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. 2015 Mar 5;10(3):e0119152. doi: 10.1371/journal.pone.0119152

Table 1. Firing rates of GP, STN and SNr neurons before and after dopamine or quinpirole injection into the GP.

	FR increase cells		FR decrease cells		Non responsive cells
	Before	After	Before	After	Before	After
*GP neurons*
Dopamine	18.64±1.62	27.03±2.44^***	21.15±8.95	15.20±9.43^*	22.63±2.07	22.63±2.12^ns
Quinpirole	14.31±2.14	19.44±2.72^**	20.22±3.31	10.87±1.56^**	24.68±3.96	25.61±3.99^ns
*STN neurons*
Dopamine	4.72±0.60	6.66±0.96^*	5.12±0.79	3.43±0.56^*	6.39±0.72	6.22±0.60^ns
Quinpirole	11.92±6.69	18.86±4.10^*	11.36±2.51	7.23±1.43^*	12.91±2.48	13.33±2.67^ns
*SNr neurons*
Dopamine	9.03±2.90	13.10±3.78^*	9.41±1.24	5.73±1.03^*	12.30±4.16	12.54±4.64^ns
Quinpirole	21.82±6.00	32.12±7.40^*	16.10±2.11	8.99±1.60^*	12.91±2.48	13.33±2.67^ns

FR: firing rate in spikes/sec; values are presented as the mean ± SEM. Statistical analysis using paired t-test was performed;

*: p<0.05,

**: p<0.01,

***: p<0.001 in comparison with before drug injection.