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Science 8 July 1977:
Vol. 197. no. 4299, pp. 173 - 174
DOI: 10.1126/science.877550
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Articles

Science, Vol 197, Issue 4299, 173-174
Copyright © 1977 by American Association for the Advancement of Science

articles

Siamese cats: abnormal responses of retinal ganglion cells

YM Chino, MS Shansky, and DI Hamasaki

Comparison of optic tract recordings in Siamese and ordinary cats reveals that Siamese cats have a significantly lower percentage of Y-cells than of X-cells. In addition, Siamese cats show depressed responses to a contrast-reversal stimulus, a result that supports the lower spatial contrast sensitivity demonstrated behaviorally by these animals. Both physiological findings suggest neurophysiological anomalies in the Siamese retina.




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Science. ISSN 0036-8075 (print), 1095-9203 (online)