Progressive myoclonic epilepsy‐7 (EPM7, OMIM #616187), also known as Myoclonus epilepsy and ataxia due to a potassium channel mutation (MEAK), is a recently discovered subtype that is described with rare bilateral (generalized) tonic–clonic seizures, mild cognitive impairment, myoclonia, and ataxia [2]. Here, KCNA3 is linked to cerebellar ataxia.