The term used for the study of the nervous system is neurology. This field encompasses the diagnosis and treatment of disorders affecting the brain, spinal cord, and nerves. Neurology helps in understanding the structure and function of the nervous system, as well as the impact of various conditions on neurological health. Neurologists utilize various techniques, including imaging and electrophysiological tests, to investigate and manage conditions like epilepsy, Parkinson's disease, and multiple sclerosis.