Related Experiment Video
Updated: Oct 24, 2025

Generating Acute and Chronic Experimental Models of Motor Tic Expression in Rats
Published on: May 27, 2021
Distinguishing and Managing Acute-Onset Complex Tic-like Behaviors in Adolescence
Joseph F McGuire1, Shannon M Bennett2, Christine A Conelea3
1Johns Hopkins University School of Medicine, Baltimore, Maryland.
Abstract:
Consistent with international reports,1 this group of Tourette syndrome (TS) experts has noticed a recent increase in adolescents presenting with tic-like symptoms that show a markedly atypical onset and course. These sudden-onset motor movements and vocalizations are often associated with significant impairment and disability, resulting in emergency department visits and hospitalizations for some affected youths.
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