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J Anxiety Disord. 2012 Jan;26(1):225-32. doi: 10.1016/j.janxdis.2011.11.003. Epub 2011 Nov 16.

The effects of dissociation on information processing for analogue trauma and neutral stimuli: a laboratory study.

Author information

1
Department of Psychology, The University of Memphis, 400 Innovation Drive, Memphis, TN 38152, USA. sbnnett1@memphis.edu

Abstract

This study investigated the effects of high and low levels of dissociation on information processing for analogue trauma and neutral stimuli. Fifty-four undergraduate females who reported high and low levels of trait dissociation were presented with two films, one depicting traumatic events, the other containing neutral material. Participants completed a divided attention task (yielding a proxy measure of attention), as well as explicit memory (free-recall) and implicit memory (word-stem completion) tasks for both films. Results indicated that the high DES group showed less attention and had poorer recall for the analogue trauma stimuli, relative to the neutral stimuli and the low DES group. These findings suggest that high levels of trait dissociation are associated with reductions in attention and memory for analogue trauma stimuli, relative to neutral stimuli and relative to low trait dissociation. Implications for the role of cognitive factors in the etiology of negative post-trauma responses are discussed.

PMID:
22137464
DOI:
10.1016/j.janxdis.2011.11.003
[Indexed for MEDLINE]

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