Sagittal T1 brain MRI showing thinning of the corpus callosum and absent rostrum.
Interictal EEG during sleep at the age of 2.5 months showing paucity of complexity and multifocal spikes.
Ictal EEG during wakefulness at the age of 2.5 months showing a diffuse recruiting rhythm that evolves into generalized spike-and-wave discharges, followed by diffuse attenuation.
EEG during sleep at the age of four months showing right fronto-central slowing and epileptiform discharges.