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Updated: Jan 29, 2026
09:03
Eye Tracking Young Children with Autism
Published on: March 27, 2012
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Investigating the factors underlying adaptive functioning in autism in the EU-AIMS Longitudinal European Autism
Julian Tillmann1,2, Antonia San José Cáceres3, Chris H Chatham4
1Department of Psychology, Institute of Psychiatry, Psychology & Neuroscience, King's College London, London, UK.
Summary
Adaptive functioning in autism spectrum disorder (ASD) is primarily linked to social-communication challenges, not sensory or repetitive symptoms. Interventions should focus on these core ASD traits for better outcomes.
Area of Science:
- Neurodevelopmental Disorders
- Clinical Psychology
- Behavioral Science
Background:
- Individuals with autism spectrum disorder (ASD) often show impairments in adaptive functioning.
- A notable gap exists between cognitive ability and adaptive skills, particularly in higher-ability individuals.
- Understanding the factors influencing these discrepancies is crucial for targeted support.
Purpose of the Study:
- To investigate the clinical and demographic factors associated with adaptive functioning and IQ-adaptive functioning discrepancies in ASD.
- To determine the role of core ASD symptoms, sensory issues, and co-occurring conditions in adaptive functioning.
Main Methods:
- Analysis of data from 417 children, adolescents, and adults with ASD in the EU-AIMS LEAP cohort.
- Assessment of adaptive functioning using the Vineland Adaptive Behavior Scales-Second Edition.
- Examination of associations between age, sex, IQ, symptom severity, and discrepancies.
Main Results:
- Lower adaptive functioning was associated with older age, lower IQ, and more severe social-communication symptoms.
- Greater IQ-adaptive functioning discrepancies correlated with older age, higher IQ, and more severe social-communication symptoms.
- Sensory symptoms, repetitive behaviors, ADHD, anxiety, and depression were not significantly associated with adaptive functioning or discrepancies.
Conclusions:
- Core social-communication deficits in ASD are the primary drivers of adaptive functioning impairments.
- Sensory symptoms, repetitive behaviors, and co-occurring psychiatric conditions do not independently predict adaptive functioning deficits.
- Lifespan interventions for individuals with ASD must prioritize social-communicative symptom severity for effective support.
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