Table 1.

Subject characteristics

Variables	Group
	ET	PD	Control
Sample size	14	14	14
Right-hand tested	8	7	9
Right-handed	12	13	12
Dominant tremor side	6 Lt, 8 Rt	7 Lt, 7 Rt	n/a
Females	8	4	8
Age (years)	61.7 (11.0)	64.0 (8.7)	60.2 (9.2)
UPDRS	n/a	29.6 (5.3)	n/a

Note: Values reported are sums or mean (SD). ET, essential tremor; PD, Parkinson's disease; UPDRS, Unified Parkinson's Disease Rating Scale.