Publications

Publications published since 2009 from OUS - Personality Disorders Research Unit

145 publications found

Publications 2024

  1. Broekhof R, Nordahl HM, Eikenæs IU, Selvik SG (2024)
    Adverse Childhood Experiences Are Associated With Personality Disorder: A Prospective, Longitudinal Study
    J Pers Disord, 38 (1), 19-33
    DOI 10.1521/pedi.2024.38.1.19, PubMed 38324247
  2. Dahl K, Bremer K, Wilberg T (2024)
    The significance of connectedness: avoidant personality disorder patients' subjective experiences of change after attending a specialized treatment program
    Front Psychol, 15, 1412665
    DOI 10.3389/fpsyg.2024.1412665, PubMed 39040961
  3. Eikeseth FF, Pedersen G, Hummelen B, Sütterlin S, Stubhaug A, Kvarstein E, Kvarstein G (2024)
    Pain prevalence rates and the mediating role of negative affect in adults referred to personality disorder treatment: A cross-sectional study
    J Pain, 104724 (in press)
    DOI 10.1016/j.jpain.2024.104724, PubMed 39481671
  4. Langjord T, Pedersen G, Bovim T, Bremer K, Christensen TB, Hove O, Kildahl AN, Mork E, Norheim AB, Ramleth RK, Romm KL, Siqveland J, Schønning T, Stänicke LI, Torgersen T, Pettersen MS, Tveit T, Urnes Ø, Walby FA, Kvarstein EH (2024)
    Evaluation of health services and treatment alliance among extensively hospitalized patients due to severe self-harm - results from the Extreme Challenges project
    Nord J Psychiatry, 78 (7), 591-602
    DOI 10.1080/08039488.2024.2376162, PubMed 39126325
  5. Ulvestad DA, Johansen MS, Kvarstein EH, Pedersen G, Wilberg T (2024)
    Minding mentalizing - convergent validity of the Mentalization Breakdown Interview
    Front Psychiatry, 15, 1380532
    DOI 10.3389/fpsyt.2024.1380532, PubMed 38974920
  6. Ulvestad DA, Johansen MS, Kvarstein EH, Pedersen G, Wilberg T (2024)
    Corrigendum: Minding mentalizing - convergent validity of the Mentalization Breakdown Interview
    Front Psychiatry, 15, 1479612
    DOI 10.3389/fpsyt.2024.1479612, PubMed 39234622
  7. Wichstrøm L, Wilberg T, Hartveit Kvarstein E, Steinsbekk S (2024)
    Childhood predictors of avoidant personality disorder traits in adolescence: a seven-wave birth cohort study
    J Child Psychol Psychiatry (in press)
    DOI 10.1111/jcpp.14064, PubMed 39496569
  8. Williams GL, Flens G, Terwee CB, de Beurs E, Spinhoven P, Paap MCS (2024)
    Extending the PROMIS item bank "ability to participate in social roles and activities": a psychometric evaluation using IRT
    Qual Life Res, 33 (8), 2129-2144
    DOI 10.1007/s11136-024-03666-4, PubMed 38780673

Publications 2023

  1. Frans N, Hummelen B, Albers CJ, Paap MCS (2023)
    Visualizing Uncertainty to Promote Clinicians' Understanding of Measurement Error
    Assessment, 30 (8), 2449-2460
    DOI 10.1177/10731911221147042, PubMed 36726201
  2. Heltne A, Frans N, Hummelen B, Falkum E, Germans Selvik S, Paap MCS (2023)
    A systematic review of measurement uncertainty visualizations in the context of standardized assessments
    Scand J Psychol, 64 (5), 595-608
    DOI 10.1111/sjop.12918, PubMed 37259691
  3. Kvarstein EH, Frøyhaug M, Pettersen MS, Carlsen S, Ekberg A, Fjermestad-Noll J, Ulvestad DA, Gikling EL, Hjermann E, Lindberget K, Omvik S, Eikenæs IU, Hummelen B, Morken KTE, Wilberg T, Pedersen GAF (2023)
    Improvement of personality functioning among people treated within personality disorder mental health services. A longitudinal, observational study
    Front Psychiatry, 14, 1163347
    DOI 10.3389/fpsyt.2023.1163347, PubMed 37229394
  4. Langjord T, Pedersen G, Bovim T, Christensen TB, Eikenæs IU, Hove O, Kildahl AN, Mork E, Norheim AB, Ramleth RK, Ringen PA, Romm KL, Siqveland J, Schønning T, Stänicke L, Torgersen T, Pettersen M, Tveit T, Urnes Ø, Walby F, Kvarstein EH (2023)
    Mental health disorders, functioning and health-related quality of life among extensively hospitalized patients due to severe self-harm - results from the Extreme Challenges project
    Front Psychiatry, 14, 1258025
    DOI 10.3389/fpsyt.2023.1258025, PubMed 37920539
  5. Paap MCS, Pedersen G, Kvarstein E, Hummelen B (2023)
    Evaluating the Construct Validity of the Norwegian Version of the Level of Personality Functioning Scale - Brief Form 2.0 in a Large Clinical Sample
    J Pers Assess, 106 (1), 49-59
    DOI 10.1080/00223891.2023.2182694, PubMed 36897004
  6. Sveen CA, Pedersen G, Hummelen B, Kvarstein EH (2023)
    Personality disorders: the impact of severity on societal costs
    Eur Arch Psychiatry Clin Neurosci (in press)
    DOI 10.1007/s00406-023-01715-6, PubMed 37991536
  7. Sveen CA, Pedersen G, Ulvestad DA, Zahl KE, Wilberg T, Kvarstein EH (2023)
    Societal costs of personality disorders: A cross-sectional multicenter study of treatment-seeking patients in mental health services in Norway
    J Clin Psychol, 79 (8), 1752-1769
    DOI 10.1002/jclp.23504, PubMed 36916214
  8. Sveen CA, Pedersen G, Ulvestad DA, Zahl KE, Wilberg T, Kvarstein EH (2023)
    Societal costs of personality disorders among treatment-seeking patients in Norway: the relative contribution of specific DSM-5 categories
    Eur Arch Psychiatry Clin Neurosci, 274 (1), 139-149
    DOI 10.1007/s00406-023-01655-1, PubMed 37598131
  9. Wilberg T, Pedersen G, Bremer K, Johansen MS, Kvarstein EH (2023)
    Combined group and individual therapy for patients with avoidant personality disorder-A pilot study
    Front Psychiatry, 14, 1181686
    DOI 10.3389/fpsyt.2023.1181686, PubMed 37215654
  10. Øvstebø RB, Pedersen G, Wilberg T, Røssberg JI, Dahl HSJ, Kvarstein EH (2023)
    Countertransference in the treatment of patients with personality disorders: A longitudinal study
    Psychother Res, 34 (8), 1051-1065
    DOI 10.1080/10503307.2023.2279645, PubMed 37963354

Publications 2022

  1. Faerden A, Rosenqvist C, Håkansson M, Strøm-Gundersen E, Stav Å, Svartsund J, Røssæg T, Davik N, Kvarstein E, Pedersen G, Dieset I, Nyrud AQ, Weedon-Fekjær H, Kistorp KM (2022)
    Environmental Transformations Enhancing Dignity in an Acute Psychiatric Ward: Outcome of a User-Driven Service Design Project
    HERD, 16 (2), 55-72
    DOI 10.1177/19375867221136558, PubMed 36567605
  2. Folmo EJ, Langjord T, Myhrvold NCS, Stänicke E, Lind M, Kvarstein EH (2022)
    Pedagogical stance in mentalization-based treatment
    J Clin Psychol, 78 (9), 1764-1784
    DOI 10.1002/jclp.23335, PubMed 35263445
  3. Frans N, Braeken J, Veldkamp BP, Paap MCS (2022)
    Empirical Priors in Polytomous Computerized Adaptive Tests: Risks and Rewards in Clinical Settings
    Appl Psychol Meas, 47 (1), 48-63
    DOI 10.1177/01466216221124091, PubMed 36425285
  4. Heltne A, Braeken J, Hummelen B, Germans Selvik S, Buer Christensen T, Paap MCS (2022)
    Do Flexible Administration Procedures Promote Individualized Clinical Assessments? An Explorative Analysis of How Clinicians Utilize the Funnel Structure of the SCID-5-AMPD Module I: LPFS
    J Pers Assess, 105 (5), 636-646
    DOI 10.1080/00223891.2022.2152344, PubMed 36511879
  5. Hummelen B, Ulltveit-Moe Eikenæs I, Wilberg T (2022)
    Is the alternative model for personality disorders able to capture avoidant personality disorder according to Section II of the DSM-5? A systematic review
    Personal Disord, 13 (4), 412-417
    DOI 10.1037/per0000553, PubMed 35787131
  6. Nysaeter TE, Hummelen B, Christensen TB, Eikenaes IU, Selvik SG, Pedersen G, Bender DS, Skodol AE, Paap MCS (2022)
    The Incremental Utility of Criteria A and B of the DSM-5 Alternative Model for Personality Disorders for Predicting DSM-IV/DSM-5 Section II Personality Disorders
    J Pers Assess, 105 (1), 111-120
    DOI 10.1080/00223891.2022.2039166, PubMed 35285763
  7. Pedersen G, Wilberg T, Hummelen B, Hartveit Kvarstein E (2022)
    The Norwegian network for personality disorders - development, contributions and challenges through 30 years
    Nord J Psychiatry, 77 (5), 512-520
    DOI 10.1080/08039488.2022.2147995, PubMed 36409693
  8. Ulvestad DA, Selsbakk Johansen M, Hartveit Kvarstein E, Pedersen G, Wilberg T (2022)
    A borderline focused Reflective Functioning measure - Interrater reliability of the Mentalization Breakdown Interview
    Nord J Psychiatry, 77 (4), 360-366
    DOI 10.1080/08039488.2022.2123040, PubMed 36244024
  9. Zahl KE, Pedersen G, Eikenaes IU, Stänicke LI, Wilberg T, Baltzersen ÅL, Pettersen MS, Hummelen B, Arnevik E, Johansen MS, Hartveit Kvarstein E (2022)
    Avoidant and borderline personality disorder patients during the first Covid-19 wave in Norway - a survey-based comparison of therapy changes and patients' accommodations
    Nord J Psychiatry, 77 (4), 336-344
    DOI 10.1080/08039488.2022.2110614, PubMed 35984379

Publications 2021

  1. Bach B, Eikenaes IU (2021)
    Transdiagnostic conceptualization of social avoidance through the lens of personality functioning and traits
    J Clin Psychol, 77 (5), 1249-1258
    DOI 10.1002/jclp.23160, PubMed 34003505
  2. Ditlefsen IT, Nissen-Lie HA, Andenaes A, Normann-Eide E, Johansen MS, Kvarstein EH (2021)
    "Yes, There Is Actually Hope!"-A Qualitative Investigation of How Patients Experience Mentalization-Based Psychoeducation Tailored for Borderline Personality Disorder
    J. Psychother. Integr., 31 (3), 257-276
    DOI 10.1037/int0000243
  3. Hartveit Kvarstein E, Zahl KE, Stänicke LI, Pettersen MS, Baltzersen ÅL, Johansen MS, Eikenæs IU, Hummelen B, Wilberg T, Ajo Arnevik E, Pedersen G (2021)
    Vulnerability of personality disorder during COVID-19 crises: a multicenter survey of mental and social distress among patients referred to treatment
    Nord J Psychiatry
    DOI 10.1080/08039488.2021.1942980, PubMed 34369842
  4. Heltne A, Bode C, Hummelen B, Falkum E, Selvik SG, Paap MCS (2021)
    Norwegian Clinicians' Experiences of Learnability and Usability of SCID-II, SCID-5-PD and SCID-5-AMPD-I Interviews: A Sequential Multi-Group Qualitative Approach
    J Pers Assess, 104 (5), 599-612
    DOI 10.1080/00223891.2021.1975726, PubMed 34546142
  5. Kvarstein EH, Antonsen BT, Klungsøyr O, Pedersen G, Wilberg T (2021)
    Avoidant personality disorder and social functioning: A longitudinal, observational study investigating predictors of change in a clinical sample
    Personal Disord, 12 (6), 594-605
    DOI 10.1037/per0000471, PubMed 33507789
  6. Kvarstein EH, Zahl KE, Stänicke LI, Pettersen MS, Baltzersen ÅL, Johansen MS, Eikenaes IU, Arnevik EA, Hummelen B, Wilberg T, Pedersen G (2021)
    Vulnerability of personality disorder during the Covid-19 crises - a multicenter survey of treatment experiences among patients referred to treatment
    Nord J Psychiatry, 76 (1), 52-63
    DOI 10.1080/08039488.2021.1934110, PubMed 34126854
  7. Pedersen G, Kvarstein EH, Wilberg T, Folmo EJ, Burlingame GM, Lorentzen S (2021)
    The Group Questionnaire (GQ)-Psychometric Properties Among Outpatients With Personality Disorders
    Group Dyn.-Theory Res. Pract.
    DOI 10.1037/gdn0000176
  8. Pedersen G, Normann-Eide E, Eikenaes IU, Kvarstein EH, Wilberg T (2021)
    Psychometric evaluation of the Norwegian Toronto Alexithymia Scale (TAS-20) in a multisite clinical sample of patients with personality disorders and personality problems
    J Clin Psychol, 78 (6), 1118-1136
    DOI 10.1002/jclp.23270, PubMed 34716595
  9. Paap MCS, Heltne A, Pedersen G, Germans Selvik S, Frans N, Wilberg T, Hummelen B (2021)
    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
    Personal Disord, 13 (2), 108-118
    DOI 10.1037/per0000426, PubMed 33600207
  10. Soe-Agnie S, Nijman HLI, De Jong CAJ, Paap MCS (2021)
    Exploring the predictive power of impulsivity measures in predicting self-reported and informant-reported inpatient disruptive behaviors
    J. Forensic Psychiatry Psychol., 32 (5), 697-714
    DOI 10.1080/14789949.2021.1891274
  11. Williams GL, de Beurs E, Spinhoven P, Flens G, Paap MCS (2021)
    Support for the higher-order factor structure of the WHODAS 2.0 self-report version in a Dutch outpatient psychiatric setting
    Qual Life Res, 30 (10), 2939-2949
    DOI 10.1007/s11136-021-02880-8, PubMed 34117613

Publications 2020

  1. Baltzersen ÅL (2020)
    Moving forward: closing the gap between research and practice for young people with BPD
    Curr Opin Psychol, 37, 77-81
    DOI 10.1016/j.copsyc.2020.08.008, PubMed 32916475
  2. Braeken J, Paap MCS (2020)
    Making Fixed-Precision Between-Item Multidimensional Computerized Adaptive Tests Even Shorter by Reducing the Asymmetry Between Selection and Stopping Rules
    Appl Psychol Meas, 44 (7-8), 531-547
    DOI 10.1177/0146621620932666, PubMed 34393302
  3. Breivik R, Wilberg T, Evensen J, Røssberg JI, Dahl HSJ, Pedersen G (2020)
    Countertransference feelings and personality disorders: a psychometric evaluation of a brief version of the Feeling Word Checklist (FWC-BV)
    BMC Psychiatry, 20 (1), 141
    DOI 10.1186/s12888-020-02556-6, PubMed 32228529
  4. Eikeseth FF, Sætren SS, Benjamin BR, Ulltveit-Moe Eikenæs I, Sütterlin S, Hummelen B (2020)
    The Test-Retest Reliability of Heart Rate Variability and Its Association With Personality Functioning
    Front Psychiatry, 11, 558145
    DOI 10.3389/fpsyt.2020.558145, PubMed 33329098
  5. Folmo EJ, Stänicke E, Johansen MS, Pedersen G, Kvarstein EH (2020)
    Development of therapeutic alliance in mentalization-based treatment-Goals, Bonds, and Tasks in a specialized treatment for borderline personality disorder
    Psychother Res, 31 (5), 604-618
    DOI 10.1080/10503307.2020.1831097, PubMed 33043816
  6. Hummelen B, Braeken J, Buer Christensen T, Nysaeter TE, Germans Selvik S, Walther K, Pedersen G, Eikenaes I, Paap MCS (2020)
    A Psychometric Analysis of the Structured Clinical Interview for the DSM-5 Alternative Model for Personality Disorders Module I (SCID-5-AMPD-I): Level of Personality Functioning Scale
    Assessment, 28 (5), 1320-1333
    DOI 10.1177/1073191120967972, PubMed 33155489
  7. Kvarstein EH, Folmo E, Antonsen BT, Normann-Eide E, Pedersen G, Wilberg T (2020)
    Social Cognition Capacities as Predictors of Outcome in Mentalization-Based Treatment (MBT)
    Front Psychiatry, 11, 691
    DOI 10.3389/fpsyt.2020.00691, PubMed 32792996
  8. Paap MCS, Hummelen B, Braeken J, Arnevik EA, Walderhaug E, Wilberg T, Berghuis H, Hutsebaut J, Pedersen G (2020)
    A multi-center psychometric evaluation of the Severity Indices of Personality Problems 118 (SIPP-118): Do we really need all those facets?
    Qual Life Res, 30 (2), 567-575
    DOI 10.1007/s11136-020-02654-8, PubMed 33029679
  9. Simonsen S, Eikenaes IU, Bach B, Kvarstein E, Gondan M, Møller SB, Wilberg T (2020)
    Level of alexithymia as a measure of personality dysfunction in avoidant personality disorder
    Nord J Psychiatry, 75 (4), 266-274
    DOI 10.1080/08039488.2020.1841290, PubMed 33146059
  10. Soe-Agnie SE, Paap MCS, Nijman HLI, De Jong CAJ (2020)
    Psychometric Properties of the Externalizing Spectrum Inventory: Replication and Extension across Clinical and Non-Clinical Samples
    J Pers Assess, 103 (3), 332-341
    DOI 10.1080/00223891.2020.1753752, PubMed 32329635

Publications 2019

  1. Arnevik EA, Pedersen G, Walderhaug E, Lien I, Wilberg T, Hummelen B (2019)
    Measuring Personality Problems in Patients With Substance Use Disorders: A Cross-Sample Validation
    J Dual Diagn, 15 (4), 324-332
    DOI 10.1080/15504263.2019.1668583, PubMed 31571533
  2. Beck E, Bo S, Jørgensen MS, Gondan M, Poulsen S, Storebø OJ, Fjellerad Andersen C, Folmo E, Sharp C, Pedersen J, Simonsen E (2019)
    Mentalization-based treatment in groups for adolescents with borderline personality disorder: a randomized controlled trial
    J Child Psychol Psychiatry, 61 (5), 594-604
    DOI 10.1111/jcpp.13152, PubMed 31702058
  3. Buer Christensen T, Eikenaes I, Hummelen B, Pedersen G, Nysæter TE, Bender DS, Skodol AE, Selvik SG (2019)
    Level of personality functioning as a predictor of psychosocial functioning-Concurrent validity of criterion A
    Personal Disord, 11 (2), 79-90
    DOI 10.1037/per0000352, PubMed 31580097
  4. Buer Christensen T, Hummelen B, Paap MCS, Eikenaes I, Selvik SG, Kvarstein E, Pedersen G, Bender DS, Skodol AE, Nysæter TE (2019)
    Evaluation of Diagnostic Thresholds for Criterion A in the Alternative DSM-5 Model for Personality Disorders
    J Pers Disord, 34 (Supplement C), 40-61
    DOI 10.1521/pedi_2019_33_455, PubMed 31682197
  5. Ekeberg O, Urnes O, Hem E, Kvarstein EH, Eikenaes IUM (2019)
    Patients with emotionally unstable personality disorder need appropriate emergency treatment
    Tidsskr. Nor. Laegeforen., 139 (15), 1442-1444
  6. Ekeberg O, Urnes O, Hem E, Kvarstein EH, Eikenaes IUM (2019)
    Suicidal patients with personality disorder
    Tidsskr. Nor. Laegeforen., 139 (15), 1445-1447
  7. Ekeberg Ø, Kvarstein EH, Urnes Ø, Eikenæs IU, Hem E (2019)
    Suicidal patients with personality disorder
    Tidsskr Nor Laegeforen, 139 (15)
    DOI 10.4045/tidsskr.19.0493, PubMed 31642623
  8. Ekeberg Ø, Kvarstein EH, Urnes Ø, Eikenæs IU, Hem E (2019)
    Patients with borderline personality disorder need tailored emergency care
    Tidsskr Nor Laegeforen, 139 (15)
    DOI 10.4045/tidsskr.19.0492, PubMed 31642629
  9. Ekeberg Ø, Urnes Ø, Kvarstein EH, Eikenæs IU, Hem E (2019)
    [Correction: Patients with borderline personality disorder need tailored emergency care]
    Tidsskr Nor Laegeforen, 139 (16)
    DOI 10.4045/tidsskr.19.0661, PubMed 31686482
  10. Folmo EJ, Karterud SW, Kongerslev MT, Kvarstein EH, Stanicke E (2019)
    Battles of the Comfort Zone: Modelling Therapeutic Strategy, Alliance, and Epistemic Trust-A Qualitative Study of Mentalization-Based Therapy for Borderline Personality Disorder
    J. Contemp. Psychother., 49 (3), 141-151
    DOI 10.1007/s10879-018-09414-3
  11. Karterud S, Kvarstein EH (2019)
    Misleading about MBT in Oslo
    BMC Psychiatry, 19
  12. Karterud S, Kvarstein EH (2019)
    Misleading about MBT in Oslo
    BMC Psychiatry, 19 (1), 208
    DOI 10.1186/s12888-019-2193-5, PubMed 31272416
  13. Normann-Eide E, Antonsen BRT, Kvarstein EH, Pedersen G, Vaskinn A, Wilberg T (2019)
    Are Impairments in Theory of Mind Specific to Borderline Personality Disorder?
    J Pers Disord, 34 (6), 827-841
    DOI 10.1521/pedi_2019_33_417, PubMed 30785865
  14. Pedersen G, Arnevik EA, Hummelen B, Walderhaug E, Wilberg T (2019)
    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
    Eur. J. Psychol. Assess., 35 (5), 698-711
    DOI 10.1027/1015-5759/a000436
  15. Simonsen S, Eikenaes IUM, Norgaard NL, Normann-Eide E, Juul S, Wilberg T (2019)
    Specialized Treatment for Patients with Severe Avoidant Personality Disorder: Experiences from Scandinavia
    J. Contemp. Psychother., 49 (1), 27-38
    DOI 10.1007/s10879-018-9395-x

Publications 2018

  1. Buer Christensen T, Paap MCS, Arnesen M, Koritzinsky K, Nysaeter TE, Eikenaes I, Germans Selvik S, Walther K, Torgersen S, Bender DS, Skodol AE, Kvarstein E, Pedersen G, Hummelen B (2018)
    Interrater Reliability of the Structured Clinical Interview for the DSM-5 Alternative Model of Personality Disorders Module i: Level of Personality Functioning Scale
    J Pers Assess, 100 (6), 630-641
    DOI 10.1080/00223891.2018.1483377, PubMed 30084661
  2. Büchmann CB, Pedersen G, Aminoff SR, Laskemoen JF, Barrett EA, Melle I, Lagerberg TV (2018)
    Validity of the Birchwood insight scale in patients with schizophrenia spectrum- and bipolar disorders
    Psychiatry Res, 272, 715-722
    DOI 10.1016/j.psychres.2018.12.072, PubMed 30832191
  3. Holth F, Walby F, Røstbakken T, Lunde I, Ringen PA, Ramleth RK, Romm KL, Tveit T, Torgersen T, Urnes Ø, Kvarstein EH (2018)
    Extreme challenges: psychiatric inpatients with severe self-harming behavior in Norway: a national screening investigation
    Nord J Psychiatry, 72 (8), 605-612
    DOI 10.1080/08039488.2018.1511751, PubMed 30348040
  4. Johansen MS, Karterud SW, Normann-Eide E, Ro FG, Kvarstein EH, Wilberg T (2018)
    The Relationship Between Reflective Functioning and Affect Consciousness in Patients With Avoidant and Borderline Personality Disorders
    Psychoanal. Psychol., 35 (4), 382-393
    DOI 10.1037/pap0000169
  5. Kvarstein EH, Pedersen G, Folmo E, Urnes Ø, Johansen MS, Hummelen B, Wilberg T, Karterud S (2018)
    Mentalization-based treatment or psychodynamic treatment programmes for patients with borderline personality disorder - the impact of clinical severity
    Psychol Psychother, 92 (1), 91-111
    DOI 10.1111/papt.12179, PubMed 29582581
  6. Normann-Eide E (2018)
    [Communication with surgical precision]
    Tidsskr Nor Laegeforen, 138 (6)
    DOI 10.4045/tidsskr.18.0026, PubMed 29557130
  7. Normann-Eide E (2018)
    Communication with surgical precision
    Tidsskr. Nor. Laegeforen., 138 (6), 579
  8. Pedersen G, Urnes Ø, Hummelen B, Wilberg T, Kvarstein EH (2018)
    Revised manual for the Global Assessment of Functioning scale
    Eur Psychiatry, 51, 16-19
    DOI 10.1016/j.eurpsy.2017.12.028, PubMed 29510296
  9. Selvik SG, Hummelen B, Romild U, Langbehn DR, Pedersen G (2018)
    The Iowa Personality Disorder Screen: A validation study in a psychiatric population that receives long-term group psychotherapy for personality related problems
    Personal Ment Health, 12 (3), 229-240
    DOI 10.1002/pmh.1418, PubMed 29722177

Publications 2017

  1. Folmo EJ, Karterud SW, Bremer K, Walther KL, Kvarstein EH, Pedersen GAF (2017)
    The design of the MBT-G adherence and quality scale
    Scand J Psychol, 58 (4), 341-349
    DOI 10.1111/sjop.12375, PubMed 28718968
  2. Klungsøyr O, Antonsen B, Wilberg T (2017)
    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, 17 (1), 210
    DOI 10.1186/s12888-017-1365-4, PubMed 28583098
  3. Morken KTE, Binder PE, Arefjord N, Karterud S (2017)
    Juggling thoughts and feelings: How do female patients with borderline symptomology and substance use disorder experience change in mentalization-based treatment?
    Psychother Res, 29 (2), 251-266
    DOI 10.1080/10503307.2017.1325021, PubMed 28513339
  4. Pedersen G, Kvarstein EH, Wilberg T (2017)
    The Work and Social Adjustment Scale: Psychometric properties and validity among males and females, and outpatients with and without personality disorders
    Personal Ment Health, 11 (4), 215-228
    DOI 10.1002/pmh.1382, PubMed 28681505
  5. Paap MCS, Braeken J, Pedersen G, Urnes Ø, Karterud S, Wilberg T, Hummelen B (2017)
    A Psychometric Evaluation of the DSM-IV Criteria for Antisocial Personality Disorder: Dimensionality, Local Reliability, and Differential Item Functioning Across Gender
    Assessment, 27 (1), 89-101
    DOI 10.1177/1073191117745126, PubMed 29284276

Publications 2016

  1. Karterud S, Pedersen G, Johansen M, Wilberg T, Davis K, Panksepp J (2016)
    Primary emotional traits in patients with personality disorders
    Personal Ment Health, 10 (4), 261-273
    DOI 10.1002/pmh.1345, PubMed 27257161
  2. Kvarstein EH, Nordviste O, Dragland L, Wilberg T (2016)
    Outpatient psychodynamic group psychotherapy - outcomes related to personality disorder, severity, age and gender
    Personal Ment Health, 11 (1), 37-50
    DOI 10.1002/pmh.1352, PubMed 27766761
  3. Lagerberg TV, Aminoff SR, Aas M, Bjella T, Henry C, Leboyer M, Pedersen G, Bellivier F, Icick R, Andreassen OA, Etain B, Melle I (2016)
    Alcohol use disorders are associated with increased affective lability in bipolar disorder
    J Affect Disord, 208, 316-324
    DOI 10.1016/j.jad.2016.09.062, PubMed 27810713
  4. Reas DL, Pedersen G, Rø Ø (2016)
    Impulsivity-related traits distinguish women with co-occurring bulimia nervosa in a psychiatric sample
    Int J Eat Disord, 49 (12), 1093-1096
    DOI 10.1002/eat.22606, PubMed 27567004

Publications 2015

  1. Antonsen BT, Johansen MS, Rø FG, Kvarstein EH, Wilberg T (2015)
    Is reflective functioning associated with clinical symptoms and long-term course in patients with personality disorders?
    Compr Psychiatry, 64, 46-58
    DOI 10.1016/j.comppsych.2015.05.016, PubMed 26104432
  2. Antonsen BT, Kvarstein EH, Urnes Ø, Hummelen B, Karterud S, Wilberg T (2015)
    Favourable outcome of long-term combined psychotherapy for patients with borderline personality disorder: Six-year follow-up of a randomized study
    Psychother Res, 27 (1), 51-63
    DOI 10.1080/10503307.2015.1072283, PubMed 26261865
  3. Eikenaes I, Egeland J, Hummelen B, Wilberg T (2015)
    Correction: Avoidant Personality Disorder versus Social Phobia: The Significance of Childhood Neglect
    PLoS One, 10 (5), e0128737
    DOI 10.1371/journal.pone.0128737, PubMed 25978045
  4. Eikenaes I, Pedersen G, Wilberg T (2015)
    Attachment styles in patients with avoidant personality disorder compared with social phobia
    Psychol Psychother, 89 (3), 245-60
    DOI 10.1111/papt.12075, PubMed 26332087
  5. Johansen MS, Normann-Eide E, Normann-Eide T, Klungs Yr O, Kvarstein E, Wilberg T (2015)
    Relationship Between Affect Consciousness and Personality Functioning in Patients With Personality Disorders: A Prospective Study
    J Pers Disord, 30 (5), 633-652
    DOI 10.1521/pedi_2015_29_220, PubMed 26168325
  6. Normann-Eide E, Johansen MS, Normann-Eide T, Egeland J, Wilberg T (2015)
    Personality Disorder and Changes in Affect Consciousness: A 3-Year Follow-Up Study of Patients with Avoidant and Borderline Personality Disorder
    PLoS One, 10 (12), e0145625
    DOI 10.1371/journal.pone.0145625, PubMed 26699730
  7. Pedersen G, Eikenæs I, Urnes Ø, Skulberg GM, Wilberg T (2015)
    Experiences in Close Relationships – Psychometric properties among patients with personality disorders
    Personal Ment Health, 9 (3), 208-19
    DOI 10.1002/pmh.1298, PubMed 26033784
  8. Støre-Valen J, Ryum T, Pedersen GA, Pripp AH, Jose PE, Karterud S (2015)
    Does a web-based feedback training program result in improved reliability in clinicians' ratings of the Global Assessment of Functioning (GAF) Scale?
    Psychol Assess, 27 (3), 865-73
    DOI 10.1037/pas0000086, PubMed 25642933
  9. Vaskinn A, Antonsen BT, Fretland RA, Dziobek I, Sundet K, Wilberg T (2015)
    Theory of mind in women with borderline personality disorder or schizophrenia: differences in overall ability and error patterns
    Front Psychol, 6, 1239
    DOI 10.3389/fpsyg.2015.01239, PubMed 26379577

Publications 2014

  1. Antonsen BT, Klungsøyr O, Kamps A, Hummelen B, Johansen MS, Pedersen G, Urnes O, Kvarstein EH, Karterud S, Wilberg T (2014)
    Step-down versus outpatient psychotherapeutic treatment for personality disorders: 6-year follow-up of the Ullevål personality project
    BMC Psychiatry, 14, 119
    DOI 10.1186/1471-244X-14-119, PubMed 24758722
  2. Bøen E, Hummelen B, Elvsåshagen T, Boye B, Andersson S, Karterud S, Malt UF (2014)
    Different impulsivity profiles in borderline personality disorder and bipolar II disorder
    J Affect Disord, 170, 104-11
    DOI 10.1016/j.jad.2014.08.033, PubMed 25237733
  3. Bøen E, Westlye LT, Elvsåshagen T, Hummelen B, Hol PK, Boye B, Andersson S, Karterud S, Malt UF (2014)
    Smaller stress-sensitive hippocampal subfields in women with borderline personality disorder without posttraumatic stress disorder
    J Psychiatry Neurosci, 39 (2), 127-34
    DOI 10.1503/jpn.130070, PubMed 24309162
  4. Hummelen B, Pedersen G, Wilberg T, Karterud S (2014)
    Poor Validity of the DSM-IV Schizoid Personality Disorder Construct as a Diagnostic Category
    J Pers Disord, 29 (3), 334-46
    DOI 10.1521/pedi_2014_28_159, PubMed 25248009
  5. Kvarstein EH, Pedersen G, Urnes Ø, Hummelen B, Wilberg T, Karterud S (2014)
    Changing from a traditional psychodynamic treatment programme to mentalization-based treatment for patients with borderline personality disorder--does it make a difference?
    Psychol Psychother, 88 (1), 71-86
    DOI 10.1111/papt.12036, PubMed 25045028
  6. Morken K, Karterud S, Arefjord N (2014)
    Transforming Disorganized Attachment Through Mentalization-Based Treatment
    J. Contemp. Psychother., 44 (2), 117-126
    DOI 10.1007/s10879-013-9246-8
  7. Nokleby H, Pedersen G, Skarderud F (2014)
    Symptoms of Eating Disorders Among Females in Drug Addiction Treatment
    J. Soc. Work Pract. Addict., 14 (3), 225-238
    DOI 10.1080/1533256X.2014.933728
  8. Pedersen G, Selsbakk JM, Theresa W, Sigmund K (2014)
    Testing different versions of the Affective Neuroscience Personality Scales in a clinical sample
    PLoS One, 9 (10), e109394
    DOI 10.1371/journal.pone.0109394, PubMed 25289939
  9. Pedersen G, Urnes Ø, Kvarstein EH, Karterud S (2014)
    The three factors of the psychoticism scale of SCL-90-R
    Personal Ment Health, 10 (3), 244-55
    DOI 10.1002/pmh.1278, PubMed 25475425
  10. Paap MC, Bode C, Lenferink LI, Groen LC, Terwee CB, Ahmed S, Eilayyan O, van der Palen J (2014)
    Identifying key domains of health-related quality of life for patients with chronic obstructive pulmonary disease: the patient perspective
    Health Qual Life Outcomes, 12, 106
    DOI 10.1186/s12955-014-0106-3, PubMed 25005552
  11. Reas DL, Pedersen G, Karterud S, Rø Ø (2014)
    Self-harm and suicidal behavior in borderline personality disorder with and without bulimia nervosa
    J Consult Clin Psychol, 83 (3), 643-8
    DOI 10.1037/ccp0000014, PubMed 25495360
  12. Wilberg T, Kvarstein EH, Røvik JO (2014)
    Patients with personality disorders in private specialist practice
    Tidsskr Nor Laegeforen, 134 (23-24), 2267-72
    DOI 10.4045/tidsskr.13.1581, PubMed 25492335

Publications 2013

  1. Bøen E, Westlye LT, Elvsåshagen T, Hummelen B, Hol PK, Boye B, Andersson S, Karterud S, Malt UF (2013)
    Regional cortical thinning may be a biological marker for borderline personality disorder
    Acta Psychiatr Scand, 130 (3), 193-204
    DOI 10.1111/acps.12234, PubMed 24571788
  2. Eikenaes I, Hummelen B, Abrahamsen G, Andrea H, Wilberg T (2013)
    Personality functioning in patients with avoidant personality disorder and social phobia
    J Pers Disord, 27 (6), 746-63
    DOI 10.1521/pedi_2013_27_109, PubMed 23786266
  3. Johansen MS, Normann-Eide E, Normann-Eide T, Wilberg T (2013)
    Emotional dysfunction in avoidant compared to borderline personality disorder: a study of affect consciousness
    Scand J Psychol, 54 (6), 515-21
    DOI 10.1111/sjop.12076, PubMed 24107113
  4. Kvarstein EH, Arnevik E, Halsteinli V, Rø FG, Karterud S, Wilberg T (2013)
    Health service costs and clinical gains of psychotherapy for personality disorders: a randomized controlled trial of day-hospital-based step-down treatment versus outpatient treatment at a specialist practice
    BMC Psychiatry, 13, 315
    DOI 10.1186/1471-244X-13-315, PubMed 24268099
  5. Kvarstein EH, Karterud S (2013)
    Large variation of severity and longitudinal change of symptom distress among patients with personality disorders
    Personal Ment Health, 7 (4), 265-76
    DOI 10.1002/pmh.1226, PubMed 24343976
  6. Pedersen G, Karterud S, Hummelen B, Wilberg T (2013)
    The impact of extended longitudinal observation on the assessment of personality disorders
    Personal Ment Health, 7 (4), 277-87
    DOI 10.1002/pmh.1234, PubMed 24343977
  7. Reas DL, Rø Ø, Karterud S, Hummelen B, Pedersen G (2013)
    Eating disorders in a large clinical sample of men and women with personality disorders
    Int J Eat Disord, 46 (8), 801-9
    DOI 10.1002/eat.22176, PubMed 23983043

Publications 2012

  1. Beukers F, Houtzager BA, Paap MC, Middelburg KJ, Hadders-Algra M, Bos AF, Kok JH, PGS study group (2012)
    Parental psychological distress and anxiety after a successful IVF/ICSI procedure with and without preimplantation genetic screening: follow-up of a randomised controlled trial
    Early Hum Dev, 88 (9), 725-30
    DOI 10.1016/j.earlhumdev.2012.03.001, PubMed 22460061
  2. Corpeleijn WE, Kouwenhoven SM, Paap MC, van Vliet I, Scheerder I, Muizer Y, Helder OK, van Goudoever JB, Vermeulen MJ (2012)
    Intake of own mother's milk during the first days of life is associated with decreased morbidity and mortality in very low birth weight infants during the first 60 days of life
    Neonatology, 102 (4), 276-81
    DOI 10.1159/000341335, PubMed 22922675
  3. Gullestad FS, Johansen MS, Høglend P, Karterud S, Wilberg T (2012)
    Mentalization as a moderator of treatment effects: findings from a randomized clinical trial for personality disorders
    Psychother Res, 23 (6), 674-89
    DOI 10.1080/10503307.2012.684103, PubMed 22612470
  4. Gullestad FS, Wilberg T, Klungsøyr O, Johansen MS, Urnes O, Karterud S (2012)
    Is treatment in a day hospital step-down program superior to outpatient individual psychotherapy for patients with personality disorders? 36 months follow-up of a randomized clinical trial comparing different treatment modalities
    Psychother Res, 22 (4), 426-41
    DOI 10.1080/10503307.2012.662608, PubMed 22417131
  5. Karterud S (2012)
    Comments on personality disorders with over-regulation of emotions and poor self-reflectivity
    Personal. Ment. Health, 6 (2), 167-169
    DOI 10.1002/pmh.1196
  6. Karterud S (2012)
    Constructing and Mentalizing the Matrix
    Gruppenpsychother. Gruppendyn., 48 (4), 379-396
    DOI 10.13109/grup.2012.48.4.379
  7. Karterud S, Pedersen G, Engen M, Johansen MS, Johansson PN, Schlüter C, Urnes O, Wilberg T, Bateman AW (2012)
    The MBT Adherence and Competence Scale (MBT-ACS): development, structure and reliability
    Psychother Res, 23 (6), 705-17
    DOI 10.1080/10503307.2012.708795, PubMed 22916991
  8. Kvarstein EH, Karterud S (2012)
    Large variations of global functioning over five years in treated patients with personality traits and disorders
    J Pers Disord, 26 (2), 141-61
    DOI 10.1521/pedi.2012.26.2.141, PubMed 22486446
  9. Normann-Eide E, Johansen MS, Normann-Eide T, Egeland J, Wilberg T (2012)
    Is low affect consciousness related to the severity of psychopathology? A cross-sectional study of patients with avoidant and borderline personality disorder
    Compr Psychiatry, 54 (2), 149-57
    DOI 10.1016/j.comppsych.2012.07.003, PubMed 22998844
  10. Paap MC, Meijer RR, Cohen-Kettenis PT, Richter-Appelt H, de Cuypere G, Kreukels BP, Pedersen G, Karterud S, Malt UF, Haraldsen IR (2012)
    Why the factorial structure of the SCL-90-R is unstable: comparing patient groups with different levels of psychological distress using Mokken Scale Analysis
    Psychiatry Res, 200 (2-3), 819-26
    DOI 10.1016/j.psychres.2012.03.012, PubMed 22494703
  11. Sütterlin S, Paap MC, Babic S, Kübler A, Vögele C (2012)
    Rumination and age: some things get better
    J Aging Res, 2012, 267327
    DOI 10.1155/2012/267327, PubMed 22500227
  12. van den Berg SM, Paap MC, Derks EM, Genetic Risk and Outcome of Psychosis (GROUP) investigators (2012)
    Using multidimensional modeling to combine self-report symptoms with clinical judgment of schizotypy
    Psychiatry Res, 206 (1), 75-80
    DOI 10.1016/j.psychres.2012.09.015, PubMed 23021911
  13. Wilberg T (2012)
    Avoidant personality, cluster A traits and Taijin kyofusho: Deconstructing a treatment resistant socially fearful young man: A commentary on a case by Maruta et al.
    Personal. Ment. Health, 6 (3), 276-278
    DOI 10.1002/pmh.1209

Publications 2011

  1. Bjelland SD, Severinsson E (2011)
    Experiences of existential problems and psychiatric nurses' ways of addressing them
    Nordisk Sygeplejeforskning, 1 (2), 111-128
  2. Bjelland SD, Severinsson E (2011)
    Experiences of existential problems and psychiatric nurses' ways of addressing them
    Nordisk sygeplejeforskning, 1 (2), 111-128
    PublikaID 115
  3. Hummelen B, Pedersen G, Karterud S (2011)
    Some suggestions for the DSM-5 schizotypal personality disorder construct
    Compr Psychiatry, 53 (4), 341-9
    DOI 10.1016/j.comppsych.2011.05.009, PubMed 21741634
  4. Karterud S (2011)
    Commentary on narcissistic personality disorder
    Personal. Ment. Health, 5 (3), 235-237
    DOI 10.1002/pmh.174
  5. Pedersen G, Karterud S (2011)
    The symptom and function dimensions of the Global Assessment of Functioning (GAF) scale
    Compr Psychiatry, 53 (3), 292-8
    DOI 10.1016/j.comppsych.2011.04.007, PubMed 21632038
  6. Paap MC, Meijer RR, Van Bebber J, Pedersen G, Karterud S, Hellem FM, Haraldsen IR (2011)
    A study of the dimensionality and measurement precision of the SCL-90-R using item response theory
    Int J Methods Psychiatr Res, 20 (3), e39-55
    DOI 10.1002/mpr.347, PubMed 21812065

Publications 2010

  1. Arnevik E, Wilberg T, Urnes Ø, Johansen M, Monsen JT, Karterud S (2010)
    Psychotherapy for personality disorders: 18 months' follow-up of the ullevål personality project
    J Pers Disord, 24 (2), 188-203
    DOI 10.1521/pedi.2010.24.2.188, PubMed 20420475
  2. Bakkevig JF, Karterud S (2010)
    Is the Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition, histrionic personality disorder category a valid construct?
    Compr Psychiatry, 51 (5), 462-70
    DOI 10.1016/j.comppsych.2009.11.009, PubMed 20728002
  3. Hummelen B (2010)
    Treatment of borderline personality disorder with schizotypal traits by Cesare Maffei, MD
    Personal. Ment. Health, 4 (3), 229-232
    DOI 10.1002/pmh.135
  4. Karterud S (2010)
    Carmen: Histrionic personality disorder and psychotherapy Comment
    Personal. Ment. Health, 4 (2), 153-157
    DOI 10.1002/pmh.125
  5. Karterud S, Øien M, Pedersen G (2010)
    Validity aspects of the Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition, narcissistic personality disorder construct
    Compr Psychiatry, 52 (5), 517-26
    DOI 10.1016/j.comppsych.2010.11.001, PubMed 21193181
  6. Leirvåg H, Pedersen G, Karterud S (2010)
    Long-term continuation treatment after short-term day treatment of female patients with severe personality disorders: Body awareness group therapy versus psychodynamic group therapy
    Nord J Psychiatry, 64 (2), 115-22
    DOI 10.3109/08039480903487525, PubMed 20392134
  7. Pedersen G, Hagtvet KA, Karterud S (2010)
    Interpersonal problems: self-therapist agreement and therapist consensus
    J Clin Psychol, 67 (3), 308-17
    DOI 10.1002/jclp.20762, PubMed 21254058
  8. Pedersen G, Karterud S (2010)
    Using measures from the SCL-90-R to screen for personality disorders
    Personal. Ment. Health, 4 (2), 121-132
    DOI 10.1002/pmh.122
  9. Paap MC, Haraldsen IR (2010)
    Sex-based differences in answering strategy and the influence of cross-sex hormones
    Psychiatry Res, 175 (3), 266-70
    DOI 10.1016/j.psychres.2009.07.020, PubMed 20022122
  10. Rossberg JI, Karterud S, Pedersen G, Friis S (2010)
    Psychiatric symptoms and countertransference feelings: an empirical investigation
    Psychiatry Res, 178 (1), 191-5
    DOI 10.1016/j.psychres.2009.09.019, PubMed 20452056
  11. Vincenzi B, O'Toole J, Lask B (2010)
    PANDAS and anorexia nervosa--a spotters' guide: suggestions for medical assessment
    Eur Eat Disord Rev, 18 (2), 116-23
    DOI 10.1002/erv.977, PubMed 20148396

Publications 2009

  1. Arnevik E, Wilberg T, Monsen JT, Andrea H, Karterud S (2009)
    A cross-national validity study of the Severity Indices of Personality Problems (SIPP-118)
    Personal. Ment. Health, 3 (1), 41-55
    DOI 10.1002/pmh.60
  2. Falkum E, Pedersen G, Karterud S (2009)
    Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition, paranoid personality disorder diagnosis: a unitary or a two-dimensional construct?
    Compr Psychiatry, 50 (6), 533-41
    DOI 10.1016/j.comppsych.2009.01.003, PubMed 19840591
  3. Karterud S, Arefjord N, Andresen NE, Pedersen G (2009)
    Substance use disorders among personality disordered patients admitted for day hospital treatment. Implications for service developments
    Nord J Psychiatry, 63 (1), 57-63
    DOI 10.1080/08039480802298705, PubMed 19172500
  4. Urnes O (2009)
    [Self-harm and personality disorders]
    Tidsskr Nor Laegeforen, 129 (9), 872-6
    DOI 10.4045/tidsskr.08.0140, PubMed 19415088
  5. Wilberg T, Karterud S, Pedersen G, Urnes Ø (2009)
    The impact of avoidant personality disorder on psychosocial impairment is substantial
    Nord J Psychiatry, 63 (5), 390-6
    DOI 10.1080/08039480902831322, PubMed 19333817
  6. Wilberg T, Karterud S, Pedersen G, Urnes Ø, Costa PT (2009)
    Nineteen-month stability of Revised NEO Personality Inventory domain and facet scores in patients with personality disorders
    J Nerv Ment Dis, 197 (3), 187-95
    DOI 10.1097/NMD.0b013e3181923fa0, PubMed 19282686
 
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