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AAN 2023 | Recent updates in FND diagnosis

William Curt LaFrance Jr, MD, MPH, FAAN, FANPA, DFAPA, Brown University, Providence, RI, explains the process of diagnosing functional neurological disorders (FNDs). The previous DSM-4 criteria required patients to have a psychological factor associated with symptom onset. Clinicians often struggle to fulfill this criterion due to factors such as a lack of trust from the patient. The new DSM-5 criteria have reduced the importance of a psychological factor and also consider inconsistencies between exam findings and neuroanatomical/neuropathophysiological processes. Overall, DSM-5 makes FND diagnosis easier for clinicians. This interview took place at the American Academy of Neurology Annual Meeting 2023 in Boston, MA.

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Dr. LaFrance disclosures are: author royalties for Taking Control Of Your Seizures: Workbook, and Therapist Guide, Oxford University Press, 2015; editor royalties for Gates and Rowan’s Nonepileptic Seizures, Cambridge University Press, 2018.