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Related Experiment Video

Updated: Jun 15, 2026

Generating Acute and Chronic Experimental Models of Motor Tic Expression in Rats

Generating Acute and Chronic Experimental Models of Motor Tic Expression in Rats

Published on: May 27, 2021

Time processing in children with Tourette's syndrome.

Carmelo Mario Vicario¹, Davide Martino, Felice Spata

¹Department of Psychology, University of RomeLa Sapienza, Rome, Italy. carmelo.vicario@uniroma1.it

Brain and Cognition

|March 2, 2010

Summary

This summary is machine-generated.

Children with Tourette syndrome (TS) show improved time processing for longer intervals, suggesting enhanced cognitive control. This improvement in time reproduction correlates with tic severity in TS patients.

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Area of Science:

Neuroscience
Developmental Psychology
Cognitive Science

Background:

Tourette syndrome (TS) involves disrupted prefrontal-subcortical connectivity and altered dopamine pathways.
Time processing relies on fronto-striatal circuits and dopaminergic modulation, suggesting potential TS-related temporal processing deficits.

Purpose of the Study:

To investigate time processing abnormalities in children with Tourette syndrome (TS).
To explore the relationship between time processing, tic severity, and cognitive functions in TS.

Main Methods:

Compared time reproduction and comparison abilities in children with TS-only versus healthy controls.
Assessed IQ, attention, and working memory using standardized cognitive tests.

Main Results:

Children with TS-only overestimated longer time intervals (>1 second) but not shorter ones.
Better reproduction of longer intervals correlated with lower tic severity.
No group differences were found in time comparison tasks.

Conclusions:

TS is associated with enhanced 'cognitively controlled' timing for longer intervals, linked to fronto-striatal circuit dysfunction.
Selective improvement in motor timing, not perceptual timing, may occur in TS.
Enhanced cognitive control processes in TS children might be facilitated by effortful tic suppression.