Table 1.

Demographic data of the participants.

	Healthy controls	Parkinson's disease
N	16	15
Age (mean +/- SD)	64.63 +/- 8.84	65.34 +/- 6.81
Sex (male/female)	8/9	11/4
UPDRSIII-motor (mean +/- SD)	-	25.00 +/- 9.82
Hoehn-Yahr stage (median, range)	-	3 (1–4)
Disease duration (years, mean +/- SD)	-	8.13 +/- 5.82 (1–20)
Levodopa equivalent daily dose (LEDD; mean +/- SD, range)	-	798.27 +/- 483.95 (0–1,800)
Dominant side of motor symptoms (R: right, L: left, B: both)	-	7R,7L,1B