Regulation of hippocampal neurogenesis in adulthood

Elizabeth Gould, Patima Tanapat, Tracy Rydel, Nicholas Hastings

Research output: Contribution to journalArticle

319 Scopus citations

Abstract

A substantial number of new granule neurons are produced in the dentate gyrus in adulthood in a variety of mammalian species, including humans. Numerous studies have demonstrated that the production and survival of new hippocampal neurons can be enhanced or diminished by hormones and experience. Steroid hormones of the ovaries and adrenal glands have been shown to modulate the production of immature neurons by affecting the proliferation of granule cell precursors. Aversive experiences have been demonstrated to decrease the production of immature granule cells, whereas enriching experiences, including learning, have been shown to enhance the survival of new hippocampal cells. These studies indicate that adult-generated neurons represent a unique form of structural plasticity that can be regulated by the environment, and furthermore suggest that new neurons play an important role in hippocampal function. (C) 2000 Society of Biological Psychiatry.

Original languageEnglish (US)
Pages (from-to)715-720
Number of pages6
JournalBiological Psychiatry
Volume48
Issue number8
DOIs
StatePublished - Oct 15 2000

All Science Journal Classification (ASJC) codes

  • Biological Psychiatry

Keywords

  • Dentate gyrus
  • Hippocampus
  • Hormones
  • Neurogenesis
  • Stress

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