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Amnesia is a Deficit in Relational Memory

Amnesia is a Deficit in Relational Memory Eye movements were monitored to assess memory for scenes indirectly (implicitly). Two eye movement—based memory phenomena were observed: (a) the repetition effect, a decrease in sampling of previously viewed scenes compared with new scenes, reflecting memory for those scenes, and (b) the relational manipulation effect, an increase in viewing of the regions where manipulations of relations among scene elements had occurred. In normal control subjects, the relational manipulation effect was expressed only in the absence of explicit awareness of the scene manipulations. Thus, memory representations of scenes contain information about relations among elements of the scenes, at least some of which is not accessible to verbal report. But amnesic patients with severe memory impairment failed to show the relational manipulation effect. Their failure to show any demonstrable memory for relations among the constituent elements of scenes suggests that amnesia involves a fundamental deficit in relational (declarative) memory processing. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Psychological Science SAGE

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References (27)

Publisher
SAGE
Copyright
© 2000 Association for Psychological Science
ISSN
0956-7976
eISSN
1467-9280
DOI
10.1111/1467-9280.00288
pmid
11202489
Publisher site
See Article on Publisher Site

Abstract

Eye movements were monitored to assess memory for scenes indirectly (implicitly). Two eye movement—based memory phenomena were observed: (a) the repetition effect, a decrease in sampling of previously viewed scenes compared with new scenes, reflecting memory for those scenes, and (b) the relational manipulation effect, an increase in viewing of the regions where manipulations of relations among scene elements had occurred. In normal control subjects, the relational manipulation effect was expressed only in the absence of explicit awareness of the scene manipulations. Thus, memory representations of scenes contain information about relations among elements of the scenes, at least some of which is not accessible to verbal report. But amnesic patients with severe memory impairment failed to show the relational manipulation effect. Their failure to show any demonstrable memory for relations among the constituent elements of scenes suggests that amnesia involves a fundamental deficit in relational (declarative) memory processing.

Journal

Psychological ScienceSAGE

Published: Nov 1, 2000

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