Examining the Efficacy of tDCS in the Attenuation of Epileptic Paroxysmal Discharges and Clinical Seizures

Inclusion Criteria: 1. Initial diagnosis of Ohtahara syndrome/West syndrome/ Lennox-Gastaut syndrome by a pediatric neurologist using video-EEG 2. Ongoing synchronous Hypsarrhythmia 3. Modified Hypsarrhythmia with a consistent focus of paroxysmal discharges 4. Signed informed consent of parents/immediate legal guardian 5. Age 10 to 36 months 6. Infant should be in a steady state indicated by a baseline test of electrolytes and biochemistry blood test, heart rate, temperature, respiratory rate, and saturation. Exclusion Criteria: 1. Metal in the cranium, skull defects, or skin lesions on scalp (cuts, abrasions, rash) at proposed electrode sites. 2. History of adverse reaction to neurostimulation 3. Significant ECG abnormality