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Attention allocation in ASD vs. TD children viewing social/non-social interactions by adult/child models, and the dynamics of social attention.
Participants: ASD group: 30 children; TD group: 29 children; age- and sex-matched.
Apparatus: Non-invasive eye tracker (Tobii Pro Spectrum). Stimuli: Eight 60-second videos (4 with child models, 4 with adult models). Questionnaires/Assessments: SRS, AQ, SCQ, ADOS-2, PPVT. Experimental design: A 2 (group: TD, ASD) × 2 (model type: adult, child) × 2 (context: interactive, non-interactive) × 2 (phase: baseline, test) mixed design.
Task: Free viewing of eight videos presented in random order.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Autism Spectrum Disorder (ASD) Group | |||
| Typically Developing (TD) Group |
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| Measure | Description | Time Frame |
|---|---|---|
| Proportion of total fixation duration on human faces, context, activity areas | Proportion of total fiaxtion duration on human faces, context, activity areas was calculated as (total fixation duration on AOIs/ total fixation duration on the screen). | During the full 8 minutes video presentation |
| Number of saccades on human faces, context, activity areas | The number of saccades on human faces, context, activity areas occurring during an interval. | During the full 8 minutes video presentation |
| Social Prioritization Score on human faces, context, activity areas | The difference in the proportion of fixation time between social and non-social interaction information. | During the full 8 minutes video presentation |
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Inclusion Criteria:
- For ASD group: confirmed clinical diagnosis of Autism Spectrum Disorder(DSM-5/ADOS-2) For TD group：TD children without any developmental or neurological disorders Both groups：Normal or corrected-to-normal vision，no color vision deficiencies，and legal guardian provided written informed consent
Exclusion Criteria:
- TD group: meet the study's group-specific screening cutoffs on SRS, SCQ or AQ ASD group：Failure to meet the study's group-specific screening cutoffs on ADOS-2 Both groups：Known genetic syndromes，significant hearing loss or uncorrectable visual impairment
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In this experiment, 47 children with autism spectrum disorder (ASD) were recruited from an autism rehabilitation institution in Chengdu, and 37 typically developing (TD) children were recruited from a kindergarten in Shehong City. All ASD participants were clinically diagnosed with ASD by hospital physicians according to the DSM-5 criteria. Each participant underwent SRS,AQ,and SCQ tests.
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| School of Foreign Languages, University of Electronic Science and Technology of China | Chengdu | Sichuan | 611731 | China |
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| ID | Term |
|---|---|
| D000067877 | Autism Spectrum Disorder |
| ID | Term |
|---|---|
| D002659 | Child Development Disorders, Pervasive |
| D065886 | Neurodevelopmental Disorders |
| D001523 | Mental Disorders |
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