generalized seizure

noun

: a seizure (as an absence seizure or tonic-clonic seizure) that originates in both cerebral hemispheres

Generalized seizures may also accompany some of the most severe degenerative diseases seen in neurological practices, and these may or may not be amenable to medical management.

—Donald L. Schomer and Peter M. Black, The Journal of the American Medical Association

compare partial seizure