ATXN10 and Parkinsonism: There is also evidence that interruptions can lead to the presentation of new phenotypes as disruptions in the ATTCT repeats in SCA10 are associated with a higher incidence of seizures (Matsuura et al., 2006) and CAG repeats that normally cause SCA2 can lead to parkinsonism when CAA triplets interrupt the CAG expansion (Charles et al., 2007).