OTSLPOtherMolecular autism2020

Revised scored Sensory Perception Quotient reveals sensory hypersensitivity in women with autism.

Emily Taylor, Rosemary Holt, Teresa Tavassoli and 2 others

PMID 32122389

WHAT IT FOUND

Females with autism reported significantly more sensory hypersensitivity across all five senses compared to control females, but showed no difference in hyposensitivity.

Mothers of children with autism did not report elevated sensory sensitivity compared to controls.

Key findings

01Females with autism scored significantly higher on the hypersensitivity scale than both mothers of children with autism and control mothers.

02There was no significant difference between the three groups on the hyposensitivity scale.

03Mothers of children with autism did not differ from control mothers in sensory sensitivity, suggesting this is not a broader autism phenotype trait.

STILL TO COME

How it was doneWhat they foundWhat it means for OTsWhat it means for SLPs

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What it does not show

The study only included high-functioning, verbal females with autism who could self-report, so results do not apply to non-verbal individuals or males. Participants were recruited online and were self-selecting, which may bias the sample. The control group consisted entirely of mothers, while the autism group included both mothers and non-mothers, though the authors found no difference between these subgroups in the autism group. A high rate of comorbid psychiatric disorders was present in the autism group, which the authors controlled for statistically but which may still influence sensory reporting. The study used self-report measures, which rely on the participants' insight and honesty.

Declared interests

The authors declared no competing interests. Funding was provided by the Autism Research Trust, the European Union's Seventh Framework Programme, Autism Speaks, the European Federation of Pharmaceutical Industries and Associations, the National Institute for Health Research, and the Collaboration for Leadership in Applied Health Research and Care.

The easy way to misread this

Do not assume that females with autism have a general 'sensory processing disorder' involving both over- and under-sensitivity. This study found that the difference from controls was strictly in hypersensitivity; hyposensitivity scores were similar across all groups. Interventions aimed at increasing sensory threshold (hyposensitivity) may be inappropriate for this population.

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