Educational Content: This article is for informational purposes only and does not constitute medical advice. Always consult a healthcare provider for diagnosis and treatment.

Definition of Seizure, Jacksonian

Medically reviewed by Dr. Otari Nergadze, Neurosurgeon | Updated: January 2026

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.

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