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February 11, 1905


JAMA. 1905;XLIV(6):437-442. doi:10.1001/jama.1905.92500330005001a

From the great and rather confused mass of affections characterized by excess or perversion of movement, one group or sub-group is coming to be pretty well defined: a variety of hyperkinesia which might well be called simply tic if it were not for the occasional use of this word as a contraction of tic douloureux, painful tic, to designate trifacial neuralgia. This being the case, it seems best to call the tic of movement convulsive tic. I believe that ultimately the qualifying word convulsive will be dropped and that the term tic will come to mean motor tic exclusively. In this paper I shall often so use it.

Convulsive tic embraces movements varying as regards location, extent, violence, amplitude, frequence and duration. It may affect any part of the voluntary muscular system, and in the cases of extreme severity, called by Gilles de la Tourette maladie des tics—the

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