General attack

The initial clinical manifestations of generalized seizure suggest bilateral hemisphere involvement, which can take a variety of forms, and may be convulsive or non-convulsive, with multiple disturbances of consciousness; myoclonic seizures have a short duration and may be unconscious; motor symptoms often It is bilateral, but not necessarily systemic, and may be asymptomatic. The onset of the onset of the EEG showed widespread neuronal firing in both hemispheres. The clinical manifestations of various types of generalized seizures are quite characteristic, with strong specificity and great differences in EEG. For example, no matter what the clinical manifestations of the absence of seizures, the basic EEG changes of the seizures are paroxysmal spinal-slow wave discharge; Tonic seizures Although there are many manifestations of EEG during seizures, they have certain specificities.