Neural Correlates of Sensory Phenomena in Tourette Syndrome

Inclusion criteria for TS arm: * Diagnosis of Tourette syndrome or other chronic tic disorder * ≥ 18 years of age * Ability to complete survey instruments * English fluency (given that all scales are validated in English) Exclusion criteria for TS arm: \- Known diagnosis of autism spectrum disorder, developmental delay, cerebral palsy, other significant neurologic disease, schizophrenia, or psychotic disorders will be excluded, in order to lessen potentially confounding factors. (Note: Patients with OCD, ADHD, anxiety, and/or depression will be permitted, given that these diagnoses are widely prevalent in the adult TS population.) * Use of anti-seizure medications, stimulants, or other psychotropic medications known to alter EEG signal * Recreational substance use within past 30 days Inclusion criteria for healthy control arm: * ≥ 18 years of age AND age within 5 years of a participant in the TS arm of same biological sex (for purposes of age- and sex-matching) * Ability to complete survey instruments * English fluency (given that all scales are validated in English) Exclusion criteria for healthy control arm: * Any neurologic or psychiatric diagnoses * History of tics * Use of any psychotropic medications within the past 30 days * Recreational substance use within past 30 days