Clinical Research Directory

Inclusion Criteria: * Male aged 18-60 years * No mental or other neurological disorders, no history of drug or alcohol abuse * Generally in good condition, no clear major physical diseases, no hearing disorders * No metal foreign bodies in the body, no contraindications to MRI scanning * No claustrophobia * Agree to participate in the clinical study and sign the informed consent Exclusion Criteria: * There are electronic implants or metal foreign bodies, such as cardiac pacemakers * People with aneurysm surgery and intracranial aneurysm clip * People who have had heart surgery and used artificial heart valves * Having family planning * Uncontrolled epilepsy or mental illness, can't cooperate with MRI examination * Severe claustrophobia, can't cooperate with magnetic resonance examination * Other circumstances that the clinical trial personnel consider inappropriate to participate in the study