The term "Jacksonian March" refers to a specific type of seizure known as a Jacksonian seizure, which is characterized by a sequence of abnormal movements. During this type of seizure, initially, a tingling or twitching sensation begins in a limited area of the body and then "marches" or spreads to other parts. This phenomenon occurs due to the spread of electrical discharges within the brain, affecting adjacent areas of the motor cortex.

Jacksonian seizures are classified as simple partial seizures, meaning that individuals do not lose awareness during the episode. They typically affect only one side of the body, leading to unilateral symptoms that can start in a localized region, such as a finger or limb, before expanding to adjacent muscle groups. The International League Against Epilepsy (ILAE) describes the Jacksonian march as "the spread of clonic movements through contiguous body parts unilaterally."

For more detailed information, you can visit the following sources:

1. Cedars-Sinai Overview of Jacksonian Seizures
2. Epilepsy Foundation Explanation of Jacksonian March
3. MedLink Neurology's Description of Jacksonian Seizures
4. Medical News Today's Overview on Jacksonian Seizures
5. Wikipedia Entry on Focal Seizures Including Jacksonian March
6. PMC Article on Jacksonian Seizure as a Symptom of Multiple Sclerosis
7. Epsy Health's Introduction to Jacksonian Seizures

Each of these resources provides further insights into the nature, causes, and implications of Jacksonian seizures/march.

Sources

Jacksonian Seizures | Cedars-SinaiDo you know what a Jacksonian March is? - Epilepsy FoundationJacksonian seizures | MedLink NeurologyJacksonian seizures: Symptoms, causes, and moreFocal seizure - WikipediaJacksonian seizure as the relapse symptom of multiple sclerosisJacksonian seizures – your introduction - Epsy Health

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