The following neuropsychological assessments were significantly lower in the CBS group than in the PD group (Table 1): MMSE (p = 0.02), RCPM (p = 0.01), Standard Profile Score (SPS; p = 0.01) and Screening Score (SS; p = 0.02) of RBMT, TMT-A (p = 0.01), and WF-Category (p < 0.01). Here, CBS is linked to Parkinson disease.