A neurologist is a medical Doctor Who specializes in diagnosing and treating disorders of the nervous system, which includes the brain, spinal cord, and peripheral nerves. They manage conditions such as epilepsy, multiple sclerosis, Parkinson's disease, and migraines, among others. Neurologists often conduct neurological examinations, order diagnostic tests like MRI or EEG, and develop treatment plans that may include medications, therapies, or referrals to other specialists.