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Review Article Functional Movement Disorders: Updates and Clinical Overview
Jung E Park1corresp_icon

DOI: https://doi.org/10.14802/jmd.24126 [Accepted]
Published online: July 1, 2024
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Department of Neurology, Dongguk University Ilsan Hospital, Goyang, Korea
Corresponding author:  Jung E Park, Tel: +82-31-961-7271, Fax: +82-31-961-7216, 
Email: noizegun@gmail.com
Received: 26 May 2024   • Revised: 15 June 2024   • Accepted: 1 July 2024

Functional movement disorder(FMD) is a type of functional neurological disorder(FND) that is common, but often difficult to diagnose or manage. FMD can present as various phenotypes including tremor, dystonia, myoclonus, gait disorders and Parkinsonism. Conducting a clinical examination appropriate for the assessment of a patient with suspected FMD is important, and various diagnostic testing maneuvers may also be helpful. Treatment involving a multi-disciplinary team, either outpatient or inpatient, has been found to be most effective. Examples of such treatment protocols are also discussed in this review. While recognition and understanding of the disorder appears to have improved over the past few decades, as well as development of treatments, it is not uncommon for patients and physicians to continue to experience various difficulties when dealing with this disorder. In this review, I provide a practical overview of FMD and discuss how the clinical encounter itself can play a role in patients’ acceptance of the diagnosis. Updates on recent neuroimaging studies that aid in the understanding of the pathophysiology are also discussed.

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