Table 2.

Frequency (mean±S.E.M.) of behaviors obtained when Oxtr WT and KO mice explored each of the two outer compartments of the three-chambered apparatus during the sociability phase.

	Oxtr WT (empty cup)	Oxtr WT (stimulus mouse)	Oxtr KO (empty cup)	Oxtr KO (stimulus mouse)
Rear	23.85±3.06	23.15±3.57	31.81±3.4	24.31±2.38
Contact	1.69±0.7	2.54±0.69	2.19±0.58	2.56±0.47
Sniff	13.92±1.72	32.08±2.86	13.25±1.42	23.38±1.75*
Quick  withdraw	0±0	3.54±0.73	0±0	3.19±0.97
Nose to nose	0±0	4.00±1.03	0±0	2.31±0.45
Self-grooming	4.62±0.99	2.15±0.86	3.56±1.0	2.06±0.69

n=13 for WT and 16 for Oxtr KO.

^*p<0.05 compared to WT by unpaired t-test.