alexa Prenatal stress produces learning deficits associated with an inhibition of neurogenesis in the hippocampus.
Psychiatry

Psychiatry

Journal of Depression and Anxiety

Author(s): Lemaire V, Koehl M, Le Moal M, Abrous DN

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Abstract Early experiences such as prenatal stress significantly influence the development of the brain and the organization of behavior. In particular, prenatal stress impairs memory processes but the mechanism for this effect is not known. Hippocampal granule neurons are generated throughout life and are involved in hippocampal-dependent learning. Here, we report that prenatal stress in rats induced lifespan reduction of neurogenesis in the dentate gyrus and produced impairment in hippocampal-related spatial tasks. Prenatal stress blocked the increase of learning-induced neurogenesis. These data strengthen pathophysiological hypotheses that propose an early neurodevelopmental origin for psychopathological vulnerabilities in aging.
This article was published in Proc Natl Acad Sci U S A and referenced in Journal of Depression and Anxiety

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