Table 2.

Locomotor behaviors during extinction sessions. Values represent percentage (mean ± SEM) of all observed behaviors during the inter-trial intervals for SB-334867 (SB) and vehicle (Veh) treated groups.

	Extinction 1			Extinction 2
	Veh	SB	Veh/Veh	Veh/SB	SB/Veh	SB/SB
Sitting	29.72±2.9	33.50±4.2	33.53±3.5	33.22±4.6	28.42±4.6	37.09±4.2
Sniffing	20.15±2.9	17.55±1.9	16.76±3.5^	24.64±1.8*^	19.09±3.8	13.70±1.8*
Walking	9.97±1.1	9.58±1.1	8.52±1.0	11.05±0.7	9.38±1.5	8.45±1.4
Rearing	12.08±1.0	9.55±2.4	13.71±2.0	7.72±1.4	10.08±2.5	9.93±2.0
Grooming	3.63±0.5	4.99±0.6	7.03±1.2	5.79±1.2	6.49±1.6	10.56±3.2
Food cup	23.20±2.9	23.70±3.8	19.66±4.0	16.69±3.6	25.57±5.6	18.30±3.1

^*p<0.05 between groups

^{^}p=0.06 between groups