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Motor disorders, newly categorized in the Diagnostic and Statistical Manual of Mental Disorders (DSM-5), include developmental coordination disorder (DCD), stereotypic movement disorder (SMD), and Tourette’s disorder (TD). These disorders are neurodevelopmental in origin and feature irregular, unintended movements, resulting in deficits in a range of domains.

Developmental Coordination Disorder

DCD is marked by the acquisition and implementation of motor skills at a rate and level below that which is consistent with one’s chronological age, intellect, and environment. To receive a DSM-5 diagnosis of DCD, symptoms should result in impairment in academic functioning or activities of daily living and not be better accounted for by a medical condition or a pervasive developmental disorder. Difficulties may encompass daily living (e.g., using utensils, getting dressed), school (e.g., handwriting, remaining ...

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