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. 2021 Jul 26;15:633005. doi: 10.3389/fnbeh.2021.633005

TABLE 5.

Brain activation corresponding to the main effect of condition in n-back tasks (whole-brain condition effects, all p < 0.05 [familywise error rate (FWE)-corrected]; only the maximum peak in grey matter is reported for each cluster).

Region Number of active voxels in the cluster (k) Side MNI
t-value
x y z
2-back > 1-back
Inferior frontal gyrus (pars triangularis) 7685 L −38 16 30 6.74
Superior parietal lobule 6073 L −26 −66 54 6.61
Middle frontal gyrus 1012 R 38 38 40 4.76
Cerebellum (VI) 834 R 12 −72 −26 5.81
Middle frontal gyrus 265 L −28 48 20 5.00
Insular lobe 257 R 32 26 0 4.97
2-back > 0-back
Middle frontal gyrus 21401 L −26 2 56 9.87
Superior parietal lobule 12119 L −28 −62 44 10.35
Cerebellum (VI) 6349 R 10 −78 −22 9.34
Thalamus 944 R 12 −2 2 4.90
Middle temporal gyrus 257 R 46 −54 12 3.98
2-back > baseline
Posterior medial frontal 32824 R 4 24 48 11.15
Inferior parietal lobule 27229 L −42 −44 48 9.81
1-back > 0-back
Superior parietal lobule 19251 R 32 −68 50 8.04
Inferior frontal gyrus (pars triangularis) 11731 R 50 28 24 8.31
Inferior frontal gyrus (pars triangularis) 5831 L −44 34 26 7.08
Thalamus 1176 R 20 −20 12 5.26
Middle cingulate cortex 465 L −2 −28 30 5.16
Caudate nucleus 269 L −10 −2 16 4.42
1-back > baseline
Posterior medial frontal 78791 R 6 8 56 10.56
0-back > baseline
Posterior medial frontal 36244 L −4 0 50 9.49
Cerebellum (VI) 418 L −38 −52 −28 5.64
1-back > 2-back
Middle cingulate cortex 1285 L −12 −28 50 5.01
Rolandic operculum 1193 L −40 −18 18 6.04
Insular lobe 898 R 38 −14 8 4.59
Superior medial gyrus 889 L −10 58 24 5.02
Postcentral gyrus 267 L −34 −26 48 3.73
0-back > 2-back
Superior medial gyrus 940 L −10 58 26 5.39
Rolandic operculum 501 R 40 −20 22 4.25
Rolandic operculum 356 L −40 −14 16 4.47
baseline > 2-back
Precuneus 407 L −6 −52 20 4.54
Superior medial gyrus 292 L −2 60 2 4.07

L: left; MNI: Montreal Neurological Institute; R: right.