A new study investigated the brain circuits involved in psychosis—a condition characterized by delusions, hallucinations, ...

Myelinated neurons transmit electrical signals more quickly than the unmyelinated nerves in the body. Myelinated axons are present in sensory neurons and motor neurons, but not all sensory and motor ...

While the central nervous system is comprised of the brain and spinal cord, the peripheral nervous system is made up of all nerves branching off the spinal cord, extending to every part of the body.

or fifth cranial, nerve. Symptoms of TN range from a constant ache to a sudden intense stabbing pain in the jaw or face. TN is typically associated with a nerve injury, lesion, or blood vessel ...