An analogue investigation into the effect of trauma-related rumination on trauma intrusions and the moderating role of trait rumination and depression

Rie Kubota, Reginald Nixon

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)

Abstract

Trauma-related rumination is considered one cognitive process that underlies the maintenance of posttraumatic stress. However experimental findings for the effect of trauma-related rumination have been inconclusive and a moderating role of trait rumination has been speculated. Further, existing depression may also interact with trauma-related rumination to increase posttraumatic stress symptoms. The roles of trauma-related rumination, trait rumination and existing depression were therefore investigated. Healthy female participants watched an analogue trauma film and completed either film-related rumination or control inductions involving a distraction and free-thinking task in the first and second experiments, respectively. Participants' frequency of film-related intrusions and associated distress levels were assessed within the initial experimental session, over 1-week after the film and at 1-week follow-up. Induced rumination resulted in greater intrusion-related distress in the second experiment. However no consistent moderations of trait rumination and existing depression were found. Theoretical and clinical implications of findings are discussed.

Original languageEnglish
Pages (from-to)413-442
Number of pages30
JournalJournal of Experimental Psychopathology
Volume8
Issue number4
DOIs
Publication statusPublished - 2017

Keywords

  • comorbid depression
  • intrusion
  • posttraumatic stress disorder
  • rumination
  • trauma
  • trauma film

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