Journal
NEUROLOGY
Volume 68, Issue 23, Pages 1979-1987Publisher
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1212/01.wnl.0000264417.18604.12
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Funding
- Intramural NIH HHS Funding Source: Medline
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Objective: To identify brain regions generating tics in patients with Tourette syndrome using sleep as a baseline. Methods: We used [O-15]H2O PET to study nine patients with Tourette syndrome and nine matched control subjects. For patients, conditions included tic release states and sleep stage 2; and for control subjects, rest states and sleep stage 2. Results: Our study showed robust activation of cerebellum, insula, thalamus, and putamen during tic release. Conclusion: The network of structures involved in tics includes the activated regions and motor cortex. The prominent involvement of cerebellum and insula suggest their involvement in tic initiation and execution.
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