Visual fixation patterns during reciprocal social interaction distinguish a subgroup of 6-month-old infants at-risk for autism from comparison infants

Noah Merin, Gregory S. Young, Sally J Ozonoff, Sally J Rogers

Research output: Contribution to journalArticle

152 Scopus citations

Abstract

Thirty-one infant siblings of children with autism and 24 comparison infants were tested at 6 months of age during social interaction with a caregiver, using a modified Still Face paradigm conducted via a closed-circuit TV-video system. In the Still Face paradigm, the mother interacts with the infant, then freezes and displays a neutral, expressionless face, then resumes interaction. Eye tracking data on infant visual fixation patterns were recorded during the three episodes of the experiment. Using a hierarchical cluster analysis, we identified a subgroup of infants demonstrating diminished gaze to the mother's eyes relative to her mouth during the Still Face episode. Ten out of the 11 infants in this subgroup had an older sibling with autism.

Original languageEnglish (US)
Pages (from-to)108-121
Number of pages14
JournalJournal of Autism and Developmental Disorders
Volume37
Issue number1
DOIs
StatePublished - Jan 2007

Keywords

  • Autism
  • Eye-Mouth Index (EMI)
  • Face perception
  • High-risk infants
  • Siblings
  • Still Face paradigm
  • Visual fixation patterns

ASJC Scopus subject areas

  • Psychology(all)
  • Developmental and Educational Psychology

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