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Comparing Eye-tracking Data of Children with High-functioning ASD, Comorbid ADHD, and of a Control Watching Social Videos
Published on: December 7, 2018
Early social gaze fixation and later inattention and hyperactivity-impulsivity symptoms in children: A longitudinal
Masatsugu Orui1,2,3, Mami Ishikuro2,3, Taku Obara2,3,4
1International Research, Institute of Disaster Science Tohoku University Sendai Japan.
Insights
Early reduced social gaze in boys at age 4 is linked to later attention and hyperactivity-impulsivity symptoms. This suggests potential neurodevelopmental vulnerability and behavioral issues in children.
Area of Science:
- Neurodevelopmental disorders
- Child psychology
- Eye-tracking research
Background:
- Autism Spectrum Disorder (ASD) is associated with altered gaze patterns.
- Understanding early behavioral markers is crucial for identifying neurodevelopmental vulnerabilities.
Purpose of the Study:
- To investigate if early gaze patterns linked to ASD predict later inattention and hyperactivity-impulsivity symptoms.
- To determine if these gaze patterns indicate broader neurodevelopmental vulnerability.
Main Methods:
- Longitudinal study using data from the Tohoku Medical Megabank Project Birth and Three-Generation Cohort Study.
- Gaze fixation on social stimuli at age 4 measured using Gazefinder® in 6571 children.
- Association with inattention and hyperactivity-impulsivity symptoms at age 8 analyzed in 3043 children using ADHD Rating Scale (ADHD-RS).
Main Results:
- In boys, reduced social gaze at age 4 significantly correlated with higher inattention and hyperactivity-impulsivity scores at age 8.
- No significant associations were found in girls in primary analyses, but some emerged after statistical adjustments.
- Eye-tracking data revealed sex-specific differences in the association between early social gaze and later behavioral symptoms.
Conclusions:
- Early reduced social gaze may be an indicator of broader neurodevelopmental vulnerability.
- Altered social gaze patterns in early childhood are associated with later attention and hyperactivity-impulsivity symptoms.
- Findings highlight the potential of eye-tracking for identifying children at risk for neurodevelopmental and behavioral challenges.
Aim:
To examine whether gaze patterns related to ASD are also associated with later inattention and hyperactivity-impulsivity symptoms and whether such gaze patterns may reflect broader neurodevelopmental vulnerability.
Methods:
Using data from the Tohoku Medical Megabank Project Birth and Three-Generation Cohort Study, we examined whether gaze fixation on social information at age 4 was longitudinally associated with inattention and hyperactivity-impulsivity symptoms at age 8. Of 6571 children with gaze data, 3043 whose caregivers completed the ADHD Rating Scale (ADHD-RS) were included. Social gaze-defined as fixation on the eyes in human-face stimuli and on people in people-geometry stimuli-was measured using Gazefinder®. Percentile scores for inattention and hyperactivity-impulsivity were analyzed separately for boys and girls using generalized linear models.
Results:
In boys, shorter gaze fixation on social information at age 4 was significantly associated with higher inattention and hyperactivity-impulsivity percentiles at age 8. In girls, no significant associations were observed in the primary complete-case analyses after full adjustment; however, significant associations for the small window stimulus emerged after inverse-probability weighting.
Conclusion:
Reduced social gaze at age 4, measured using an eye-tracking system originally developed for ASD, was associated with later inattention and hyperactivity-impulsivity symptoms. These findings suggest that early alterations in social gaze may represent a developmental characteristic associated with broader neurodevelopmental vulnerability and later behavioral symptoms, including inattention and hyperactivity-impulsivity.
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