NCT07597655CompletedNot Applicable
Emotional Expression Intensity Modulates Intention Understanding in Children With ASD: Evidence From Eye Tracking and Hidden Markov Modeling
University of Electronic Science and Technology of China1 site in 1 country80 target enrollmentStarted: December 15, 2025Last updated:
Conditions
Trial Snapshot
- Phase
- Not Applicable
- Status
- Completed
- Sponsor
- Enrollment
- 80
- Locations
- 1
Study Overview
Brief Summary
This study used eye-tracking to examine how emotional expression intensity (low/medium/high) influences intention understanding in children with ASD, PDD, and TD during a puzzle-search task.
Detailed Description
This study examined how emotional expression intensity influences children's intention understanding during a puzzle-search task. Children with ASD, PDD, and typical development (TD) watched videos in which a model searched for a missing puzzle piece under three levels of emotional expression intensity: low, medium, and high. Eye-tracking measures were used to assess both the outcome and the dynamic process of intention understanding.
Study Design
- Study Type
- Observational
- Observational Model
- Cohort
- Time Perspective
- Cross Sectional
Eligibility Criteria
- Ages
- 3 Years to 10 Years (Child)
- Sex
- All
- Accepts Healthy Volunteers
- Yes
Inclusion Criteria
- •- Typically developing children without any developmental or neurological disorders.
- •Confirmed clinical diagnosis of Autism Spectrum Disorder and reconfirmed by the criteria of the Diagnostic Observation Table for ASD, Second Edition (ADOS-2).
- •Confirmed clinical diagnosis of Intellectual Disability and the ADOS-2 with a comparison score below the ASD diagnostic cut-off score (comparison score≤2).
Exclusion Criteria
- •- Normal or corrected-to-normal vision, no color vision deficiencies, and legal guardian provided written informed consent.
Arms & Interventions
Autism Spectrum Disorder (ASD) Group
Typically Developing (TD) Group
Intellectual Disability（ID）Group
Investigators
Shan Gao
Professor
University of Electronic Science and Technology of China
Study Sites (1)
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