Tics and Their Treatment

"[...]misunderstanding. In this respect the word tic is a great culprit; its promiscuous use implies looseness in its connotation—a fruitful source of controversies which, when all is said and done, are nothing more than regrettable quid pro quos. On fundamental points there is almost complete unanimity of opinion; any divergence is purely superficial, and to be ascribed to disagreement in terms. Hence it has seemed to us essential to adopt a vocabulary, and to employ any term only after clearly particularising the sense we attribute to it. Our verbal conventions will not meet with universal acceptance, it may be, but we shall be the first to abandon them if common consent assign to the expressions that replace them the exact shade of meaning we meant to convey. Our work will not be superfluous if we succeed in allotting to the word a definite position in medical terminology, or if any information we have amassed[...]".