II. Causes: Psychiatric Disorders
III. Causes: Cardiovascular Disorders
IV. Causes: Infectious Disorders
- Human Immunodeficiency Virus Induced Neuropathy (HIV-related Neuropathy)
- Tertiary Syphilis
V. Causes: Metabolic Disorders
VI. Causes: Musculoskeletal Disorders
VII. Causes: Neurologic Disorders
- Cerebellar Degeneration
- Dementia
- Delirium
- Multiple Sclerosis
- Myelopathy
- Normal-pressure Hydrocephalus
- Parkinsonism
- Cerebrovascular Disease
- Vertebrobasilar Insufficiency
- Vestibular disorders