Juvenile absence epilepsy begins around puberty and differs from childhood absence epilepsy in that the seizures are more sporadic. Sex distribution is equal.
On EEG, the spike-waves are often slightly faster than 3 Hz.
No distinct features completely differentiate juvenile absence epilepsy from childhood absence epilepsy.
Adapted from: Holmes GL. Classification of seizures and the epilepsies. In: Schachter SC, Schomer DL, eds. The comprehensive evaluation and treatment of epilepsy. San Diego, CA: Academic Press; 1997. p. 1-36.
With permission from Elsevier (www.elsevier.com)