Specifically, tic severity dropped by 26 percent among the behavioral intervention patients, but only by about 12 percent among the other group.
Follow-up testing further showed that behavioral-intervention patients who did derive benefit maintained their symptom improvement six months down the road.
"The obvious next step," Wilhelm said, "is to teach clinicians how to administer CBIT."
For more on Tourette syndrome and therapy, visit the National Tourette Syndrome Association.
Copyright © 2012 HealthDay. All rights reserved.