Seizures that are characterized by a sudden loss of muscle tone, causing the individual to instantly drop to the floor, commonly known as "drop attacks."

Warning sign that people with epilepsy often experience prior to the onset of a seizure, which may consist of a strange taste, bad feeling, or tingling sensation.

Bone originating from the same individual; i.e., an individual's own bone.

Bone transplanted from one part to another part of the body in the same individual.

The involuntary nervous system that also innervates smooth and cardiac muscle and glandular tissues.

The part of a nerve cell that transmits signals to other structures or nerves.