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Emotion Intensity Modulates Intention in ASD

13. maj 2026 opdateret af: Shan Gao, University of Electronic Science and Technology of China

Emotional Expression Intensity Modulates Intention Understanding in Children With ASD: Evidence From Eye Tracking and Hidden Markov Modeling

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.

Studieoversigt

Status

Afsluttet

Betingelser

Detaljeret beskrivelse

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.

Undersøgelsestype

Observationel

Tilmelding (Faktiske)

Kontakter og lokationer

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Studiesteder

Kina
- Sichuan
  - Chengdu, Sichuan, Kina, 611731
    - School of Foreign Languages, University of Electronic Science and Technology of China

Deltagelseskriterier

Forskere leder efter personer, der passer til en bestemt beskrivelse, kaldet berettigelseskriterier. Nogle eksempler på disse kriterier er en persons generelle helbredstilstand eller tidligere behandlinger.

Berettigelseskriterier

Aldre berettiget til at studere

Barn

Tager imod sunde frivillige

Prøveudtagningsmetode

Ikke-sandsynlighedsprøve

Studiebefolkning

Failure to meet the study's group-specific screen cutoffs on the Social Responsiveness Scale(SRS) and ADOS-2; Known genetic syndromes, significant hearing loss, or uncorrectable visual impairment.

Beskrivelse

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.

Studieplan

Dette afsnit indeholder detaljer om studieplanen, herunder hvordan undersøgelsen er designet, og hvad undersøgelsen måler.

Hvordan er undersøgelsen tilrettelagt?

Design detaljer

Antal grupper/kohorter

Kohorter og interventioner

Gruppe / kohorte
Autism Spectrum Disorder (ASD) Group
Typically Developing (TD) Group
Intellectual Disability（ID）Group

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål	Foranstaltningsbeskrivelse	Tidsramme
The visitation rate of the AOI Tidsramme: From second 3 to second 30 of the experimental stimulus.	Number of times the gaze enters the AOI per unit time. It measures how frequently the AOI is re-visited. Higher rates indicate repeated returns, reflecting high interest or difficulty disengaging; lower rates suggest rare or brief attention.	From second 3 to second 30 of the experimental stimulus.
The proportions of fixation duration Tidsramme: During the full 40 seconds video presentation.	fixation duration on an AOI ÷ total fixation duration (or across multiple AOIs). It measures the relative amount of attention allocated to a specific area. Higher proportions indicate prioritized or deeper processing of that region.	During the full 40 seconds video presentation.
The first fixation latency Tidsramme: During the full 40 seconds video presentation.	The First Fixation Latency = time from TOI onset until the first fixation lands on a predefined object. It measures how fast attention is initially drawn to that object. Shorter latencies indicate higher salience or more efficient search.	During the full 40 seconds video presentation.

Sekundære resultatmål

Resultatmål	Foranstaltningsbeskrivelse	Tidsramme
The face fixation transition ratio Tidsramme: From second 13 to second 15 of the experimental stimulus.	Number of gaze transitions from any non-face AOI to a face ÷ total number of gaze transitions. It measures how often attention shifts toward faces. Higher ratios indicate stronger social orienting or difficulty disengaging from faces.	From second 13 to second 15 of the experimental stimulus.

Samarbejdspartnere og efterforskere

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Sponsor

University of Electronic Science and Technology of China

Datoer for undersøgelser

Disse datoer sporer fremskridtene for indsendelser af undersøgelsesrekord og resumeresultater til ClinicalTrials.gov. Studieregistreringer og rapporterede resultater gennemgås af National Library of Medicine (NLM) for at sikre, at de opfylder specifikke kvalitetskontrolstandarder, før de offentliggøres på den offentlige hjemmeside.

Studer store datoer

Studiestart (Faktiske)

15. december 2025

Primær færdiggørelse (Faktiske)

29. januar 2026

Studieafslutning (Faktiske)

27. marts 2026

Datoer for studieregistrering

Først indsendt

6. maj 2026

Først indsendt, der opfyldte QC-kriterier

13. maj 2026

Først opslået (Faktiske)

19. maj 2026

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Faktiske)