Within atypical PS, no differences were found between patients with MSA (n = 11) and PSP (n = 24) (F2,38 = 1.0, P = 0.32) or across the CBS (n = 5), MSA and PSP groups (F3,37 = 1.4, P = 0.26). This evidence concerns the gene CBS and supranuclear palsy, progressive, 1.