Behavioral results. The duration of stimulus contact, grooming, and rearing in each of the four groups during the 60 min test period. *p < 0.05, significantly different from CONTROL-SAL group; #p < 0.05, significantly different from CONTROL-MDZ group; &p < 0.05, significantly different from CAT-SAL group, ^p < 0.05, significantly different from CAT-MDZ group; Newman-Keuls post hoc tests.