Figure 3: Performance of a novel object recognition task in young and aged mice. (a) The training session; (b) the test session conducted 24 h after the training session. During the testing session of the novel object recognition memory task, mice treated with saline or glucosylceramide. Mice were administrated with the glucosylceramide (50 mg/kg) for 3 months. Results are expressed as means ± S.E.M. ( in each group).