Table 1.

Characteristic of inter-spike intervals (ISIs) from individual monkeys

	Monkey	Average ISI (ms)	CV	Firing rate (spikes/s)	Burst index (%)	Integrated power spectra (%)			N
						Sub-beta	Beta	Gamma
GPe	U	23.1 ±11.2	1.5 ± 0.8	50.0 ± 16.5	20.0 ± 11.1	18.9 ± 2.9	21.6 ± 1.0	59.5 ± 3.1	18
	G	31.0 ± 11.0	2.1 ± 1.2	36.5 ± 12.9	29.4 ± 13.1	20.0 ± 3.8	21.2 ± 1.0	58.9 ± 4.0	50
	Y	28.7 ± 9.3	1.9 ± 1.0	38.1 ± 11.3	28.8 ± 9.9	20.7 ± 3.3	21.2 ± 1.0	58.3 ± 3.7	16
STN	U	57.6 ± 30.1	1.1 ± 0.3	20.3 ± 6.7	23.6 ± 1.9	17.3 ± 2.9	24.3 ± 1.4	58.4 ± 2.3	15
	G	72.0 ± 26.6	1.2 ± 0.1	15.4 ± 4.8	36.1 ± 9.7	20.7 ± 4.3	22.0 ± 1.3	57.3 ± 3.6	21
	Y	65.2 ± 9.2	1.4 ± 0.4	15.5 ± 2.1	27.6 ± 1.8	17.0 ± 1.4	23.0 ± 1.2	60.0 ± 0.6	3
GPi	U	19.6 ± 3.4	1.0 ± 0.2	52.2 ± 8.9	14.3 ± 3.8	17.1 ± 1.5	22.5 ± 1.0	60.4 ± 2.0	8
	G	25.0 ± 12.1	1.2 ± 0.4	45.1 ± 12.4	18.5 ± 10.8	16.9 ± 2.0	21.7 ± 1.0	61.4 ± 2.7	21
	Y	24.3 ± 6.8	1.0 ± 0.2	43.6 ± 9.8	16.0 ± 6.9	16.0 ± 2.7	21.2 ± 1.2	62.8 ± 3.6	10

Note: All entries, except for cell numbers, are means ± SD. ANOVA did not reveal significant differences between monkeys.