State the Classification of nervous system
Neurological disorders can be categorised according to the primary location affected, the primary type of dysfunction involved, or the primary type of cause. The broadest division is between central nervous system (CNS) disorders and peripheral nervous system (PNS) disorders. Nervous system diseases under the section of Vascular Disorders, Traumatic Brain Injuries, Epilepsy, Tumors, Headaches, Infections, Disorders of Motor Neurons and Disorders of Sleep.