Seizure, atonic


A seizure in which the person suddenly loses muscle tone and cannot sit or stand upright. Also known as drop attack and drop seizure.

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    A convulsion that occurs in association with a fever. Febrile seizures are common in infants and young children and are usually of no lasting importance.

  • 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.

  • Seizure, myoclonic

    A seizure that is characterized by jerking (myoclonic) movements of a muscle or muscle group, without loss of consciousness.

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  • selective mutism

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