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AutismAutism is a disorder of brain development characterized by impaired social interaction and communication, and by restricted and repetitive behavior. These signs generally begin before a child is three years old. Autism affects information processing in the brain by altering how nerve cells and their synapses connect and organize. Evaluation of autism and related disorders requires a thorough assessment of development, behavior, and medical factors, and it is essential to begin treatment early in order to achieve the best outcome.

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