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| Research article summary (published 29 Jun 2003): |
False recognition of abstract versus common objects in older and younger adults: testing the semantic categorization account.
Full Abstract
Older adults often demonstrate higher levels of false recognition than do younger adults. However, in experiments using novel shapes without preexisting semantic representations, this age-related elevation in false recognition was found to be greatly attenuated. Two experiments tested a semantic categorization account of these findings, examining whether older adults show especially heightened false recognition if the stimuli have preexisting semantic representations, such that semantic category information attenuates or truncates the encoding or retrieval of item-specific perceptual information. In Experiment 1, ambiguous shapes were presented with or without disambiguating semantic labels. Older adults showed higher false recognition when labels were present but not when labels were never presented. In Experiment 2, older adults showed higher false recognition for concrete but not abstract objects. The semantic categorization account was supported.
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Author information
Author/s: Koutstaal, Wilma (W); Reddy, Chandan (C); Jackson, Eric M (EM); Prince, Steve (S); Cendan, Daniel L (DL); Schacter, Daniel L (DL);
Affiliation: Department of Psychology, Harvard University, Cambridge, Massachusetts, USA. w.koutstaal(-atsign-)reading.ac.uk
Grants: AG08441 (Agency:United States NIA)
Journal and publication information
Publication Type: Journal Article; Research Support, U.S. Gov't, P.H.S.
Journal: Journal of experimental psychology. Learning, memory, and cognition (J Exp Psychol Learn Mem Cogn), published in United States. (Language: eng)
Reference: 2003-Jul; vol 29 (issue 4) : pp 499-510
Dates: Created 2003/08/19; Completed 2003/09/30; Revised 2007/11/14;
PMID: 12924853, status: MEDLINE (last retrieval date: 11/6/2008)
Sourced from the National Library of Medicine. Abstract text and other information may be subject to copyright.
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