Geir Pedersen

  • 915 14 708

Publications 2019

Normann-Eide E, Antonsen BT, Kvarstein EH, Pedersen G, Vaskinn A, Wilberg T (2019)
Are Impairments in Theory of Mind Specific to Borderline Personality Disorder?
J Pers Disord, 1-15 (in press)
DOI 10.1521/pedi_2019_33_417, PubMed 30785865

Publications 2018

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

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

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

Publications 2017

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, 1073191117745126 (in press)
DOI 10.1177/1073191117745126, PubMed 29284276

Smith L, Jensen A, Pedersen G (2017)
Investigation of breaking and non-breaking solitary waves and measurements of swash zone dynamics on a 5 degrees beach
Coast. Eng., 120, 38-46

Publications 2016

Hauge R, Pedersen G, Kolltveit E (2016)
Fish finding with autonomous surface vehicles for the pelagic fisheries

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

Kubilius R, Pedersen G (2016)
Relative acoustic frequency response of induced methane, carbon dioxide and air gas bubble plumes, observed laterally
J Acoust Soc Am, 140 (4), 2902
DOI 10.1121/1.4964250, PubMed 27794353

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

Lovholt F, Pedersen G, Harbitz CB (2016)
Tsunami-Genesis Due to Retrogressive Landslides on an Inclined Seabed
ADV NAT TECH HAZ RES, 41, 569-578

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

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

Hauge R, Mosland EN, Hellevang JO, Lied G, Klepsvik I, Adland F, Pedersen G, Kolltveit E, Peddie D (2015)
Development and Evaluation of a Forward-looking Acoustic Camera for Opaque Media Tested at High Temperature and High Pressure

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

Publications 2014

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

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

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

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

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

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

Aas M, Pedersen G, Henry C, Bjella T, Bellivier F, Leboyer M, Kahn JP, Cohen RF, Gard S, Aminoff SR, Lagerberg TV, Andreassen OA, Melle I, Etain B (2014)
Psychometric properties of the Affective Lability Scale (54 and 18-item version) in patients with bipolar disorder, first-degree relatives, and healthy controls
J Affect Disord, 172, 375-80
DOI 10.1016/j.jad.2014.10.028, PubMed 25451440

Publications 2013

Macaulay GJ, Peña H, Fässler SM, Pedersen G, Ona E (2013)
Accuracy of the Kirchhoff-approximation and Kirchhoff-ray-mode fish swimbladder acoustic scattering models
PLoS One, 8 (5), e64055
DOI 10.1371/journal.pone.0064055, PubMed 23691146

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

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

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

Publications 2011

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

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

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

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

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

Pedersen G, Karterud S (2010)
Using measures from the SCL-90-R to screen for personality disorders
Personal. Ment. Health, 4 (2), 121-132

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

Publications 2009

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

Godo OR, Patel R, Pedersen G (2009)
Diel migration and swimbladder resonance of small fish: some implications for analyses of multifrequency echo data
ICES J. Mar. Sci., 66 (6), 1143-1148

Handegard NO, Pedersen G, Brix O (2009)
Estimating tail-beat frequency using split-beam echosounders
ICES J. Mar. Sci., 66 (6), 1252-1258

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

Patel R, Pedersen G, Ona E (2009)
Inferring the acoustic dead-zone volume by split-beam echo sounder with narrow-beam transducer on a noninertial platform
J Acoust Soc Am, 125 (2), 698-705
DOI 10.1121/1.3050325, PubMed 19206847

Pedersen G, Handegard NO, Ona E (2009)
Lateral-aspect, target-strength measurements of in situ herring (Clupea harengus)
ICES J. Mar. Sci., 66 (6), 1191-1196

Pedersen G, Korneliussen RJ (2009)
The relative frequency response derived from individually separated targets of northeast Arctic cod (Gadus morhua), saithe (Pollachius virens), and Norway pout (Trisopterus esmarkii)
ICES J. Mar. Sci., 66 (6), 1149-1154

Torsvik T, Pedersen G, Dysthe K (2009)
Waves Generated by a Pressure Disturbance Moving in a Channel with a Variable Cross-Sectional Topography
J. Waterw. Port Coast. Ocean Eng.-ASCE, 135 (3), 120-123

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

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

Publications 2008

Halsteinli V, Karterud S, Pedersen G (2008)
When costs count: the impact of staff size, skill mix and treatment intensity on patient outcome for psychotherapeutic day treatment programmes
Health Policy, 86 (2-3), 255-65
DOI 10.1016/j.healthpol.2007.10.013, PubMed 18083268

Hummelen B, Wilberg T, Pedersen G, Karterud S (2008)
The quality of the DSM-IV obsessive-compulsive personality disorder construct as a prototype category
J Nerv Ment Dis, 196 (6), 446-55
DOI 10.1097/NMD.0b013e3181775a4e, PubMed 18552621

Rossberg JI, Karterud S, Pedersen G, Friis S (2008)
Specific personality traits evoke different countertransference reactions: an empirical study
J Nerv Ment Dis, 196 (9), 702-8
DOI 10.1097/NMD.0b013e318186de80, PubMed 18791432

Wilberg T, Hummelen B, Pedersen G, Karterud S (2008)
A study of patients with personality disorder not otherwise specified
Compr Psychiatry, 49 (5), 460-8
DOI 10.1016/j.comppsych.2007.12.008, PubMed 18702931

Publications 2007

Hummelen B, Wilberg T, Pedersen G, Karterud S (2007)
The relationship between avoidant personality disorder and social phobia
Compr Psychiatry, 48 (4), 348-56
DOI 10.1016/j.comppsych.2007.03.004, PubMed 17560956

Pedersen G, Karterud S (2007)
Associations between patient characteristics and ratings of treatment milieu
Nord J Psychiatry, 61 (4), 271-8
DOI 10.1080/08039480701414999, PubMed 17763120

Rossberg JI, Karterud S, Pedersen G, Friis S (2007)
An empirical study of countertransference reactions toward patients with personality disorders
Compr Psychiatry, 48 (3), 225-30
DOI 10.1016/j.comppsych.2007.02.002, PubMed 17445515

Publications 2006

Gude T, Karterud S, Pedersen G, Falkum E (2006)
The quality of the Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition dependent personality disorder prototype
Compr Psychiatry, 47 (6), 456-62
DOI 10.1016/j.comppsych.2006.02.007, PubMed 17067868

Harbitz CB, Lovholt F, Pedersen G, Masson DG (2006)
Mechanisms of tsunami generation by submarine landslides: a short review
Norw. J. Geol., 86 (3), 255-264

Hummelen B, Wilberg T, Pedersen G, Karterud S (2006)
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
Compr Psychiatry, 47 (5), 376-83
DOI 10.1016/j.comppsych.2006.01.006, PubMed 16905400

Pedersen G, Hagtvet KA, Karterud S (2006)
Generalizability studies of the Global Assessment of Functioning-Split version
Compr Psychiatry, 48 (1), 88-94
DOI 10.1016/j.comppsych.2006.03.008, PubMed 17145287

Torsvik T, Dysthe K, Pedersen G (2006)
Influence of variable Froude number on waves generated by ships in shallow water
Phys. Fluids, 18 (6), 062102

Publications 2003

Karterud S, Pedersen G, Bjordal E, Brabrand J, Friis S, Haaseth O, Haavaldsen G, Irion T, Leirvåg H, Tørum E, Urnes O (2003)
Day treatment of patients with personality disorders: experiences from a Norwegian treatment research network
J Pers Disord, 17 (3), 243-62
DOI 10.1521/pedi., PubMed 12839103

Wilberg T, Karterud S, Pedersen G, Urnes O, Irion T, Brabrand J, Haavaldsen G, Leirvåg H, Johnsen K, Andreasen H, Hedmark H, Stubbhaug B (2003)
Outpatient group psychotherapy following day treatment for patients with personality disorders
J Pers Disord, 17 (6), 510-21
DOI 10.1521/pedi.17.6.510.25357, PubMed 14744077

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