Neurology is a branch of medicine that deals with the study and treatment of disorders of the nervous system. It encompasses a wide range of, from headaches and seizures to Parkinson's disease and Alzheimer's disease.logists are specialized physicians who diagnose and treat these, using a variety of techniques such as imaging studies, laboratory tests, and medications. If you are experiencing symptoms related to the nervous system, it is important to seek the advice of a qualified neurologist.ncing symptoms related to the nervous system, it's important to seek medical attention from a qualified neurologist.