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Do Right- and Left-Handed Monkeys Differ on Cognitive Measures?Twelve left- and 14 right-handed monkeys were compared on 6 measures of cognitive performance (2 maze-solving tasks, matching-to-sample, delayed matching-to-sample, delayed response using spatial cues, and delayed response using form cues). The dependent variable was trials-to-training criterion for each of the 6 tasks. Significant differences were found between left- and right-handed monkeys on the 2 versions of the delayed response task. Right-handed monkeys reached criterion significantly faster on the form cue version of the task, whereas left-handed monkeys reached criterion significantly faster on delayed response for spatial position (p less than .05). The results suggest that sensitive hand preference measures of laterality can reveal differences in cognitive performance, which in turn may reflect underlying laterality in functional organization of the nervous system.
Document ID
19970011750
Acquisition Source
Ames Research Center
Document Type
Reprint (Version printed in journal)
Authors
Hopkins, William D.
(Georgia State Univ. Atlanta, GA United States)
Washburn, David A.
(Georgia State Univ. Atlanta, GA United States)
Date Acquired
August 17, 2013
Publication Date
January 1, 1994
Publication Information
Publication: Behavioral Neuroscience
Publisher: American Psychological Association, Inc.
Volume: 108
Issue: 6
ISSN: 0735-7044
Subject Category
Life Sciences (General)
Report/Patent Number
NASA-CR-203378
NAS 1.26:203378
Accession Number
97N70836
Funding Number(s)
CONTRACT_GRANT: NAG2-438
Distribution Limits
Public
Copyright
Public Use Permitted.
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