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Related Experiment Video

Updated: Aug 3, 2025

Comparing Eye-tracking Data of Children with High-functioning ASD, Comorbid ADHD, and of a Control Watching Social Videos
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Dynamic eye avoidance patterns in the high autistic traits group: An eye-tracking study.

Huiqin Xue1, Ludan Zhang1, Junling Wang1

  • 1Academy of Medical Engineering and Translational Medicine, Tianjin University, Tianjin, China.

Frontiers in Psychiatry
|April 10, 2023
PubMed
Summary

Individuals with high autistic traits exhibit reduced eye fixation on emotional faces, with longer latencies to orient and disengage from eye areas. This pattern may indicate a potential indicator for measuring autistic traits.

Keywords:
autistic traitdynamic strategyface scanningsocial attentiontime course

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Area of Science:

  • Neuroscience
  • Psychology
  • Developmental Science

Background:

  • Reduced fixation on the eye area is a hallmark of social deficits in Autism Spectrum Disorder (ASD).
  • Similar patterns may be present in individuals with high autistic traits, but their eye-scanning patterns of emotional faces over time are not well understood.

Purpose of the Study:

  • To investigate eye movement patterns in individuals with high autistic traits (HAT) compared to those with low autistic traits (LAT) when viewing emotional faces.
  • To determine if fixation time to the eye area and latency measures correlate with autistic trait levels.

Main Methods:

  • Recruited 46 participants, divided into HAT (n=23) and LAT (n=20) groups based on Autism Spectrum Quotient (AQ) scores.
  • Recorded eye movement patterns while participants observed emotional faces at different angles.
  • Extracted proportional fixation time to the eye area across various time windows and calculated orientation and disengagement latencies.

Main Results:

  • The HAT group consistently showed significantly less fixation time on the eye area compared to the LAT group (p < 0.05).
  • Fixation time differences between groups increased in the middle and late stages of face presentation.
  • Linear regression revealed a negative correlation between proportional eye fixation time and AQ scores (p < 0.05).
  • The HAT group exhibited longer latencies to orient to and disengage from the eye area compared to the LAT group (p < 0.05).

Conclusions:

  • Proportional fixation time to the eye area may serve as a potential objective indicator for measuring autistic trait levels.
  • Individuals with high autistic traits demonstrate slower visual attention allocation to and faster disengagement from facial eye regions.
  • These findings contribute to understanding the visual processing differences in individuals with high autistic traits.