What is an epileptic seizure? An epileptic seizure is the abnormal discharge of a neuron or group of neurons that leads to excessive electrical activity in the brain, causing disruption of brain function sufficient to produce clinical symptoms such as staring spells or jerking of muscles. What are the main kinds of epileptic seizures? Generalized [...]

Define aphasia. Aphasia is an acquired disturbance in language functions (i.e., the ability to manipulate sounds and symbols into concepts, words, and phrases). It must not be confused with dysarthria or slurred speech, which is strictly a problem with the motor control of talking. Aphasics not only have difficulty with talking but also with writing, [...]