Variants in GRIN2A were associated with developmental and epileptic encephalopathy, disorders of the epilepsy aphasia spectrum, speech disorders and schizophrenic psychoses (Strehlow et al. 2019; Franchini et al. 2020; Poltavskaya et al. 2021; van Rhijn et al. 2022). This evidence concerns the gene GRIN2A and Epileptic encephalopathy.