Table 1.

Number of outliers within each group.

Measure	Group-housed Females	Group-housed Males	Isolated Females	Isolated Males
Social Preference Score	2	0	2	1
OF Time in Center	0	0	0	1
OF Distance Travelled	1	1	2	0
MB Marbles Buried	0	0	1	0
LDB Time in Light	0	0	0	0
AVP LS	0	1	0	0
AVP LHb	0	0	0	1
AVP PVT	0	1	0	0