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Eye-tracking correlates of response to joint attention in preschool children with autism spectrum disorder
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Eye-tracking correlates of response to joint attention in preschool children with autism spectrum disorder
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Eye-tracking correlates of response to joint attention in preschool children with autism spectrum disorder
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Journal Article
Eye-tracking correlates of response to joint attention in preschool children with autism spectrum disorder
2023
Overview
Background
A number of differences in joint attention behaviour between children with autism spectrum disorder (ASD) and typically developing (TD) individuals have previously been documented.
Method
We use eye-tracking technology to assess response to joint attention (RJA) behaviours in 77 children aged 31 to 73 months. We conducted a repeated-measures analysis of variance to identify differences between groups. In addition, we analysed correlations between eye-tracking and clinical measures using Spearman’s correlation.
Results
The children diagnosed with ASD were less likely to follow gaze compared to TD children. Children with ASD were less accurate at gaze following when only eye gaze information was available, compared to when eye gaze with head movement was observed. Higher accuracy gaze-following profiles were associated with better early cognition and more adaptive behaviours in children with ASD. Less accurate gaze-following profiles were associated with more severe ASD symptomatology.
Conclusion
There are differences in RJA behaviours between ASD and TD preschool children. Several eye-tracking measures of RJA behaviours in preschool children were found to be associated with clinical measures for ASD diagnosis. This study also highlights the construct validity of using eye-tracking measures as potential biomarkers in the assessment and diagnosis of ASD in preschool children.
Publisher
BioMed Central,Springer Nature B.V,BMC
Subject
