How often do movement disorder specialists agree when classifying tics? A recent study published in JNNP explores this question with a two-stage approach, seeking a diagnosis from experts first based on video evidence alone and then following the provision of additional clinical data. The study's last author, Dr. Christos Ganos (1), joins host Dr. Saima Chaudhry (2) to discuss the results.

Read the paper here: "Distinguishing functional from primary tics: a study of expert video assessments" 

Related links:

European Society for the Study of Tourette Syndrome 2022 criteria for clinical diagnosis of functional tic-like behaviours: International consensus from experts in tic disorders
https://onlinelibrary.wiley.com/doi/10.1111/ene.15672

Tics and functional tic-like movements: can we tell them apart?
https://www.neurology.org/doi/10.1212/WNL.0000000000008372 

(1) Department of Neurology (C.G.), Charité University Medicine Berlin, Germany
(2) Warren Alpert Medical School, Brown University, Rhode Island, USA

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