Title: Global form perception in cats early deprived of pattern vision
Authors: Burnat, Kalina ×
Stiers, Peter
Arckens, Lut
Van den Bussche, E
Zernicki, B #
Issue Date: May-2005
Publisher: Lippincott williams & wilkins
Series Title: Neuroreport vol:16 issue:7 pages:751-754
Abstract: Recently, we showed that binocularly deprived cats are not able to detect global motion in a random dot pattern (Burnat et al., 2002). Here, we examined, in these animals, a global form discrimination task, that is, distinction of a square from a rectangle, matched for total surface. In contrast to the previously tested motion task, binocularly-deprived cats, as compared with controls, performed only at higher thresholds. Interestingly, the increase of the stimuli's surface, or a shift from horizontal to vertical orientation of the rectangle, significantly impaired their performance. We therefore conclude that binocularly-deprived cats do not attend to the global form of the stimuli. Instead, they spontaneously choose a local cue to discriminate and are not able to modify it. NeuroReport 16:751-754 © 2005 Lippincott Williams & Wilkins.
ISSN: 0959-4965
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Research Group Neurophysiology
Animal Physiology and Neurobiology Section - miscellaneous
Laboratory for Experimental Psychology
× corresponding author
# (joint) last author

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