SLPOtherJournal of autism and developmental disorders2024

Visual Attention to Dynamic Emotional Faces in Adults on the Autism Spectrum.

Sylwia Macinska, Shane Lindsay, Tjeerd Jellema

PMID 37079180

WHAT IT FOUND

Adults with high-functioning autism looked at the eyes of dynamic faces for 43.6% of the time, compared to 64.8% in matched controls.

However, adults with high autistic-like traits but no diagnosis looked at the eyes for 71.5%, showing no difference from low-trait controls.

Key findings

01Individuals with high-functioning autism fixated significantly less on the eye region and more on the nose and rest of the head compared to matched controls.

02Typically developing adults with high autistic-like traits (high AQ) did not differ from those with low traits in eye fixation, despite the high AQ group looking at eyes for 71.5% of the time.

03The immediate perceptual history of the face (the preceding dynamic morph) did not differentially affect scanning patterns between groups; all groups showed similar shifts in attention from eyes to mouth.

STILL TO COME

How it was doneWhat they foundWhat it means for SLPs

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What it does not show

The study only included adults with high-functioning autism; findings may not apply to children, adolescents, or those with more severe support needs. Eye-tracking measures where a person looks, but not whether they actually process or perceive that information. The high AQ group in Experiment 1 contained more females, while the HFA group in Experiment 2 was predominantly male, which may confound comparisons across the spectrum. No direct measure of social functioning or emotion recognition accuracy was collected to link scanning patterns to real-world outcomes.

Declared interests

None declared in the provided text.

The easy way to misread this

Do not conclude that atypical face scanning is a universal marker of the autism spectrum or that it predicts social difficulty. Adults with high autistic-like traits but no diagnosis looked at the eyes more than the control group in Experiment 1, and the study did not link scanning patterns to actual social functioning.

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