A member asked:

How does autism affect the brain?

7 doctors weighed in across 2 answers
Dr. Robert GalatzerLevy answered

Specializes in Child Psychiatry

No one knows: Autism is defined as a group of symptoms. They probably have many causes. Although there are several good theories and some studies that show brain changes in autistic people at this point no one knows the answer to your question.

Answered 11/27/2017

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Dr. Johanna Fricke answered

Specializes in Pediatrics - Developmental and Behavioral

Many anatomical : differences on MRI's in brains of people with Autistic Spectrum Disorder vs. those of neurotypical people have been reported, but the Autism Brain Imaging Data Exchange confirmed only 3: larger volume of ventricles (fluid-filled spaces), smaller volume of central segments of the corpus callosum (midline band if nerve fibers) & increased thickness of several areas of the cortex. Citation below.

Answered 11/28/2017

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