The CB1-selective inverse agonist rimonabant (rim, 1 mg/kg, IP) was administered together with JZL184 (16 mg/kg, IP) and rats were tested 4 h later. a Time spent in open arms (s); b number of open arm entries; c anxiety index; d number of stretch-attend postures; e number of head dips. Results are expressed as mean ± SEM (n = 8 per group). Two-way ANOVA followed by Newman–Keuls multiple comparison test. *P < 0.05, **P < 0.01, ***P < 0.001.