“Applause sign” helps to discriminate PSP from FTD and PD
- 28 June 2005
- journal article
- Published by Ovid Technologies (Wolters Kluwer Health) in Neurology
- Vol. 64 (12), 2132-2133
- https://doi.org/10.1212/01.wnl.0000165977.38272.15
Abstract
The “applause sign” is a simple test of motor control that helps to differentiate PSP from frontal or striatofrontal degenerative diseases. It was found in 0/39 controls, 0 of 24 patients with frontotemporal dementia (FTD), 0 of 17 patients with Parkinson disease (PD), and 30/42 patients with progressive supranuclear palsy (PSP). It discriminated PSP from FTD (p < 0.001) and PD (p < 0.00). The “three clap test” correctly identified 81.8% of the patients in the comparison PSP and FTD and 75% of the patients in the comparison of PSP and PD.Keywords
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