Table 1.

Demographics of the 45 study participants.

	Patients		Controls
	n = 15		n = 30
	Mean	SD	Mean	SD	Test score	p-value
Age	61.59	9.56	56.56	6.59	t = 2.070	0.04*
Sex (M/F)	11/4		12/18		X2 = 4.447	0.04*
Handedness (R/L)	14/1		29/1		X2 = 0.262	0.61
Months since diagnosis	56.6	41.92
LED (mg/day)	560	307.76
Hoehn & Yahr staging	2.57
ADL (best/worst)	73.33/65.33
Reward Won (ZAR)	118.67		121.67		t = −0.309	0.76
fMRI motion parameters
Mean motion	0.09	0.03	0.10	0.03	t = −1.141	0.26
Maximum motion	0.47	0.28	0.52	0.31	t = −0.517	0.61
Total number of movements	124.87	80.20	138.27	64.75	t = −0.604	0.55
Mean rotation	0.001	0.0003	0.001	0.0004	t = −0.867	0.39
Maximum rotation	0.006	0.0025	0.008	0.0070	t = −0.803	0.43

^*Significant at p < 0.05 level.