Brain mechanisms for prepulse inhibition in adults with Tourette syndrome: Initial findings
Zebardast N, Crowley MJ, Bloch MH, Mayes LC, Vander Wyk BV, Leckman JF, Pelphrey KA, Swain JE. Brain mechanisms for prepulse inhibition in adults with Tourette syndrome: Initial findings. Psychiatry Research 2013, 214: 33-41. PMID: 23916249, PMCID: PMC3932431, DOI: 10.1016/j.pscychresns.2013.05.009.Peer-Reviewed Original ResearchConceptsTourette syndromeFunctional magnetic resonance imagingHealthy subjectsTic severityWhole-brain functional magnetic resonance imagingYale Global Tic Severity ScaleTactile startle responseCase-control study designTic Severity ScaleCortical-striatal circuitsBrain activityMagnetic resonance imagingMultiple brain regionsLeft middle frontal gyrusMiddle frontal gyrusDegree of PPIPulse-alone stimuliBlock-design fMRI paradigmTic symptomsNeuropathological dataHealthy controlsPrepulse inhibitionDevelopmental neuropsychiatric disordersSensorimotor gatingLeft caudate