Table 1 The activation during explorative and exploitative decision-making.

From: Motivational system modulates brain responses during exploratory decision-making

Volume information	Peak coordinates			t value	Cluster (Voxels)
Volume information	x	y	z	t value	Cluster (Voxels)
Exploration
Fusiform gyrus, middle temporal gyrus	30	− 72	− 10	20.36	89,547
Lingual gyrus	− 12	− 90	− 10	18.62
Calcarine sulcus	14	− 92	− 4	18.34
Hippocampus	− 24	− 26	− 8	18.06
Superior occipital gyrus	18	− 98	6	17.73
Middle occipital gyrus, Angular gyrus	− 26	− 92	10	17.51
Thalamus, striatum	20	− 24	2	17.33
Precuneus, cuneus	22	− 92	12	16.91
Inferior parietal lobule, precuneus	32	− 52	50	15.26
Supramarginal gyrus	− 60	− 22	16	15.06
Anterior insula, ventromedial prefrontal cortex	36	22	− 4	14.66
Precentral gyrus, premotor cortex, supplementary motor area, dorsolateral prefrontal cortex	48	6	28	14.66
Dorsal anterior cingulate cortex	− 2	24	26	12.33
Exploitation
Fusiform gyrus	− 22	− 84	− 10	19.45	90,107
Hippocampus	− 24	− 26	− 8	17.45
Superior occipital gyrus	24	− 94	14	17.23
Middle occipital gyrus, Angular gyrus	− 26	− 90	10	17.19
Calcarine sulcus	14	− 92	− 4	16.95
Middle temporal gyrus	− 48	− 68	2	14.97
Supramarginal gyrus, dorsolateral prefrontal cortex	64	− 18	22	14.97
Ventrolateral prefrontal cortex	48	34	− 4	13.80
Posterior cingulate/precuneus	− 6	− 46	36	13.66
Dorsal anterior cingulate cortex, ventromedial prefrontal cortex	0	30	16	13.46
Posterior insula	− 32	− 6	10	12.47
Pons	2	− 38	− 34	4.80	99
Exploration > exploitation
Precuneus/posterior cingulate cortex	12	− 68	50	12.43	46,342
Precuneus/posterior cingulate cortex	− 8	− 68	50	10.20
Precentral gyrus, postcentral gyrus	− 38	− 34	44	11.99
Precentral gyrus, postcentral gyrus	− 48	− 34	54	10.14
Inferior parietal lobule	32	− 50	46	10.89
Inferior parietal lobule	− 32	− 52	48	10.81
Premotor cortex, dorsolateral prefrontal cortex	− 26	− 6	52	10.48
Premotor cortex, dorsolateral prefrontal cortex	28	2	50	10.30
Superior parietal lobule	− 20	− 66	58	10.36
Angular gyrus	32	− 58	42	10.23
Anterior insula, striatum, hippocampus	− 32	22	− 2	9.48
Anterior insula, striatum, hippocampus	32	24	0	9.16
Frontopolar cortex	− 30	60	20	5.06	232
Posterior cingulate cortex	6	− 26	28	4.96	301
Inferior temporal gyrus	− 32	6	− 32	4.36	91
Exploitation > exploration
Angular gyrus	− 48	− 76	34	8.42	5643
Middle occipital gyrus	− 40	− 80	42	7.20
Middle temporal gyrus	− 64	− 36	4	6.72
Hippocampus (L), midbrain	− 22	− 46	10	6.37
Hippocampus (L), midbrain	− 24	− 16	− 22	5.41
Inferior temporal gyrus	− 60	− 8	− 22	5.64
Middle cingulate cortex	− 12	− 14	28	5.42
Ventromedial prefrontal cortex	− 4	38	− 12	8.41	6316
Ventromedial prefrontal cortex	2	34	− 14	7.56
Anterior cingulate cortex	− 6	24	− 2	7.60
Anterior cingulate cortex	8	24	− 10	7.50
Dorsolateral prefrontal cortex	− 12	46	46	7.36
Dorsomedial prefrontal cortex	− 2	56	20	6.23
Dorsomedial prefrontal cortex	2	58	20	6.22
Postcentral gyrus, precentral gyrus	14	− 36	72	6.78	5863
Superior temporal gyrus/pole	68	− 20	6	6.46
Paracentral lobule	2	− 28	60	6.32
Paracentral lobule	− 4	− 26	66	5.40
Supplementary motor cortex	6	− 22	60	6.11
Dorsolateral prefrontal cortex	54	− 6	52	5.82
Precuneus	− 8	− 40	66	5.78
Inferior parietal lobule	− 10	− 36	68	5.57
Premotor cortex	18	− 18	72	5.23
Caudate tail	20	− 36	20	6.49	445
Ventrolateral prefrontal cortex	− 52	30	4	4.97	290
Precuneus/posterior cingulate cortex	− 4	− 46	38	4.90	361

Statistical significance was thresholded at uncorrected p < 0.001 with a minimum cluster size of 77 voxels, which yielded an overall false positive p < 0.05 as determined using Alpha-Sim for multiple comparisons correction.

Back to article page

Table 1 The activation during explorative and exploitative decision-making.

Search

Quick links