stay tuned: inter-individual neural synchronization during mutual gaze and joint attention

Clicks: 271
ID: 168241
2010
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Abstract
Eye contact provides a communicative link between humans, prompting joint attention. As spontaneous brain activity may have an important role in coordination of neuronal processing within the brain, their inter-subject synchronization may occur during eye contact. To test this, we conducted simultaneous functional MRI in pairs of adults. Eye contact was maintained at baseline while the subjects engaged in real-time gaze exchange in a joint attention task. Averted gaze activated the bilateral occipital pole extending to the right posterior superior temporal sulcus, the dorso-medial prefrontal cortex, and bilateral inferior frontal gyrus. Following a partner’s gaze towards an object activated the left intraparietal sulcus. After all task-related effects were modeled out, inter-individual correlation analysis of residual time-courses was performed. Paired subjects showed more prominent correlations than non-paired subjects in the right inferior frontal gyrus, suggesting that this region is involved in sharing intention during eye contact that provides the context for joint attention.
Reference Key
saito2010frontiersstay Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Daisuke N Saito;Daisuke N Saito;Hiroki C Tanabe;Hiroki C Tanabe;Keise Izuma;Keise Izuma;Masamichi J Hayashi;Masamichi J Hayashi;Yusuke Morito;Yusuke Morito;Hidetsugu Komeda;Hidetsugu Komeda;Hitoshi Uchiyama;Hirotaka Kosaka;Hidehiko Okazawa;Yasuhisa Fujibayashi;Norihiro Sadato;Norihiro Sadato;Norihiro Sadato;Norihiro Sadato
Journal drug research
Year 2010
DOI
10.3389/fnint.2010.00127
URL
http://journal.frontiersin.org/Journal/10.3389/fnint.2010.00127/full
Keywords
functional mri diseases of the nervous system neuropsychiatryneurology biological psychiatry

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