Extra Movements in Healthy People: Challenging the Definition and Diagnostic Practice of Tic Disorders.
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- Record sourced from PubMed, PMID 36565297.
- Also identified by DOI 10.1002/ana.26586.
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Abstract
The occurrence of motor/vocal tics, that is, "extra movements" and/or "extra vocalizations," is the leading diagnostic criterion for tic disorders. We show that extra movements are common also in healthy controls, so that a surplus of movements per se is not indicative of the presence of a tic disorder. This questions the usefulness of Diagnostic and Statistical Manual of Mental Disorders, 5th edition criteria for tic disorders in clinical practice. Apparently, it is not solely a surplus of movements that defines tic disorders. Instead, movement characteristics and patterns seem to play a crucial role. ANN NEUROL 2023;93:472-478.
Medical subject headings
- Tic Disorders
- Tics
- Tourette Syndrome