这个词是什么意思？
Motor behavior that is repetitive, often seemingly driven, and nonfunctional. This behavior markedly interferes with normal activities or results in severe bodily self-injury. The behavior is not due to the direct physiological effects of a substance or a general medical condition. (DSM-IV, 1994)
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D019956 · MeSH 2026。
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