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A comparison of flashbacks and ordinary autobiographical memories of trauma: cognitive resources and behavioural observations

Hellawell, SJ; Brewin, CR; (2002) A comparison of flashbacks and ordinary autobiographical memories of trauma: cognitive resources and behavioural observations. BEHAV RES THER , 40 (10) 1143 - 1156.

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Abstract

We investigated predictions derived from the dual representation theory of posttraurnatic stress disorder, which proposes that flashbacks and ordinary memories of traumas are supported by different types of representation. Sixty-two participants, meeting DSM-IV diagnostic criteria for posttraumatic stress disorder, completed a detailed written trauma narrative, and afterwards identified those sections in the narrative that had been written in flashback and ordinary memory periods. Performance on cognitive tasks confirmed predictions that flashback periods would be associated with a specific decrement in visuospatial processing. Contrary to prediction, periods of both flashback and ordinary memory were associated with decrements on a verbal processing task. Independent observer ratings also confirmed that flashback periods were associated with increases in a wide range of autonomic and motor behaviours. (C) 2002 Elsevier Science Ltd. All rights reserved.

Type: Article
Title: A comparison of flashbacks and ordinary autobiographical memories of trauma: cognitive resources and behavioural observations
Keywords: PTSD, flashbacks, autobiographical memory, cognitive resources, behavioural observations, POSTTRAUMATIC-STRESS-DISORDER, PSYCHOPHYSIOLOGICAL ASSESSMENT, COMBAT VETERANS, IMAGERY, RELIABILITY, VALIDITY, THERAPY, ANXIETY, FORMS, FEAR
UCL classification: UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences > Div of Psychology and Lang Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences > Div of Psychology and Lang Sciences > Clinical, Edu and Hlth Psychology
URI: http://discovery.ucl.ac.uk/id/eprint/125418
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