期刊
NEUROSCIENCE RESEARCH
卷 70, 期 2, 页码 183-188出版社
ELSEVIER IRELAND LTD
DOI: 10.1016/j.neures.2011.02.007
关键词
Maternal behavior; Prefrontal cortex; Near-infrared spectroscopy; Emotions; Facial expression; Reproduction neuroendocrinology; Imaging
资金
- Research Institute of Science and Technology for Society
- Japan Science and Technology Agency
- KAKENHI [19790180, 21590259]
- Grants-in-Aid for Scientific Research [21590259, 19790180] Funding Source: KAKEN
A considerable body of research has focused on neural responses evoked by emotional facial expressions, but little is known about mother-specific brain responses to infant facial emotions. We used near-infrared spectroscopy to investigate prefrontal activity during discriminating facial expressions of happy, angry, sad, fearful, surprised and neutral of unfamiliar infants and unfamiliar adults by 14 mothers and 14 age. matched females who have never been pregnant (non-mothers). Our results revealed that discriminating infant facial emotions increased the relative oxyHb concentration in mothers' right prefrontal cortex but not in their left prefrontal cortex, compared with each side of the prefrontal cortices of non-mothers. However, there was no difference between mothers and non-mothers in right or left prefrontal cortex activation while viewing adult facial expressions. These results suggest that the right prefrontal cortex is involved in human maternal behavior concerning infant facial emotion discrimination. Crown Copyright (C) 2011 Published by Elsevier Ireland Ltd and the Japan Neuroscience Society. All rights reserved.
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