Fig. 1: Current features, magnetic resonance imaging scan, and electroencephalogram of the patient.
From: GRIA3 p.Met661Thr variant in a female with developmental epileptic encephalopathy

a, b The patient had no specific facies. She was bedridden, with hypertonia and severe psychomotor delay. c Electroencephalogram of the first seizure at 3 months of age. Spikes in the central area that easily developed into generalized waves were noted. d Brain magnetic resonance image at 13 years of age. Slight frontal lobe atrophy and ventricular enlargement were not aggravated.