Transient tic disorder and the spectrum of Tourette's syndrome
R. Kurlan, J. Behr, L. Medved and P. Como
Department of Neurology, University of Rochester, School of Medicine.
Transient tic disorder (TTD) has not generally been considered part of the
spectrum of Tourette's syndrome (TS). We studied a large kindred affected
by TS and identified two family members with TTD who are very likely
obligate carriers of the TS gene. Our observations indicate that TTD is a
possible expression of the TS gene and that individuals with TTD may
transmit TS to their offspring.