Dendritic morphology in the striatum and hypothalamus differentially exhibits experience-dependent changes in response to maternal care and early social isolation

Behavioural Brain Research
Soaleha ShamsAlison S Fleming

Abstract

Changes in neuron morphology, stemming from experiences in early life or adulthood, may be the basis for changes in behavior and their underlying functional mechanisms. For example, reproductive experience has been shown to significantly alter neuron morphology in the hippocampus and prefrontal cortex. In contrast to the effects of reproductive experience, a form of enrichment, on neuron morphology, our understanding of the effects of early social isolation on adult neuron morphology is limited. Therefore, the present study examined changes in neuron morphology in the dorsal (caudate nucleus) and ventral (nucleus accumbens, shell region) striatum and the medial preoptic area of adult virgin and postpartum females exposed to either artificial or maternal rearing during development. Primary results show that regardless of early social isolation, neurons in the caudate nucleus of postpartum females have decreased dendritic complexity compared to virgin females. Maternal experience also increased dendritic complexity in neurons of the nucleus accumbens shell. However, both early social isolation and maternal experience in adulthood influenced dendritic complexity in the medial preoptic area. Together these findings suggest that hyp...Continue Reading

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Citations

Jul 26, 2014·Journal of Neuroendocrinology·A DobolyiD S Stolzenberg
Apr 24, 2013·Neuroscience and Biobehavioral Reviews·Daniel E OlazábalNatalia Uriarte
May 18, 2016·Frontiers in Neuroendocrinology·Stephen C GammieBrian E Eisinger
Jul 19, 2016·Hormones and Behavior·Laura M GlynnWendy A Goldberg
Sep 3, 2016·New Directions for Child and Adolescent Development·Mariana Pereira
Sep 3, 2016·New Directions for Child and Adolescent Development·Frances A Champagne, James P Curley
Oct 1, 2016·Brain, Behavior, and Immunity·Achikam HaimBenedetta Leuner
Apr 26, 2017·Annual Review of Neuroscience·Noga ZilkhaTali Kimchi
Mar 9, 2019·Neurochemical Research·Edina Brigitta UdvariArpád Dobolyi

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