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Related Experiment Video

Updated: Dec 10, 2025

Testing Sensory and Multisensory Function in Children with Autism Spectrum Disorder

Testing Sensory and Multisensory Function in Children with Autism Spectrum Disorder

Published on: April 22, 2015

Editorial: Meaningfully Stratifying the Autism Spectra.

Meng-Chuan Lai¹

¹Centre for Addiction and Mental Health, The Hospital for Sick Children, University of Toronto, Canada; Autism Research Centre, University of Cambridge, United Kingdom; and National Taiwan University Hospital and College of Medicine, Taipei.

Journal of the American Academy of Child and Adolescent Psychiatry

|August 27, 2020

Summary

Autism is a spectrum with diverse characteristics, not a single entity. Understanding this heterogeneity is key for personalized interventions and support for autistic individuals and families.

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Area of Science:

Neurodevelopmental Disorders
Psychiatry
Genetics

Background:

Autism prevalence is 1-2%, with characteristics found in the general population.
Diagnostic expansion reveals shared mechanisms with other neurodevelopmental and psychiatric conditions.
Current diagnostic criteria (DSM-5, ICD-11) focus on social-communication and restricted behaviors.

Discussion:

The concept of a single autism spectrum risks obscuring underlying mechanisms.
Increased heterogeneity necessitates moving beyond case-control studies.
Recognizing autism as "autisms" or "autism plus" acknowledges multilevel differences.

Key Insights:

Autism presents with significant heterogeneity in etiology, neurobiology, and behavior.
Multispectral approaches are crucial for understanding individual differences.
Brain-behavior relations and sex effects are important factors in autism heterogeneity.

Outlook:

Future research should focus on clarifying heterogeneity for personalized interventions.
Developing frameworks beyond a single spectrum is essential.
Integrating diverse data sources will enhance understanding of autism.