Figure 3.

Impairment of ORM in sst3 knock-out mice. A, sst3 knock-out mice show no impairment of ORM with a 5 min retention interval between the sample phase and the test phase. Dashed lines in this and subsequent figures indicate equal exploration of both objects. B, With a 1 h delay between the sample phase and the test phase, sst3 knock-out mice, in contrast to wild-type mice, do not show a preference for the novel object. *Significant preference (one-sample t test); ^¥significant difference from wild type (unpaired t test).