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Göteborgs universitets publikationer

"Feeling" Others' Painful Actions: The Sensorimotor Integration of Pain and Action Information

Författare och institution:
India Morrison (Institutionen för neurovetenskap och fysiologi); S. P. Tipper (-); W. L. Fenton-Adams (-); P. Bach (-)
Publicerad i:
Human Brain Mapping, 34 ( 8 ) s. 1982-1998
Artikel, refereegranskad vetenskaplig
Sammanfattning (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.
Ämne (baseras på Högskoleverkets indelning av forskningsämnen):
Medicinska grundvetenskaper ->
Neurovetenskaper ->
action perception, pain observation, empathy, somatosensory, fMRI, tactile discrimination, human parietal operculum, human cingulate cortex, event-related fmri, somatosensory cortex, human brain, cytoarchitectonic areas, frontoparietal circuit, neural processes, macaque monkey, functional mri
Postens nummer:
Posten skapad:
2013-08-13 12:51

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