Table 2.

Analysis of 4–6 Hz band oscillatory neurons and tremor related oscillatory neurons in the basal ganglia nuclei and the Vop and Vim of thalamus

Patient	Oscillatory neurons (number)	4–6 Hz band oscillatory neurons (number)	Tremor related oscillatory neurons Number (percentage)	Range of coherent efficiency	Mean coherent efficiency (±SD)
STN (n = 11)	52	30	12/30 (40.0%)	0.45~ 0.85	0.68 ± 0.12
GPi (n = 9)	40	23	6/23 (26.1%)	0.5~ 0.9	0.73 ± 0.14
Vop/Vim (n = 9)	33/25	29/21	14/29 (48.3%)*,# /11/21 (52.4%)*,#	0.45~ 0.95 /0.55~ 0.95	0.75 ± 0.18 /0.82 ± 0.14

STN: subthalamic nucleus, GPi: globus pallidus internus; Vop: ventral oral posterior of thalamus; Vim: ventral intermediate of thalamus; *: STN tremor related oscillatory neurons: compared to Vim, and Vop, p < 0.05; ^# GPi compared to Vop and Vim, p < 0.05; ^&: STN compared to Vim, p < 0.05