Visual activity is required to maintain the phenotype of supragranular NPY neurons in rat area 17.

Abstract excerpt

Visual activity governs the functional maturation of the mammalian visual cortex. We report here, that visual experience is required for stabilizing the phenotype of a subset of cortical interneurons. Neurons expressing neuropeptide Y mRNA (NPY neurons) display a transiently higher expression in the early postnatal visual areas 18a and 17 that is followed by a phenotype restriction during the second postnatal...

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