Click any letter for dictionary terms beginning with the letter selected.
| A | B | C | D | E | F |
| G | H | I | J | K | L |
| M | N | O | P | R | S |
| T | U | V | W | X | ? |
A brief change in function of part or all of the brain due to abnormal electrical activity. There may be a temporary loss of consciousness and/or involuntary movement of muscles or the experience of unusual physical or mental sensations.