Fig. 3. Effects of stimulation of mOFC D₁ and D₂ receptors on probabilistic reversal performance.

A–C Infusion of SKF 81297 into mOFC (n = 15) did not affect probabilistic reversal performance, errors during the initial discrimination/first reversal, nor did it influence win–stay or lose–shift behavior during the first two task phases. D Infusion of quinpirole (n = 14) reduced the number of reversals completed E Excessive D₂ stimulation did not affect initial discrimination or first reversal errors. F The low dose of quinpirole increases lose–shift behavior during the initial discrimination.