期刊
NEUROSCIENCE RESEARCH
卷 76, 期 1-2, 页码 76-82出版社
ELSEVIER IRELAND LTD
DOI: 10.1016/j.neures.2013.03.006
关键词
Reward; Emotion; Pleasant touch
资金
- Alumni Association of Nagasaki University School of Medicine
Gentle touching of the hand activates emotion- and reward-related regions of the brain. The present study investigated activation of the prefrontal cortex by gentle sweeps of the palm or forearm with three materials (wood, velvet, paintbrush) using near-infrared spectroscopy (NIRS). Sweeps of the left palm with a sensuous velvet fabric increased the oxy-hemoglobin (oxy-Hb) concentration in the frontal-polar cortex (FPC) and a part of the orbitofrontal cortex (OFC), compared to a neutral touch produced by rounded wood. Pleasantness ratings were higher for the velvet than wood. In conclusion, the present study revealed the involvement of the FPC/OFC in pleasant emotion produced by gentle touch to the hand. (c) 2013 Elsevier Ireland Ltd and the Japan Neuroscience Society. All rights reserved.
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