Am J Psychiatry 1990; 147:196-199
Copyright © 1990 by American Psychiatric Association
Tourette's disorder in a set of reared-apart triplets: genetic and environmental influences
NL Segal, MW Dysken, TJ Bouchard Jr, NL Pedersen, ED Eckert and LL Heston
Minnesota Center for Twin and Adoption Research, Department of Psychology, Minneapolis 55455.
Tourette's disorder was diagnosed in triplets reared apart from early
infancy and reunited as adults. These data, combined with data on other
family members, support the findings of research studies that have
demonstrated genetic influences on Tourette's disorder.