Helpfulness of the Vibration Test Performed in Room Light on Clients With Inner Ear Problems

Inclusion Criteria: * Clients 18 years and older with complaint of dizziness, vertigo, and/or imbalance who are willing to proceed with procedures of study. * Inclusion for control group: no history of dizziness, vertigo, and/or imbalance. Exclusion Criteria: * Conditions that warrant immediate referral to the Emergency Department or Primary Care Physician (undiagnosed and unstable disorders relating to cardiac, neurologic, metabolic, etc, dysfunction); no history of dizziness, vertigo, and/or balance problems. * Clients with conditions that therapists believe may be aggravated by testing including, but not limited to: variants of head injuries, migraines, seizure disorders, panic/anxiety, claustrophobia, severe headache and/or nausea, and hypersensitivity to sensory stimuli