Table 3.

Peak amplitude and latency of peak amplitude of in vivo cEP response components R1, R2 and R3 in subset of 4 rats

		Peak Amplitude, mV		Latency, ms
	STN DBS Frequency, Hz	Mean ± SD	Median	Mean ± SD	Median
R1	4.5	0.09 ± 0.07	0.10	1.41 ± 0.14	1.36
	9	0.09 ± 0.07	0.07	1.46 ± 0.14	1.38
	50	0.05 ± 0.04	0.05	1.72 ± 0.25	1.56
	130	0.03 ± 0.003	0.03	2.35 ± 0.47	2.35
R2	4.5	0.01 ± 0.01	0.01	13.56 ± 0.85	13.53
	9	0.01 ± 0.01	0.01	13.07 ± 0.99	12.79
	50	0.02 ± 0.01	0.02	15.04 ± 1.24	15.32
R3	4.5	0.02 ± 0.01	0.02	25.34 ± 0.94	24.88
	9	0.02 ± 0.01	0.01	24.62 ± 1.18	24.91

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