Clinical Research Directory

Inclusion Criteria 1. Meets the DSM-5 diagnostic criteria for Tourette syndrome or chronic motor or vocal tic disorder; 2. Age ≥6 and \<18 years; 3. YGTSS-TTS \>15, or \>10 for participants with motor tics or vocal tics only; 4. If the participant is taking medication at enrollment, the medication regimen and dosage must have been stable for at least 4 weeks, with no planned changes in medication or dosage during the study; 5. Has not received any non-pharmacological treatment for tics (e.g., acupuncture, transcranial magnetic stimulation, deep brain stimulation) within the preceding 8 weeks; 6. Provides written informed consent. Exclusion Criteria 1. Mental or cognitive disability that would preclude participation in the study; 2. Ear skin lesions, such as infection or eczema; 3. An implanted cardiac pacemaker or other electronic medical device; 4. Severe physical diseases, such as coronary heart disease, malignancy, or renal failure; 5. Current participation in another clinical trial.