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. 2008 Jul;15(7):483–491. doi: 10.1101/lm.978708

Figure 6.

Figure 6.

Pavlovian-instrumental transfer following infusion of D2 receptor antagonists into the NAC shell. (A) Effect of intra-NAC shell infusion of saline (n = 8), 0.5 μg of raclopride (n = 7), and 1.0 μg of raclopride (n = 7) on mean lever presses (±SEM) during presentation of CS+, CSo, and ISI. The CS+ significantly elevated responding relative to CSo and ISI after saline (P < 0.001) and 1.0 μg of raclopride (P < 0.05), but not after 0.5 μg of raclopride (P > 0.05, ANOVA followed by a post hoc Tukey HSD test). (B) Mean lever presses as a function of the temporal order of stimulus presentation during the test session. *P < 0.05; (*) P = 0.057 CS+ versus preceding ISI (planned contrast analysis). (CS+) Conditioned stimulus; (CSo) neutral stimulus; (ISI) intertrial interval (2 min in duration, respectively).