MRI Performance and Risk Factors in Bilateral Vestibular Hypofunction

Inclusion Criteria: 1. Sex unrestricted, age over 16 years old. 2. Patients meeting the diagnostic criteria for bilateral vestibulopathy (BVP) and presbyvestibulopathy (PVP) 3. Participants or their legal representatives, who comprehensively understand the research purpose, demonstrate sufficient compliance with the study protocol, have the ability to communicate and cooperate, and have signed the informed consent form. Exclusion Criteria: 1. Administration of medications potentially affecting cerebral function, including psychotropic drugs (antidepressants, anxiolytics) or prolonged anti-vertigo medication usage. 2. Presence of severe cardiovascular or systemic medical conditions, organ dysfunction, or significant mobility impairments. 3. Significant local or systemic diseases, or psychiatric disorders causing cognitive impairment, specifically schizophrenia, major depressive disorder, or generalized anxiety disorder. 4. Pregnant or lactating women. 5. Participation in alternative pharmaceutical or medical device clinical trials within the preceding 3-month period. 6. Clinically significant head movement restrictions. 7. Subjects assessed by investigators as unsuitable for study participation. 8. Individuals with contraindications for MRI, including cardiac pacemakers, implanted electronic devices, claustrophobia, metallic implants incompatible with magnetic resonance imaging and medications potentially compromising MRI scan safety.