Abstract
The titular character of the movie Rain Man is an autistic savant, and the movie centers on his relationship with his non-autistic but selfish brother. Particularly memorable scenes involve the brothers' travels; they initially lacked empathy and understanding toward each other, but they learn and expand their relationship as they spend time together. In this manuscript, I provide examples of truly amazing visual and mathematic abilities among some high-functioning autistic savants, and I introduce several hypotheses regarding the mechanisms that may underlie autism spectrum disorder, from a neuroscience perspective. The significance of these hypotheses and the current research directions are also discussed.
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