A Critical Appraisal of the Whack-a-Mole and Swivel Chair Signs in the Diagnosis of Functional Movement Disorders.
Tjerk J LagrandMarjolein Brusse-KeizerAndrew CharmleyMark J EdwardsMarina A J TijssenAlexander C LehnPublished in: Movement disorders clinical practice (2023)
The present study indicates that physicians must be cautious in the application and interpretation of these clinical signs in the diagnosis of functional movement disorders, and they should be carefully considered and used as necessary.
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