Tic Suppression in Children With Recent-Onset Tics Predicts 1-Year Tic Outcome

Soyoung Kim, Deanna J. Greene, Amy Robichaux-Viehoever, Emily C. Bihun, Jonathan M. Koller, Haley Acevedo, Bradley L. Schlaggar, Kevin J. Black

Research output: Contribution to journalArticlepeer-review

9 Scopus citations

Abstract

Successful voluntary tic suppression is a key component of the behavioral interventions that are used to treat tic disorders. This study aimed to examine tic suppression in children with recent-onset tics and determine whether the capacity to suppress tics predicts future tic severity. We tested 45 children (30 male, mean age 7.74 years) with recent-onset tics (mean 3.47 months prior to the first study visit; baseline) and re-examined each child at the 12-month anniversary of the first recognized tic (follow-up). At the baseline visit, children performed a tic suppression task with several conditions: tic freely, inhibit tics given a verbal request, and inhibit tics in the presence of a reward. At the baseline visit, children with tics for only a few months could suppress their tics, and tic suppression was especially successful when they received an immediate and contingent reward. Additionally, the ability to suppress tics in the presence of a reward predicted tic severity at follow-up. These findings suggest that better inhibitory control of tics within months of tic onset may be an important predictor of future tic symptom outcome.

Original languageEnglish
Pages (from-to)757-764
Number of pages8
JournalJournal of Child Neurology
Volume34
Issue number12
DOIs
StatePublished - Oct 1 2019

Keywords

  • inhibition (psychology)
  • prognosis
  • provisional tic disorder
  • tic disorders

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