Table 1.

Mean ± SEM levels of baseline freezing at test for all groups across all experiments

Experiment	Groups	Mean percentage freezing at baseline
1A	Saline	15 ± 5
	Bupivacaine	28 ± 7
1B	Saline	6 ± 4
	Bupivacaine	19 ± 6
2A	Control	36 ± 6
	Saline	24 ± 6
	Bupivacaine	24 ± 9
2B	Control	19 ± 11
	Saline	19 ± 5
	Bupivacaine	30 ± 5
3	17-Saline	32 ± 7
	17-Bupivacaine	32 ± 7
	24-Saline	30 ± 7
	24-Bupivacaine	30 ± 8

No significant differences were found between any groups.