量研学術機関リポジトリ「QST-Repository」は、国立研究開発法人 量子科学技術研究開発機構に所属する職員等が生み出した学術成果（学会誌発表論文、学会発表、研究開発報告書、特許等）を集積しインターネット上で広く公開するサービスです。 Welcome to QST-Repository where we accumulates and discloses the academic research results(Journal Publications, Conference presentation, Research and Development Report, Patent, etc.) of the members of National Institutes for Quantum and Radiological Science and Technology.
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Aim: Neuroimaging studies on biological motion
have established the view that the posterior superior
temporal sulcus (pSTS) is involved in detecting
intention of others. Those studies have consistently
reported other regions such as body-selective extrastriate
body area (EBA) and motion-sensitive middle
temporal, in close proximity to pSTS. Whether EBA
responds only to static body parts or has a more
extended role as part of a system for inferring intention
of others has remained an elusive issue. The aim
of the present study was to investigate the role of EBA
in processing goal-directed actions.
Methods: Twelve healthy volunteers participated in
the present study. Using sports-related motions as
visual stimuli, brain activations were examined
during observation of goal-directed actions and
non-goal-directed actions on functional magnetic
resonance imaging.
Results: Compared to non-goal-directed actions,
goal-directed actions produced greater activations in
EBA along with the mirror neuron system.
Conclusions: EBA might contribute to understanding
others actions by representing the dynamic aspects of
human motions.
Key words: extrastriate body area, fMRI, goal-directed
actions, mirror neuron system, sports.
Enhanced activation in the extrastriate body area by goal-directed actions
