Medical Definition of Seizure, Jacksonian
Seizure, Jacksonian: A form of seizure that involves brief alterations in movement, sensation, or nerve function that is caused by abnormal electrical activity in a localized area of the brain. Jacksonian seizures typically cause no change in awareness or alertness. They are transient, fleeting, and ephemeral.
Last Editorial Review: 7/1/2016
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