Table 1.

Demographics and MOCA scores

	Control	PD
Age, yr	63.4 ± 2.9	64.8 ± 3.4
Right handed, %	92	92
Female, %	58	66
Education, yr	15.8 ± 0.6	16 ± 0.5
MOCA	28.7 ± 0.4	27.9 ± 0.4
UPDRS Part III, points	n/a	9.7 ± 1.8
Levodopa-equivalent dose, mg	n/a	633 ± 93

Values are means ± SE.

PD, Parkinson's disease; MOCA, Montreal Cognitive Assessment; UPDRS, Unified Parkinson's Disease Rating Score.