Autism marked by excess neural response to sensory stimuli

The brains of children with autism don’t tune out irrelevant sensory information, according to unpublished results from a brain imaging study presented Saturday at the 2013 Society for Neuroscience annual meeting in San Diego.

Studies have found more activity in the cerebral cortex in response to sensory stimuli among people with autism than in controls. The new study suggests that the nature of the stimulus affects whether this over-activation occurs.

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