Fig. 4

The effects of the administration of highest doses of S-3,4-DCPG, as a potent and selective mGlu8 agonist (3 μg/0.5 μL) into the nucleus accumbens (NAc) 5 min before the test on the post-conditioning day. Bars represent mean ± S.E.M (Saline; n = 6, Vehicle; n = 7, DCPG (3 μg/side); n = 6). ns: not significant, *p < 0.05. Kruskal Wallis test followed by Dunn's multiple comparisons test