What exactly happens when a person has a seizure?

Seizure. There is an electro-chemical discharge in one or more regions of the brain that render part or the whole brain incapable of functioning for a short time. The nerve cells recover and normal function is regained. See also: http://vsearch. Nlm. Nih. Gov/vivisimo/cgi-bin/query-meta? V%3aproject=medlineplus&query=seizure&x=0&y=0.