Adult Human Hippocampus: No New Neurons in Sight

Abstract

In this issue of Cerebral Cortex, Cipriani et al. are following up on the recent report of Sorrels et al. to add novel immunohistological observations indicating that, unlike rodents, adult and aging humans do not acquire new neurons in the hippocampus. The common finding emerging from these 2 different, but almost simultaneous studies is highly significant because the dentate gyrus of the hippocampus was, until recently, considered as the only structure in the human brain that may continue neurogenesis throughout the full life span.

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