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| Research article summary (published 30 Dec 2001): |
Sex and spatial position effects on object location memory following intentional learning of object identities.
Full Abstract
Memory for object location relative both to veridical center (left versus right visual hemispace) and to eccentricity (central versus peripheral objects) was measured in 26 males and 25 females using the Silverman and Eals Location Memory Task. A subset of participants (17 males and 13 females) also completed a measure of implicit learning, the mirror-tracing task. No sex differences were observed in memory for object identities. Further, in both sexes, memory for object locations was better for peripherally located objects than for centrally located objects. In contrast to these similarities in female and male task performance, females but not males showed better recovery of object locations in the right compared to the left visual hemispace. Moreover, memory for object locations in the right hemispace was associated with mirror-tracing performance in women but not in men. Together, these data suggest that the processing of object features and object identification in the left cerebral hemisphere may include processing of spatial information that may contribute to superior object location memory in females relative to males.
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Author information
Author/s: Alexander, Gerianne M (GM); Packard, Mark G (MG); Peterson, Bradley S (BS);
Affiliation: Yale Child Study Center, New Haven, CT 06520, USA. gerianne.alexander-packard@yale.edu
Grants: MH01232 (Agency:United States NIMH) ; MH056973 (Agency:United States NIMH) ; MH59139 (Agency:United States NIMH)
Journal and publication information
Publication Type: Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, P.H.S.
Journal: Neuropsychologia (Neuropsychologia), published in England. (Language: eng)
Reference: 2002-; vol 40 (issue 8) : pp 1516-22
Dates: Created 2002/04/04; Completed 2002/09/03; Revised 2007/11/14;
PMID: 11931956, 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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