Tremors are observed in nearly one-third of these disorders, with many involving cerebellar changes, including spinocerebellar ataxias (SCAs), Dentatorubral-pallidoluysian atrophy (DRPLA), FXTAS and familial cortical myoclonic tremor and epilepsy (FCMTE), NOTCH2NLC related repeat expansion disorders and GIPC1 related movement disorders.3-6. This evidence concerns the gene GIPC1 and Dentatorubral pallidoluysian atrophy.