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Updated: Jun 2, 2026
08:42
A Familiarization Protocol Facilitates the Participation of Children with ASD in Electrophysiological Research
Published on: July 31, 2017
Beyond the Outburst: Charting a New Frontier for Understanding and Treating Irritability in Autistic Adults
Hsiang-Yuan Lin1,2, Arthur N Westover3, Amy S F Lutz4
1Azrieli Adult Neurodevelopmental Centre, Campbell Family Mental Health Research Institute, Centre for Addiction and Mental Health, Toronto, Ontario, Canada.
Summary
Irritability in autistic adults is often a stress response linked to neurobiology. Current treatments are insufficient, necessitating new research and tools for better quality of life.
Area of Science:
- Neuroscience
- Psychiatry
- Developmental Psychology
Background:
- Irritability is common and impairing in autism, especially in adults, but poorly understood.
- Existing treatments are extrapolated from pediatric data and lack adult-specific evidence.
- Autistic adults with irritability are underserved due to limited treatments and assessment tools.
Purpose of the Study:
- To deconstruct irritability in autistic adults, differentiating it from aggression.
- To highlight the heterogeneity of irritability across lifespan and support needs.
- To propose a shift in assessment and treatment strategies.
Main Methods:
- Literature review and synthesis of pediatric and transdiagnostic findings.
- Critique of current assessment methods for irritability in autism.
- Proposal for a multi-modal assessment strategy integrating self-report, physiological data, and observer reports.
Main Results:
- Irritability in autistic individuals may stem from psychophysiological stress responses or intrinsic neurobiological dysregulation.
- Current assessment tools are limited in capturing the internal experience of autistic adults.
- A need exists for validated tools and evidence-based treatments tailored for autistic adults.
Conclusions:
- A multi-modal approach using physiological data and observer reports is recommended for assessing irritability.
- Neuroscience-informed treatment innovations are needed, including novel pharmacological agents and adapted psychosocial interventions.
- Mechanistically driven clinical trials in adults are crucial to address the unmet burden of irritability and improve quality of life.
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