Perceiving social interactions in the posterior superior temporal sulcus

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  • Leyla Isik
    Massachusetts Institute of Technology
  • Kami Koldewyn
  • David Beeler
    Massachusetts Institute of Technology
  • Nancy Kanwisher
    Massachusetts Institute of Technology
Humans spend a large percentage of their time perceiving the appearance, actions, and intentions of others, and extensive previous research has identified multiple brain regions engaged in these functions. However, social life depends on the ability to understand not just individuals, but also groups and their interactions. Here we show that a specific region of the posterior superior temporal sulcus responds strongly and selectively when viewing social interactions between two other agents. This region also contains information about whether the interaction is positive (helping) or negative (hindering), and may underlie our ability to perceive, understand, and navigate within our social world.

Keywords

  • Social Perception, Social Interaction, Superior Temporal Sulcus, fMRI, Social Brain
Original languageEnglish
Pages (from-to)E9145-E9152
JournalPNAS
Volume114
Issue number43
Early online date9 Oct 2017
DOIs
Publication statusPublished - Oct 2017

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