Clinical Research Directory

Inclusion Criteria Participants will be eligible for inclusion if they meet the following criteria: 1. Methamphetamine is the primary substance of use, and the participant meets the Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition criteria for moderate or severe methamphetamine use disorder; 2. aged 18 to 60 years; 3. normal or corrected-to-normal vision and hearing, and right-handedness; 4. primary school education or above, with the ability to understand the questionnaires and behavioral task instructions. Exclusion Criteria Participants will be excluded if they meet any of the following criteria: 1. presence of metal objects in the body, such as metal dentures, orthodontic braces, bone fixation plates, aneurysm clips, or other metallic implants; 2. severe physical illness or chronic disease, including heart disease, severe hypertension, stroke, epilepsy, or history of head trauma; 3. comorbid psychiatric disorders, such as bipolar disorder, schizophrenia, or severe depression; 4. previous participation in transcranial magnetic stimulation- or electroencephalography-related studies; 5. refusal to participate in the study, poor compliance, or any other contraindications to transcranial magnetic stimulation.