg, Theresa; Berthelsen, Eivind. Struggling to be a person: Lived experience of avoidant personality disorder. Journal of Clinical Psychology 2018 ;Volume 1.(17) p. 1-17 SSHF OUS UiO Untitled

41.	Wilberg, Theresa. The neurobiological basis of avoidant personality disorder. I: Neurobiology of personality disorders. Oxford University Press 2018 ISBN 9780199362318. OUS UiO Untitled
2017
42.	Antonsen, Bjørnar Torske; Kvarstein, Elfrida H; Urnes, Øyvind; Hummelen, Benjamin; Karterud, Sigmund; Wilberg, Theresa. Favourable outcome of long-term combined psychotherapy for patients with borderline personality disorder: Six-year follow-up of a randomized study. Psychotherapy Research 2017 ;Volume 27.(1) p. 51-63 OUS UiO Untitled

43.	Homqvist, Rolf; Nissen-Lie, Helene A; Jørgensen, Carsten René; Broberg, Anders; Gustavsson, Per; Hau, Stephan; Høglend, Per Andreas; Johansson, Håkan; Leiman, Mikael; Lorentzen, Steinar; Philips, Bjorn; Poulsen, Stig; Rønnestad, Michael Helge; Sandahl, Christian; Sandell, Rolf; Varvin, Sverre; Wilberg, Theresa. Enfäldiga riktlinjer för behandling av depression. Dagens nyheter 2017 OSLOMET UiO Untitled

44.	Karterud, Sigmund; Urnes, Øyvind; Wilberg, Theresa. Personlighetspsykiatri. Gyldendal Norsk Forlag A/S 2017 (ISBN 9788205494626) 533 p. OUS UiO Untitled

45.	Klungsøyr, Ole; Antonsen, Bjørnar Torske; Wilberg, Theresa. Contours of a causal feedback mechanism between adaptive personality and psychosocial function in patients with personality disorders: A secondary analysis from a randomized clinical trial. BMC Psychiatry 2017 ;Volume 17:210. p. 1-13 OUS UiO Untitled

46.	Kvarstein, Elfrida H; Nordviste, Ola; Dragland, Lone Irene; Wilberg, Theresa. Outpatient psychodynamic group psychotherapy – outcomes related to personality disorder, severity, age and gender. Personality and Mental Health 2017 ;Volume 11.(1) p. 37-50 OUS UiO DIAKON Untitled

47.	Paap, Muirne C. S.; Braeken, Johan; Pedersen, Geir Feigum; Urnes, Øyvind; Karterud, Sigmund; Wilberg, Theresa; Hummelen, Benjamin. A Psychometric Evaluation of the DSM-IV Criteria for Antisocial Personality Disorder: Dimensionality, Local Reliability, and Differential Item Functioning Across Gender. Assessment (ASM) 2017 UiO OUS Untitled

48.	Pedersen, Geir Feigum; Arnevik, Espen Kristian; Hummelen, Benjamin; Walderhaug, Espen; Wilberg, Theresa. Psychometric properties of the severity indices of personality problems (sipp) in two samples a norwegian community sample and clinical samples of patients with and without personality disorders. European Journal of Psychological Assessment 2017 ;Volume 35.(5) p. 698-711 UiO OUS Untitled

49.	Pedersen, Geir Feigum; Kvarstein, Elfrida H; Wilberg, Theresa. The Work and Social Adjustment Scale: Psychometric properties and validity among males and females, and outpatients with and without personality disorders. Personality and Mental Health 2017 ;Volume 11.(4) p. 215-228 UiO OUS Untitled
2016
50.	Antonsen, Bjørnar Torske; Johansen, Merete Selsbakk; Rø, Frida Gullestad; Kvarstein, Elfrida H; Wilberg, Theresa. Is reflective functioning associated with clinical symptoms and long-term course in patients with personality disorders?. Comprehensive Psychiatry 2016 ;Volume 64. p. 46-58 OUS UiO Untitled

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