Table 2.

Activation by potential reward- specific to requirement for an instrumental response

Linear contrast:	Region	Talairach Coordinates:			t-value:	uncorrected p
Higher-order (P = 1.0 vs P = 0 Response trials) vs(P = 1.0 vs P = 0 Nonresponse trials)	L Precentral gyrus	−30	−30	48	5.503	<.000001
	L Postcentral gyrus	−41	−19	29	4.397	<.0001
		−56	−19	19	4.091	<.0001
	R Cingulate motor area	11	−19	48	4.544	<.00001
	L Cingulate motor area	−4	−8	39	4.235	<.0001
	R Precentral gyrus	19	−26	67	4.555	<.00001
	R Postcentral gyrus	26	−30	53	4.013	<.0001
	L Superior parietal lobe	−22	−45	58	5.241	<.000001
	R Superior parietal lobe	19	−45	58	4.116	<.0001
	L Inferior parietal lobe	−56	−34	24	4.083	<.0001
	L Superior temporal lobe	−53	−4	5	4.243	<.0001
	R Superior temporal lobe	56	−15	10	4.258	<.0001
	R Lingual gyrus	11	−68	−4	4.310	<.0001
	L Superior frontal gyrus	−19	11	63	4.219	<.0001
	L Insula	−34	0	10	4.824	<.00001
	L Putamen (caudal)	−26	−19	0	4.147	<.0001
	R Putamen (caudal)	26	−19	5	5.000	<.000001
	L dorsal cerebellum	11	−60	−9	4.492	<.00001
Higher-order(P = 0.5 vs P = 0 Response trials) vs(P = 0.5 vs P = 0 Nonresponse trials)	L Precentral gyrus	−34	−26	44	5.536	<.000001
	L Putamen (rostral)	−15	−8	−1	4.990	<.000001
	R Putamen (rostral)	19	−11	−1	4.780	<.00001
	R Putamen (caudal)	23	4	5	4.340	<.0001
	L Middle occipital gyrus	−38	−90	15	4.358	<.0001
	L Insula	−30	4	10	4.317	<.0001
	L Superior frontal gyrus	−15	−11	68	4.244	<.0001
	R Middle frontal gyrus	30	26	29	4.075	<.0001
	L Caudate (tail)	−26	−38	5	4.046	<.0001