期刊
HUMAN BRAIN MAPPING
卷 30, 期 10, 页码 3332-3338出版社
WILEY
DOI: 10.1002/hbm.20755
关键词
amygdala; emotional; face; fMRI; social; superficial amygdala; probabilistic map
资金
- German Federal Ministry of Education
- Research (BMBF) [01GW0671]
- German Research Foundation (DFG) [HU1302/2-1]
The human amygdala plays a pivotal role in the processing of socially significant information. Anatomical studies show that the human amygdala is not a single homogeneous structure but is composed of segregable subregions. These have recently been functionally delineated by using a combination of functional magnetic resonance imaging (WRI) and cytoarchitectonically defined probabilistic maps. However, the response characteristics and individual contribution of these subregions to the processing of social-emotional stimuli are little understood. Here, we used this novel technique to segregate intra-amygdalar responses to facial expressions and nonsocial control stimuli. We localized facial expression-evoked signal changes bilaterally in the superficial amygdala, which suggests that this subregion selectively extracts the social value of incoming sensory information. Hum Brain Mapp 30:3332-3338, 2009. (C) 2009 Wiley-Liss, Inc.
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