autistic disorder
A Dictionary of Psychology
autistic disorder n. A pervasive developmental disorder characterized by gross and sustained impairment of social interaction and communication; restricted and stereotyped patterns of behaviour, interests, and activities; and abnormalities manifested before age 3 in social development, ...
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autism
The Columbia Encyclopedia, Sixth Edition
autism , developmental disability resulting from a neurological disorder that affects the normal functioning of the brain. It is characterized by the abnormal development of communication skills, social skills, and reasoning. Males are affected four times as often as females. Children may appear ...
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