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Autism Risk Gene Linked to Sensory Overload

February 02, 2012

New research may help explain how a specific gene mutation produces the hypersensitivities to sound experienced by many persons affected by autism spectrum disorder (ASD).

The researchers found that when a suspected autism gene – PTEN – is disabled in the sound-processing center of a mouse brain, incoming signals are abnormally amplified regardless of whether their source is near or far.