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Why do doctored images distort memory?

Nash, RA, Wade, KA and Brewer, RJ (2009) Why do doctored images distort memory? Consciousness and Cognition, 18 (3). 773 - 780. ISSN 1053-8100

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Abstract

Doctored images can cause people to believe in and remember experiences that never occurred, yet the underlying mechanism(s) responsible are not well understood. How does compelling false evidence distort autobiographical memory? Subjects were filmed observing and copying a Research Assistant performing simple actions, then they returned 2 days later for a memory test. Before taking the test, subjects viewed video-clips of simple actions, including actions that they neither observed nor performed earlier. We varied the format of the video-clips between-subjects to tap into the source-monitoring mechanisms responsible for the ‘doctored-evidence effect.’ The distribution of belief and memory distortions across conditions suggests that at least two mechanisms are involved: doctored images create an illusion of familiarity, and also enhance the perceived credibility of false suggestions. These findings offer insight into how external evidence influences source-monitoring.

Item Type: Article
Uncontrolled Keywords: False memory, Autobiographical belief, Doctored images, Fabricated evidence, Source monitoring, Familiarity, Metacognition, AUTOBIOGRAPHICAL MEMORY, FALSE MEMORIES, PHOTOGRAPHS, MISINFORMATION
Divisions: Faculty of Arts and Human Sciences > Psychology
Depositing User: Symplectic Elements
Date Deposited: 09 Sep 2011 10:45
Last Modified: 09 Jun 2014 13:24
URI: http://epubs.surrey.ac.uk/id/eprint/7039

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