Research on Ganglion Cell Responses After Laser Exposure of the Retina PDF Download

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Research on Ganglion Cell Responses After Laser Exposure of the Retina

Research on Ganglion Cell Responses After Laser Exposure of the Retina PDF Author: Myron L. Wolbarsht
Publisher:
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Languages : en
Pages : 51

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Book Description
Electrophysiological recordings were made from retinal ganglion cells in the macula (including fovea) of several species of Macaque monkeys. After exposure to high-intensity argon or HeNe lasers both above and below the lesion level, the receptive fields lacked a peripheral portion. This was accompanied by a slight increase in the central portion of the receptive field. Some quite large receptive fields were found around the fovea, often extending through it. The large receptive fields could also extend through the site of a laser lesion. No unsymmetrical changes in the receptive field were seen, even in receptive fields adjacent to, or partially within, a laser lesion site. Histological examination did not show any changes in the retinal organization adjacent to laser lesion even where the ganglion cells had center-only receptive fields. (Author).