PET, MRI study provides clues on Tourette Syndrome

11/21/2012 | Medscape (free registration)

Researchers using PET with carbon-11 flumazenil and structural MRI found that patients with Tourette Syndrome have lower binding of gamma-aminobutyric acid-ergic receptors in the ventral striatum, globus pallidus, thalamus, amygdala and right insula. The study findings are consistent with long-held theories about the disease concerning the disinhibition of particular circuits in the brain.

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