Neurology is a science that involves the study of the brain, nervous system, and related disorders. The field of neurology offers a wide range of employment possibilities. A neurologist is a physician who treats health conditions that affect brain or nervous system function. These medical specialists work with patients who have Parkinson's disease, epilepsy, or other illnesses or injuries. Medical scientists who work in the field of neurology conduct research to discover cures for disease and identify biological mechanisms for prevention. Other neurology jobs in a laboratory involve duties such as conducting tests on samples, performing analysis, and reporting results.