SCN1A and Seizure: Importantly, consistent with the GOF observed in functional studies, most of the patients in the NDEEMA‐EIDEE/MD‐EIDEE‐focal seizures spectrum respond to treatment with sodium channel blocker anti‐seizure medications, differently than patients that carry SCN1A/NaV1.1 LOF variants, whose phenotype is worsened by these drugs.