WO WO2026170027A1
A social attention assessment system and method that provides objective developmental evaluation in children aged 12-48 months through multi-domain eye-tracking analysis. Examples of the system administer six brief tests measuring visual social attention, auditory social attention, and attention-shifting capabilities using naturalistic video stimuli and gaze-contingent audio presentation wherein infant-directed speech or non-social sounds are activated based on real-time gaze location. An eye-tracking device captures fixation patterns, saccadic movements, and attention-shifting cycles during stimulus presentation. Extracted metrics are compared against an age-gender stratified normative database containing data from over 2,000 children organized in 4-month age bins. Dual classification approaches including threshold-based and machine learning methods generate percentile rankings indicating where the child's social attention falls relative to age-matched peers. The complete assessment requires 10-20 minutes by trained technicians, enabling routine pediatric screening while providing detailed developmental profiles supporting intervention planning and preschool readiness assessment.
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