Definition: A mental disorder characterized by severely abnormal development of social interaction and of verbal and nonverbal communication skills. Affected people may adhere to inflexible, nonfunctional rituals or routines. They may become upset with even trivial changes in their environment. They often have a limited range of interests but may become preoccupied with a narrow range of subjects or activities. They appear unable to understand others' feelings and often have poor eye contact with others. Unpredictable mood swings may occur. Many demonstrate stereotypical motor mannerisms such as hand or finger flapping, body rocking, or dipping. The disorder is probably caused by organically based central nervous system dysfunction, especially in the ability to process social or emotional information or language.
[G. autos, self]
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Examples: glitazone, GI cocktail, etc.