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August 31, 1907

Tics and Their Treatment..

JAMA. 1907;XLIX(9):797. doi:10.1001/jama.1907.02530090073024

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"Les Tics et Leur Traitement" was first published in 1902 and was quickly recognized as an authority. It is a logical, learned and practical exposition of a most complicated subject and a careful study of it will go far toward preventing the blunders, so commonly observed, in the differential diagnoses between a simple muscular spasm, a tic and a chorea. As these all differ in their etiology and nature, a correct diagnosis is an absolute sine qua non for correct treatment and a favorable prognosis. By clearly defining the term tic, giving it a narrow and precise meaning, and indicating its uniform pathogenesis and essential nature, the authors have done valiant service in dissipating somewhat the confusion surrounding a certain type of muscular jactitation. A tic is not the same as a spasm or a chorea, though superficially it bears a close resemblance to both. In the author's own words,

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