Differential hemispheric and visual stream contributions to ensemble coding of crowd emotion

Hee Yeon Im, Daniel N. Albohn, Troy G. Steiner, Cody A. Cushing, Reginald Adams, Jr., Kestutis Kveraga

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

In crowds, where scrutinizing individual facial expressions is inefficient, humans can make snap judgments about the prevailing mood by reading 'crowd emotion'. We investigated how the brain accomplishes this feat in a set of behavioural and functional magnetic resonance imaging studies. Participants were asked to either avoid or approach one of two crowds of faces presented in the left and right visual hemifields. Perception of crowd emotion was improved when crowd stimuli contained goal-congruent cues and was highly lateralized to the right hemisphere. The dorsal visual stream was preferentially activated in crowd emotion processing, with activity in the intraparietal sulcus and superior frontal gyrus predicting perceptual accuracy for crowd emotion perception, whereas activity in the fusiform cortex in the ventral stream predicted better perception of individual facial expressions. Our findings thus reveal significant behavioural differences and differential involvement of the hemispheres and the major visual streams in reading crowd versus individual face expressions.

Original languageEnglish (US)
Pages (from-to)828-842
Number of pages15
JournalNature Human Behaviour
Volume1
Issue number11
DOIs
StatePublished - Nov 1 2017

Fingerprint

Emotions
Facial Expression
Reading
Parietal Lobe
Prefrontal Cortex
Cues
Magnetic Resonance Imaging
Brain

All Science Journal Classification (ASJC) codes

  • Social Psychology
  • Experimental and Cognitive Psychology
  • Behavioral Neuroscience

Cite this

Im, Hee Yeon ; Albohn, Daniel N. ; Steiner, Troy G. ; Cushing, Cody A. ; Adams, Jr., Reginald ; Kveraga, Kestutis. / Differential hemispheric and visual stream contributions to ensemble coding of crowd emotion. In: Nature Human Behaviour. 2017 ; Vol. 1, No. 11. pp. 828-842.
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Differential hemispheric and visual stream contributions to ensemble coding of crowd emotion. / Im, Hee Yeon; Albohn, Daniel N.; Steiner, Troy G.; Cushing, Cody A.; Adams, Jr., Reginald; Kveraga, Kestutis.

In: Nature Human Behaviour, Vol. 1, No. 11, 01.11.2017, p. 828-842.

Research output: Contribution to journalArticle

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