Temporal properties of pattern adaptation of relay cells in the lateral geniculate nucleus of cats
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- Yang, Y., Jin, J., Zhou, Y. et al. Chin.Sci.Bull. (2001) 46: 1463. doi:10.1007/BF03187032
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The temporal properties of pattern adaptation of relay cells induced by repeated sinusoidal drifting grating were investigated in the dorsal lateral geniculate nucleus (dLGN) of cats. The results showed that the response amplitude declined and the response latency prolonged when relay cells were pattern-adapted in dLGN, like the similar findings in visual cortex. However, in contrast to the result in cortex, the response phase of relay cells advanced. This implies that an inhibition with relatively long latency may participate in the pattern adaptation of dLGN cells and the adaptation in dLGN may be via a mechanism different from that of visual cortex.