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  • Title: Early development of X-cells in kitten lateral geniculate nucleus.
    Author: Norman JL, Pettigrew JD, Daniels JD.
    Journal: Science; 1977 Oct 14; 198(4313):202-4. PubMed ID: 905824.
    Abstract:
    Lateral geniculate nucleus cells of the kitten were classified as X-cells or Y-cells with a contrast reversal test and their latencies to optic chiasm shock were measured. X-cells with mature latencies were found as early as 21 days. Y-cells did not have adult latencies at 40 days. The early development of some X-cells may be due to differential rates of fiber myelination and synaptic maturation within the lateral geniculate nucleus.
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