Gentle touch activates the anterior prefrontal cortex: An NIRS study

Tetsuo Kida, Kazuyuki Shinohara

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

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.

Original languageEnglish
Pages (from-to)76-82
Number of pages7
JournalNeuroscience Research
Volume76
Issue number1-2
DOIs
Publication statusPublished - 2013 May

Fingerprint

Near-Infrared Spectroscopy
Touch
Prefrontal Cortex
Frontal Lobe
Emotions
Hand
Reward
Forearm
Hemoglobins
Brain

Keywords

  • Emotion
  • Pleasant touch
  • Reward

ASJC Scopus subject areas

  • Neuroscience(all)

Cite this

Gentle touch activates the anterior prefrontal cortex : An NIRS study. / Kida, Tetsuo; Shinohara, Kazuyuki.

In: Neuroscience Research, Vol. 76, No. 1-2, 05.2013, p. 76-82.

Research output: Contribution to journalArticle

Kida, Tetsuo ; Shinohara, Kazuyuki. / Gentle touch activates the anterior prefrontal cortex : An NIRS study. In: Neuroscience Research. 2013 ; Vol. 76, No. 1-2. pp. 76-82.
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