Journal publications

• Berge, Erik Eng; Hagen, Roger; Halvorsen, Joar Øveraas. (2020) PTSD relapse in Veterans of Iraq and Afghanistan: A systematic review. Military Psychology.
• Berge, Erik Eng; Hagen, Roger; Halvorsen, Joar Øveraas. (2020) PTSD relapse in Veterans of Iraq and Afghanistan: A systematic review. Military Psychology.
• Berge, Erik; Hagen, Roger; Halvorsen, Joar Øveraas. (2020) PTSD relapse in Veterans of Iraq and Afghanistan: A systematic review. Military Psychology.
• Nordahl, Hans Morten; Halvorsen, Joar Øveraas; Hjemdal, Odin; Rrusta, Mimoza; Wells, Adrian. (2018) Metacognitive therapy vs. eye movement desensitization and reprocessing for posttraumatic stress disorder: Study protocol for a randomized superiority trial. Trials. vol. 19 (16).
• Bergersen, Kjersti; Halvorsen, Joar Øveraas; Tryti, Einar Aagaard; Taylor, Solveig Isabel; Olsen, Alexander. (2017) A systematic literature review of psychotherapeutic treatment of prolonged symptoms after mild traumatic brain injury. Brain Injury. vol. 31 (3).
• Dibaj, Iselin; Halvorsen, Joar Øveraas; Kennair, Leif Edward Ottesen; Stenmark, Håkon Inge. (2017) An evaluation of combined narrative exposure therapy and physiotherapy for comorbid PTSD and chronic pain in torture survivors. Journal on Rehabilitation of Torture Victims and Prevention of Torture. vol. 27 (1).
• Ryum, Truls; Kennair, Leif Edward Ottesen; Hjemdal, Odin; Hagen, Roger; Halvorsen, Joar Øveraas; Solem, Stian. (2017) Worry and Metacognitions as Predictors of Anxiety Symptoms: A Prospective Study. Frontiers in Psychology. vol. 8 (924).
• Halvorsen, Joar Øveraas; Gråwe, Rolf W.; Hoxmark, Ellen Margrethe. (2014) Randomiserte kontrollerte studier av psykologisk behandling for samtidig posttraumatisk stresslidelse og ruslidelse. Tidsskrift for Norsk Psykologforening. vol. 51 (1).
• Halvorsen, Joar Øveraas; Stenmark, Håkon Inge; Neuner, Frank; Nordahl, Hans Morten. (2014) Does dissociation moderate treatment outcomes of narrative exposure therapy for PTSD? A secondary analysis from a randomized controlled clinical trial. Behaviour Research and Therapy. vol. 57 (1).
• Halvorsen, Joar Øveraas; Kagee, Ashraf. (2010) Predictors of psychological sequelae of torture among South African former political detainees. Journal of Interpersonal Violence. vol. 25 (6).
• Halvorsen, Joar Øveraas; Stenmark, Håkon. (2010) Narrative exposure therapy for posttraumatic stress disorder in tortured refugees: A preliminary uncontrolled trial. Scandinavian Journal of Psychology. vol. 51 (6).
• Halvorsen, Joar Øveraas; Sveaass, Nora. (2009) Psykologi og tortur: faglige og etiske utfordringer for psykologer sett i lys av FNs torturkonvensjon. Tidsskrift for Norsk Psykologforening. vol. 46 (12).

Part of book/report

• Ryum, Truls; Halvorsen, Joar Øveraas. (2014) Psykoterapiforskning. Psykoterapi - Tilnærminger og metoder.

Report/dissertation

• Halvorsen, Joar Øveraas; Nordahl, Hans Morten. (2015) Predictors and treatment outcome of psychological sequelae of torture. 2015. ISBN 978-82-326-0914-7.