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Examining Gesture Production in the Presence of Communication Challenges
07:18

Examining Gesture Production in the Presence of Communication Challenges

Published on: January 26, 2024

Speech-and-gesture integration in high functioning autism.

Laura B Silverman1, Loisa Bennetto, Ellen Campana

  • 1Department of Clinical and Social Sciences in Psychology, Division of Neurodevelopmental and Behavioral Pediatrics, University of Rochester, Rochester, NY 14627, USA. laura_silverman@urmc.rochester.edu

Cognition
|April 2, 2010
PubMed
Summary
This summary is machine-generated.

Iconic gesture comprehension in autism differs from typical development. While gestures aid typical individuals, they hinder those with autism, suggesting cross-modal integration challenges.

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Using the Visual World Paradigm to Study Sentence Comprehension in Mandarin-Speaking Children with Autism

Published on: October 3, 2018

Area of Science:

  • Neuroscience
  • Developmental Psychology
  • Speech and Language Pathology

Background:

  • Autism spectrum disorder (ASD) is characterized by social communication deficits.
  • Investigating cross-modal integration in autism is crucial for understanding these deficits.
  • Iconic gestures, which visually represent concepts, offer a unique window into multimodal processing.

Purpose of the Study:

  • To assess if cross-modal processing difficulties in autism impede the integration of speech and iconic gestures.
  • To compare gesture comprehension in adolescents with high-functioning autism (HFA) and typical controls.

Main Methods:

  • Utilized the visual world paradigm with eye-tracking to analyze visual fixations.
  • Participants (19 HFA, 20 controls) watched videos of shape descriptions with or without iconic gestures.
  • Measured earlier visual fixations to target shapes as an indicator of auditory-visual integration.

Main Results:

  • Typical controls showed facilitated comprehension with gestures, indicated by earlier visual fixations.
  • Adolescents with HFA did not show this facilitation; gestures hindered their comprehension.
  • These cross-modal integration difficulties were not explained by unimodal speech or gesture processing deficits.

Conclusions:

  • Iconic gestures do not facilitate, but rather impede, comprehension in individuals with autism.
  • Cross-modal processing challenges in autism affect the integration of auditory and visual communicative signals.
  • Findings have significant implications for interventions targeting communication in autism spectrum disorder.