Table 1. Seizure severity indexes.

Class	Behavior
I	Facial automatisms, including salivation, “mouth cleaning-like” behavior, and tongue automatisms
II	Facial movements, head clonus, and head shakes
III	Forelimb clonus
IV	Bilateral forelimb clonus, rearing, arched body posture, Straubtail
V	Generalized clonic seizures and postural impairment