Journal
NEUROSCIENCE AND BIOBEHAVIORAL REVIEWS
Volume 127, Issue -, Pages 25-36Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.neubiorev.2021.04.005
Keywords
Functional movement disorders; Research domain criteria; Neurocircuitry; Neuroimaging; Mechanisms; Brain-behavior dimensions
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Funding
- National Institute on Nuerological Dis-orders and Stroke (NINDS) Intramural Research Program, Bethesda, MD, USA
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Functional movement disorders (FMD) are enigmatic neuropsychiatric conditions, and recent research suggests that a dimensional neuroscience-based approach may help uncover the underlying mechanisms of these disorders.
Functional movement disorders (FMD) are a common and disabling neuropsychiatric condition, part of the spectrum of functional neurological/conversion disorder. FMD represent one of the most enigmatic disorders in the history of medicine. However, in the twenty years after the first report of distinctive abnormal brain activity associated with functional motor symptoms, there have been tremendous advances in the pathophysiologic understanding of these disorders. FMD can be characterized as a disorder of aberrant neurocircuitry interacting with environmental and genetic factors. These developments suggest that research on FMD could be better served by an integrative, neurosciencebased approach focused on functional domains and their neurobiological substrates. This approach has been developed in 'Research Domain Criteria' (RDoC) project, which promotes a dimensional approach to psychiatric disorders. Here, we use the RDoC conceptualization to review recent neuroscience research on FMD, focusing on the domains most relevant to these disorders. We discuss how the adoption of a similar integrative framework may facilitate the identification of the mechanisms underlying FMD and could also have potential clinical applicability.
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