All are the features of absence seizures except
The postictal state is the altered state of consciousness after an epileptic seizure. It usually lasts between 5 and 30 minutes, but sometimes longer in the case of larger or more severe seizures, and is characterized by drowsiness, confusion, nausea, hypeension, headache or migraine, and other disorienting symptoms Ref Harrison20th edition pg 2567
Usually seen in childhood
3-Hz spike wave in EEG
Postictal confusion
Precipitation by hyperventilation
C.N.S