According to NIMH, “Autism spectrum disorder (ASD) is a neurological and developmental disorder that affects how people interact with others, communicate, learn, and behave”. In 2013, the American Psychiatric Association reclassified the following conditions as part of the autistic spectrum: autistic disorder, Asperger’s syndrome, childhood disintegrative disorder, and pervasive developmental order. Autism is considered a spectrum because people with autism experience a wide range of symptoms to various degrees, including social communication differences, restrictive or repetitive behaviors, or sensory differences.
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