Gentle touch activates the prefrontal cortex in infancy: An NIRS study

Tetsuo Kida, Kazuyuki Shinohara

Research output: Contribution to journalArticle

23 Citations (Scopus)

Abstract

Previous studies have demonstrated that pleasant touch activates reward-related cortical regions including the anterior prefrontal cortex (APFC) in adults, but the developmental change is still unknown in infancy. The present study used near infrared spectroscopy (NIRS) to investigate activation of the APFC by gentle touching of the hand of infants 2-16 months after birth, who were classified into three groups (3, 6 and 10 months old). Results showed that 10-month-olds, but not 3- and 6-month-olds, showed bilateral activation of the APFC by gentle touching of the palm with a sensuous velvet fabric compared to touch with rounded wood. The present finding suggests that developmental changes in the tactile affective system are associated with the activation of the APFC and that the critical point is between 6 and 10 months after birth.

Original languageEnglish
Pages (from-to)63-66
Number of pages4
JournalNeuroscience Letters
Volume541
DOIs
Publication statusPublished - 2013 Apr 29

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Near-Infrared Spectroscopy
Touch
Prefrontal Cortex
Parturition
Reward
Hand

Keywords

  • Development
  • Hemodynamics
  • Plasticity
  • Pleasant touch

ASJC Scopus subject areas

  • Neuroscience(all)

Cite this

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

In: Neuroscience Letters, Vol. 541, 29.04.2013, p. 63-66.

Research output: Contribution to journalArticle

Kida, Tetsuo ; Shinohara, Kazuyuki. / Gentle touch activates the prefrontal cortex in infancy : An NIRS study. In: Neuroscience Letters. 2013 ; Vol. 541. pp. 63-66.
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