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. 2021 Jun;8(2):112-120.
doi: 10.1007/s40474-021-00230-4. Epub 2021 Apr 4.

Correlates and clinical implications of tic suppressibility

Keisuke Ueda  1 , Soyoung Kim  2 , Deanna J Greene  3 , Kevin J Black  1   2   4   5
Affiliations

Correlates and clinical implications of tic suppressibility

Keisuke Ueda et al. Curr Dev Disord Rep. 2021 Jun.

Abstract

Purpose of review: Tic disorders are common in the pediatric population and are differentiated from other movement disorders by tic suppressibility. Understanding the mechanism of tic suppression may provide new insights to the pathophysiology of tic disorders. This article highlights clinical phenomenology and neuronal correlates of tic suppressibility.

Recent findings: Recent studies suggest that tic suppressibility exists in children shortly after onset of their tics. Moreover, those who are better able to suppress their tics have better tic outcomes. Interoceptive awareness and automatic action inhibition may be involved in tic suppression.

Summary: We illustrate a possible underlying mechanism of tic suppressibility and its clinical correlations and implications. New concepts such as interoceptive awareness and action inhibition may help explain tic disorders. Further study will be useful to fill remaining knowledge gaps.

Keywords: Inhibition; Tourette syndrome [MeSH]; provisional tic disorder; psychological [MeSH]; suppression; tic disorders [MeSH].

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