Inhibitory gamma-aminobutyric-acid-containing interneurons play important roles in the functions of the neocortex. During rodent development, most neocortical interneurons are generated in the subpallium and migrate tangentially toward the neocortex. They migrate through multiple pathways to enter the neocortex. Failure of interneuron migration through these pathways during development leads to an abnormal distribution and abnormal functions of interneurons in the postnatal brain. Because of recent discoveries regarding the novel origins and migratory pathways of neocortical interneurons, in this article we review the literature on the migratory pathways of interneurons when they enter the neocortex.
- Cerebral cortex
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