• Behav. Brain Res. · Aug 2002

    Global motion detection is impaired in cats deprived early of pattern vision.

    • Kalina Burnat, Erik Vandenbussche, and Bogusław Zernicki.
    • Department of Neurophysiology, Nencki Institute of Experimental Biology, 3 Pasteur St, 02-093 Warsaw, Poland.
    • Behav. Brain Res. 2002 Aug 21;134(1-2):59-65.

    AbstractWe investigated global motion detection in binocularly deprived cats (BD cats) and control cats (C cats). The cats were trained in the two-choice free running apparatus for a food reward. The positive stimulus was a moving random-dot pattern with all dots moving in one direction, the negative stimulus was the same random-dot pattern but stationary. The BD cats were severely impaired in detection of global motion stimulus as compared with the C cats. In contrast, their level of performance in a simple relative motion detection task (one square) did not differ from that in the C cats. However, in more complex relative motion detection task (two squares) the performance of the BD cats was impaired. The deficit in the detection of global motion in BD cats may be due to impairments of their Y-pathway.Copyright 2002 Elsevier Science B.V.

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