期刊
JOURNAL OF NEUROSCIENCE
卷 34, 期 3, 页码 748-757出版社
SOC NEUROSCIENCE
DOI: 10.1523/JNEUROSCI.0352-13.2014
关键词
action; emotion; mirroring; simulation; somatosensation; synchronization
资金
- aivoAALTO project of the Aalto University, Academy of Finland (National Centers of Excellence Programme) [265917, 131483, 138145]
- European Research Council (ERC) Starting Grant [313000]
- ERC Advanced Grant [232946]
A frontoparietal action-observation network (AON) has been proposed to support understanding others' actions and goals. We show that the AON ticks together in human subjects who are sharing a third person's feelings. During functional magnetic resonance imaging, 20 volunteers watched movies depicting boxing matches passively or while simulating a prespecified boxer's feelings. Instantaneous intersubject phase synchronization (ISPS) was computed to derive multisubject voxelwise similarity of hemodynamic activity and inter-area functional connectivity. During passive viewing, subjects' brain activity was synchronized in sensory projection and posterior temporal cortices. Simulation induced widespread increase of ISPS in the AON (premotor, posterior parietal, and superior temporal cortices), primary and secondary somatosensory cortices, and the dorsal attention circuits (frontal eye fields, intraparietal sulcus). Moreover, interconnectivity of these regions strengthened during simulation. We propose that sharing a third person's feelings synchronizes the observer's own brain mechanisms supporting sensations and motor planning, thereby likely promoting mutual understanding.
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