- •Anecdotal reports indicate that children with autism do not feel pain.
- •Children's thermal thresholds for warmth and cool detection and heat and cold pain were tested.
- •Children with autism had lower thresholds for cool and warmth detection.
- •Warmth, cool, and heat pain perceptions were related to intelligence.
- •Reduced thermal sensitivity may reflect lack of awareness or attention.
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Funding for this work was provided by the Hospital for Sick Children (EGD) and the Canadian Institutes of Health Research New Emerging Team Grant (CIHR; P.A.M. and K.D.D.). P.A.M. is the founder and an employee of Pain Innovations, Inc, London, Ontario. None of the other authors have any conflicts of interest to disclose.