Neurotic

n.
  1. A disease seated in the nerves.
  2. (Med.) Any toxic agent whose action is mainly directed to the great nerve centers.
  3. A person afflicted with a neurosis{2}.

Neurotics as a class include all those poisons whose main action is upon the brain and spinal cord. They may be divided into three orders: (a) Cerebral neurotics, or those which affect the brain only. (b) Spinal neurotics, or tetanics, those which affect the spinal cord. (c) Cerebro-spinal neurotics, or those which affect both brain and spinal cord.