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DSM-IV: Stereotypic Movement Disorder

Children with this mental disorder, display repetitive non functional movements that can result in bodily injury or interfere with normal functioning.

Diagnostic criteria for 307.3 Stereotypic Movement Disorder

A. Repetitive, seemingly driven, and nonfunctional motor behavior (e.g. hand shaking or waving, body rocking, head banging, mouthing of objects, self-biting, picking at skin or bodily orifices, hitting own body).

B. The behavior markedly interferes with normal activities or results in self-inflicted bodily injury that requires medical treatment (or would result in an injury if preventive measures were not used).

C. If Mental Retardation is present, the stereotypic or self-injurious behavior is of sufficient severity to become a focus of treatment.

D. The behavior is not better accounted for by a compulsion(as in Obsessive-Compulsive Disorder), a tic (as in Tic Disorder), a stereotypy that is part of a Pervasive Developmental Disorder, or hair pulling (as in Trichotillomania).

E. The behavior is not due to the direct physiological effects of a substance or a general medical condition.

F. The behavior persists for 4 weeks or longer. Specify if: With Self-Injurious Behavior: if the behavior results in bodily damage that requires specific treatment (or that would result in bodily damage if protective measures were not used)

Based on the Diagnostic & Statistical Manual of Mental Disorders, 4th edition APA

Also: stereotypy-habit disorder

The online Diagnostic & Statistical Manual of Mental Disorders lists most of the major psychological disorders and illnesses and lists the criteria that must be fulfilled in order for a diagnosis to be made. This resource is not a substitute for proper professional psychiatric diagnosis.