Table 2.

Behavioral performance in the motivational bias experiment

	Monkey G		Monkey S		Monkey R
	High reward	Low reward	High reward	Low reward	High reward	Low reward
Trials	2394	2421	4728	4538	2742	2834
Correct (%)	81	67	81	72	73	67
p (binomial)	10−15		10−10		10−3
RT ± 1 SD (ms)	288 ± 39	276 ± 43	258 ± 35	249 ± 39	279 ± 44	270 ± 43
p (Wilcoxon)	10−23		10−39		10−13
trise ± 1 SE (ms)	91 ± 9	98 ± 13	40 ± 6	60 ± 7	68 ± 10	68 ± 8
p (bootstrap)	0.26		0.0061		0.50
tctr ± 1 SE (ms)	139 ± 5	170 ± 5	115 ± 2	123 ± 3	151 ± 3	170 ± 3
p (bootstrap)	0		0.0015		0

Percentage correct and RT data are averages over all gaps. Significance values from bootstrap are based on 10,000 resamplings.