"Feeling" others' painful actions: The sensorimotor integration of pain and action information

India Morrison*, Steve P. Tipper, Wendy L. Fenton-Adams, Patric Bach

*Corresponding author for this work

Research output: Contribution to journalArticle

37 Citations (Scopus)

Abstract

Sensorimotor regions of the brain have been implicated in simulation processes such as action understanding and empathy, but their functional role in these processes remains unspecified. We used functional magnetic resonance imaging (fMRI) to demonstrate that postcentral sensorimotor cortex integrates action and object information to derive the sensory outcomes of observed hand–object interactions. When subjects viewed others’ hands grasping or withdrawing from objects that were either painful or nonpainful, distinct sensorimotor subregions emerged as showing preferential responses to different aspects of the stimuli: object information (noxious vs. innocuous), action information (grasps vs. withdrawals), and painful action outcomes (painful grasps vs. all other conditions). Activation in the latter region correlated with subjects’ ratings of how painful each object would be to touch and their previous experience with the object. Viewing others’ painful grasps also biased behavioral responses to actual tactile stimulation, a novel effect not seen for auditory control stimuli. Somatosensory cortices, including primary somatosensory areas 1/3b and 2 and parietal area PF, may therefore subserve somatomotor simulation processes by integrating action and object information to anticipate the sensory consequences of observed hand–object interactions.
Original languageEnglish
Pages (from-to)1982-1998
Number of pages17
JournalHuman Brain Mapping
Volume34
Issue number8
Early online date25 Mar 2012
DOIs
Publication statusPublished - 8 Jul 2013

Keywords

  • Action perception
  • Empathy
  • FMRI
  • Pain observation
  • Somatosensory
  • Tactile discrimination

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