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Can Monkeys (Macaca mulatta) Represent Invisible Displacement?Four experiments were conducted to assess whether or not rhesus macaques (Macaca mulatta) could represent the unperceived movements of a stimulus. Subjects were tested on 2 computerized tasks, HOLE (monkeys) and LASER (humans and monkeys), in which subjects needed to chase or shoot at, respectively, a moving target that either remained visible or became invisible for a portion of its path of movement. Response patterns were analyzed and compared between target-visible and target-invisible conditions. Results of Experiments 1, 2, and 3 demonstrated that the monkeys are capable of extrapolating movement. That this extrapolation involved internal representation of the target's invisible movement was suggested but not confirmed. Experiment 4, however, demonstrated that the monkeys are capable of representing the invisible displacements of a stimulus.
Document ID
19970020679
Acquisition Source
Ames Research Center
Document Type
Reprint (Version printed in journal)
External Source(s)
doi:10.1037/0735-7036.110.4.386
Authors
Filion, Christine M. (Georgia Univ. Athens, GA United States)
Washburn, David A. (Georgia State Univ. Atlanta, GA United States)
Gulledge, Jonathan P. (Georgia State Univ. Atlanta, GA United States)
Date Acquired
September 6, 2013
Publication Date
May 17, 1996
Publication Information
Publication: Journal of Comparative Psychology
Publisher: American Psychological Association, Inc.
Volume: 110
Issue: 4
ISSN: 0735-7036
Subject Category
Life Sciences (General)
Report/Patent Number
NAS 1.26:204759
NASA-CR-204759
Accession Number
97N21944
Funding Number(s)
CONTRACT_GRANT: NIH-HD-06016
CONTRACT_GRANT: NAG2-438
Distribution Limits
Public
Copyright
Public Use Permitted.

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