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Functional Movement Disorders 

Functional Movement Disorders
Chapter:
Functional Movement Disorders
Source:
Video Protocols and Techniques for Movement Disorders
Author(s):

Brandon R. Barton MD, MS

and Deborah A. Hall MD, PhD

DOI:
10.1093/med/9780199948512.003.0017

Many phenomenologies may be seen in patients with functional movement disorders, including shaking of the arms, parkinsonism, dystonia, and gait disorders. However the movements will be more variable and inconsistent with classic presentations of common movement disorders. A single phenomenology or multiple ones can be seen in one patient. The functional protocol is a variation of the general protocol with taping of movement in all areas of the body. Flexibility of the videographer is important because some patients may have triggers that bring out the movements, and the movements could occur only occasionally, at unexpected times, and sometimes home videos need to be requested. Efforts to distract the movements can show their variability.

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