Table 1.

Peak amplitude and latency of peak amplitude of in vivo cEP response components R1, R2, and R3 in subset of 6 rats

		Peak Amplitude, mV		Latency, ms
	STN DBS Frequency, Hz	Mean ± SD	Median	Mean ± SD	Median
R1	4.5	0.12 ± 0.06	0.11	1.35 ± 0.07	1.34
	9	0.12 ± 0.06	0.11	1.38 ± 0.06	1.35
	50	0.10 ± 0.04	0.11	1.65 ± 0.15	1.64
	130	0.03 ± 0.02	0.03	2.44 ± 0.46	2.73
R2	4.5	0.04 ± 0.02	0.05	8.33 ± 0.73	8.53
	9	0.03 ± 0.01	0.04	8.63 ± 0.93	8.92
R3	4.5	0.04 ± 0.02	0.03	27.77 ± 2.42	28.03
	9	0.04 ± 0.02	0.03	28.87 ± 1.67	29.17

cEP, cortical evoked potential; STN, subthalamic nucleus; DBS, deep brain stimulation.