Table 1.

Neuropathic pain induced changes in ventrolateral periaqueductal gray on (vlPAG_on) neurons.

	Pre-paclitaxel		Post-paclitaxel				Pre-vehicle		Post-vehicle
Stim	Mean Freq (Hz)	No of neurons	Mean Freq (Hz)	No of neurons	P value	No of rats	Mean Freq (Hz)	No of neurons	Mean Freq (Hz)	No of neurons	P value	No of rats
Spont	6.6 ± 0.28	52	18.8±0.1	38	<0.01	14	6.8±0.9	64	6.1±1.6	64	>0.05	14
Pre	7.4±1.6	52	20.3±2.1	38	<0.01	14	5.1±1.3	64	8.1±2.2	64	>0.05	14
38°	12.2±2.4	52	24.4±2.8	38	<0.05	14	9.8±2.1	64	11.1±2.8	64	>0.05	14
Post	6.2±1.5	52	19.8±1.7	38	<0.01	14	7.8±1.5	64	7.1±1.7	64	>0.05	14
Pre	5.90±1.1	52	19.8±1.3	38	<0.01	14	6.4±1.8	64	9.1±1.9	64	>0.05	14
42°	10.86±1.8	52	25.1±2.6	38	<0.01	14	11.5±2.3	64	10.9±2.5	64	>0.05	14
Post	6.70±1.3	52	17.2±1.8	38	<0.05	14	7.9±1.6	64	8.5±1.8	64	>0.05	14
Pre	6.8±1.2	52	21.3±2.3	38	<0.01	14	7.5±1.8	64	7.5±2.3	64	>0.05	14
48°	19.2±2.2	52	30.6±2.7	38	<0.01	14	17.2±2.5	64	18.5±2.6	64	>0.05	14
Post	7.3±1.5	52	20.3±1.8	38	<0.01	14	8.8±1.3	64	6.5±1.9	64	>0.05	14
Pre	6.6±1.6	52	19.1±1.7	38	<0.01	14	8.1±1.5	64	7.0±1.7	64	>0.05	14
51°	24.6±2.2	52	37.2±2.7	38	<0.01	14	19.1±2.91	64	20.8±2.9	64	>0.05	14
Post	7.1±1.3	52	22.3±2.4	38	<0.01	14	7.9±1.8	64	8.5±1.5	64	>0.05	14

Freq = frequency; Spont = spontaneous; Stim = stimulation