Herein, the genetic control of regionalization and connectivity of the neocortex are reviewed. Evidence is accumulating which suggests that intrinsic mechanisms have a central role in controlling cortical regional specification and differentiation. Expression patterns of several genes (Id-2, Tbr-1, cadherin-6, cadherin-8, neuropilin-2, Wnt-7b, Eph-A7 and RZR-beta) are described; the expressions of these genes have regional boundaries which demarcate distinct functional areas of the cerebral cortex in neonatal mice.
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John L.R. Rubenstein (1999) studied this question.
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