Table 1.

Mean levels of baseline freezing at test in experiments 1A and 1B

Experiment	Group	Mean % freezing at baseline (±SEM)
1A	P17–saline	7.5 (±2)
	P17–muscimol	9.4 (±6)
	P24–saline	24.2 (±9)
	P24–muscimol	10.7 (±5)
1B	No extinction	13.9 (±4)
	Saline	11.9 (±3)
	Muscimol	12.1 (±2)

No significant differences were found between any groups.