Table 1.

Win–stay and lose–shift ratios displayed following D₁ or D₂ blockade and stimulation during probabilistic reversal learning, computed across the entire session, and averaged across correct and incorrect choices.

	Saline		Low dose		High dose
	Win–stay	Lose–shift	Win–stay	Lose–shift	Win–stay	Lose–shift
D1 antagonist (SCH 23390)	0.72 ± 0.02	0.47 ± 0.02	0.70 ± 0.02	0.55 ± 0.02	0.69 ± 0.03	0.50 ± 0.03
D2 antagonist (eticlopride)	0.71 ± 0.01	0.46 ± 0.02	0.72 ± 0.01	0.47 ± 0.01	0.73 ± 0.02	0.45 ± 0.02
D1 agonist (SKF 81297)	0.74 ± 0.01	0.49 ± 0.02	0.79 ± 0.04	0.50 ± 0.05	0.76 ± 0.01	0.48 ± 0.02
D2 agonist (quinpirole)	0.76 ± 0.02	0.48 ± 0.02	0.75 ± 0.02	0.50 ± 0.03	0.72 ± 0.02	0.45 ± 0.03

Ratios are displayed for correct and incorrect trials across the whole session. Values displayed are mean ± SEM.