Visually Evoked Electrocortical Responses in Kittens: Development of Specific and Nonspecific Systems
- 28 May 1965
- journal article
- research article
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 148 (3674) , 1244-1246
- https://doi.org/10.1126/science.148.3674.1244
Abstract
Visually evoked electrocortical responses were differentiated ontogenetically in young kittens by age of onset, latency, and polarity. A long-latency negative wave, present by 4 days of age and abolished later by lesions of the superior colliculus and pretectal region of the midbrain, is attributed to the non-specific sensory system. A short-latency, positive and negative, diphasic wave, developing by 10 to 15 days of age and blocked by lesion of the lateral geniculate body, is identified with the specific visual system.Keywords
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