BEBÊS QUE DESENVOLVERAM AUTISMO TIVERAM SUPERCRESCIMENTO DE ESTRUTURA NO CÉREBRO

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#autismo #amigdalas #bebes

Overgrowth of Key Brain Structure Identified in Babies Who Later Develop Autism

Research led by Mark Shen, PhD, Heather Hazlett , PhD, and Joseph Piven, MD, from UNC-Chapel Hill is the first to demonstrate overgrowth of the amygdala in the first year of life, before babies show most of the behavioral symptoms that later consolidate into a diagnosis of autism. This overgrowth may be unique to autism, as babies with fragile X syndrome show a different brain growth pattern.

The amygdala is a small structure deep in the brain important for interpreting the social and emotional meaning of sensory input – from recognizing emotion in faces to interpreting fearful images that inform us about potential dangers in our surroundings. Historically the amygdala has been thought to play a prominent role in the difficulties with social behavior that are central to autism.

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