HEAD BANGING
\hˈɛd bˈaŋɪŋ], \hˈɛd bˈaŋɪŋ], \h_ˈɛ_d b_ˈa_ŋ_ɪ_ŋ]\
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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)
By DataStellar Co., Ltd
