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IS THERE AN EFFECT OF MONOCULAR DEPRIVATION ON THE PROPORTIONS OF X-CELLS AND Y-CELLS IN THE CAT LATERAL GENICULATE-NUCLEUS

IS THERE AN EFFECT OF MONOCULAR DEPRIVATION ON THE PROPORTIONS OF X-CELLS AND Y-CELLS IN THE CAT LATERAL GENICULATE-NUCLEUS EXPERIMENTAL BRAIN RESEARCH Shapley, R., So, Y. T. 1980; 39 (1): 41-48

Abstract

The proportions and receptive properties of X and Y cells in the A and A1 layers of the lateral geniculate nucleus (LGN) were studied in monocularly deprived cats. Contrary to previous reports, we found that there was no change in the relative number of Y cells in the geniculate layers driven by the deprived eye. There was also no marked change in the spatial resolution of X or Y cells driven from the deprived eye as compared to the cells driven from the normally experienced eye. In these same cats, the visual evoked potential from stimulation of the deprived eye with grating patterns was markedly reduced in amplitude. Furthermore, the cell bodies of the cells in the LGN driven by the deprived eye had shrunk. Therefore, these usual consequences of monocular deprivation are not necessarily associated with a loss of geniculate Y cells.

View details for Web of Science ID A1980JQ53200006

View details for PubMedID 7379885