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Related Experiment Video

Updated: Jun 7, 2025

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

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

Published on: October 3, 2018

Autism, intelligence, language, and adaptive behavior, disentangling a complex relationship.

Chiara Failla^1,2, Ileana Scarcella^1,3, Noemi Vetrano^1,4

¹Institute for Biomedical Research and Innovation (IRIB), National Research Council of Italy (CNR), Messina, Italy.

Frontiers in Psychiatry

|November 21, 2024

Summary

This study reveals that intelligence (IQ) significantly impacts adaptive functioning in children with Autism Spectrum Disorder (ASD), and autistic traits correlate negatively with IQ. Current diagnostic systems like ICD-11 may need refinement for better ASD assessment.

Keywords:

ICD-11 classification adaptive behavior adaptive functioning autism cognitive development functional language intelligence quotient parental age

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Probing the Brain in Autism Using fMRI and Diffusion Tensor Imaging

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Published on: September 12, 2011

Area of Science:

Neurodevelopmental Disorders
Child Psychology
Diagnostic Systems

Background:

Autism Spectrum Disorder (ASD) is a complex neurodevelopmental condition with significant heterogeneity in intellectual and language abilities.
Accurate assessment of adaptive functioning is crucial for individualized treatment and understanding ASD symptomatology.
Existing diagnostic classifications may not fully capture the nuances of ASD's impact on development.

Purpose of the Study:

To explore the interplay between autistic traits, demographic variables, IQ, and adaptive functioning in children with ASD.
To evaluate the applicability of ICD-11 classifications in light of observed developmental patterns.
To investigate the relationship between parental factors and children's adaptive skills.

Main Methods:

Analysis of data from 60 autistic children (35-120 months) with a wide IQ range (16-118).
Utilized parent-reports (Vineland Adaptive Behavior Scale - VABS-II) and standardized assessments (PsychoEducational Profile - PEP-3, Griffiths III, ADOS-2).
Classified children based on ICD-11, language, and intellectual functioning levels; performed correlational and multivariate analyses.

Main Results:

A linear effect of IQ on all adaptive scales was observed.
Autistic traits demonstrated an impact on directly measured adaptive functioning.
Factorial effects related to age, intellectual, and linguistic levels showed discrepancies with ICD-11 categorization.
A negative correlation between intelligence and autistic traits was found, alongside parental factors influencing adaptive scales.

Conclusions:

The study questions the precision of ICD-11 distinctions regarding IQ and language in ASD.
Highlights the intricate relationship between autistic traits, IQ, and communication, emphasizing the need for refined diagnostic tools.
Advocates for a multidimensional assessment approach integrating various metrics and informants for personalized ASD interventions and research.