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(A) Dose-response to fluoxetine (1–50 nmol/hem) and paroxetine (5.0–15 nmol/hem) administered into the IMM immediately after training on weakly reinforced learning, n = 11–20 per group. (B) Time of injection function after weakly reinforced training with injection of fluoxetine (10 nmol/hem) into the IMM at times from immediately after training to 40 min, n = 17–19 per group, *P < 0.05 from saline-injected animals.
