期刊
FRONTIERS IN NEUROENDOCRINOLOGY
卷 34, 期 4, 页码 300-314出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.yfrne.2013.07.008
关键词
Estrogen; Estradiol; Maternal behavior; Experience-dependent plasticity; Auditory cortex; Parenting; Infant; Natural stimulus; Vocalization; Memory
资金
- NIH NIDCD [008343]
- NSF CBN [IBN-9876754]
Much of the literature on maternal behavior has focused on the role of infant experience and hormones in a canonical subcortical circuit for maternal motivation and maternal memory. Although early studies demonstrated that the cerebral cortex also plays a significant role in maternal behaviors, little has been done to explore what that role may be. Recent work though has provided evidence that the cortex, particularly sensory cortices, contains correlates of sensory memories of infant cues, consistent with classical studies of experience-dependent sensory cortical plasticity in non-maternal paradigms. By reviewing the literature from both the maternal behavior and sensory cortical plasticity fields, focusing on the auditory modality, we hypothesize that maternal hormones (predominantly estrogen) may act to prime auditory cortical neurons for a longer-lasting neural trace of infant vocal cues, thereby facilitating recognition and discrimination. This couldthen more efficiently activate the subcortical circuit to elicit and sustain maternal behavior. (C) 2013 Elsevier Inc. All rights reserved.
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