2022
DOI: 10.31219/osf.io/3u6bk
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Functional tic-like presentations differ strikingly from Provisional Tic Disorder

Abstract: Recent years have seen a dramatic increase in new “tic” cases in teens and young adults. These individuals often present with fulminant onset of distinct symptoms not commonly seen in Tourette syndrome (TS), and are often diagnosed with Functional Neurological Disorder (FND-tic). Some have questioned whether this illness truly differs from typical Provisional Tic Disorder (PTD) and Tourette syndrome. Here we address this concern by providing for the first time substantial data on clinical features during the f… Show more

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“…The feature list was drawn from a recent review of FND-tic, a narrative review that included all primary data publications on FND-tic known to its authors as of August, 2022. 3 The comparison data for FND-tic patients comes from 26 published reports, with pertinent data in 17 reports 4,[11][12][13][14][15][16][17][18][19][20][21][22][23][24][25][26] describing a total of 336 patients (data file available as Underlying data 27 ). For quantitative variables, the weighted mean is provided (weighted by N in each report), along with the median and range of the summary values reported in each relevant publication.…”
Section: Methodsmentioning
confidence: 99%
“…The feature list was drawn from a recent review of FND-tic, a narrative review that included all primary data publications on FND-tic known to its authors as of August, 2022. 3 The comparison data for FND-tic patients comes from 26 published reports, with pertinent data in 17 reports 4,[11][12][13][14][15][16][17][18][19][20][21][22][23][24][25][26] describing a total of 336 patients (data file available as Underlying data 27 ). For quantitative variables, the weighted mean is provided (weighted by N in each report), along with the median and range of the summary values reported in each relevant publication.…”
Section: Methodsmentioning
confidence: 99%