Supplementary Material Aging and frontoparietal network 1

Supplementary Material

Table S1. Brain areas showing task-related activity changes.

Region / Hem / X(mm) / Y(mm) / Z(mm) / BSR
Fixation > 4 task conditions
precuneus / R / 4 / -56 / 20 / -21.58
mid orbital gyrus / L / -4 / 48 / -8 / -16.02
middle occipital gyrus / R / 48 / -68 / 24 / -11.32
middle temporal gyrus / L / -56 / -56 / 20 / -11.11
insula lobe / L / -36 / -20 / 20 / -10.12
middle frontal gyrus / L / -24 / 28 / 40 / -9.97
middle temporal gyrus / R / 60 / 4 / -24 / -9.27
superior frontal gyrus / R / 24 / 36 / 36 / -8.58
precentral gyrus / R / 40 / -16 / 36 / -6.97
4 task conditions > Fixation
fusiform gyrus / L / -36 / -76 / -16 / 20.57
middle cingulate cortex / R / 4 / 16 / 40 / 11.43
superior parietal lobule / L / -28 / -60 / 44 / 10.70
insula lobe / R / 36 / 24 / 4 / 10.63
cerebellum VIII / R / 32 / -60 / -56 / 10.46
superior parietal lobule / R / 24 / -68 / 48 / 9.75
precentral gyrus / L / -48 / 0 / 36 / 9.46
inferior frontal gyrus p. opercularis / R / 44 / 8 / 20 / 9.39
insula lobe / L / -32 / 24 / -4 / 8.34
middle frontal gyrus / R / 40 / 40 / 16 / 8.17

Note: MNI coordinates of cluster maxima showing the pattern of activity depicted in Figure 4b; clusters shown in Figure 4a. Negative BSRs (bootstrap ratios) = more activity during fixation. Positive BSRs = more activity during task conditions. Hem = hemisphere; R = right; L = left.

Table S2. Brain areas similarly correlated with the left rostral PFC in both groups at rest

Region / Hem / X(mm) / Y(mm) / Z(mm) / BSR
middle frontal gyrus / R / 32 / 52 / 12 / 16.3656
temporal pole / R / 48 / 12 / -8 / 11.2265
putamen / L / -16 / 12 / 0 / 7.5374
temporal pole / L / -52 / 8 / 0 / 12.3529
globus pallidus / R / 16 / 4 / 0 / 8.3913
cerebellum / R / 12 / -48 / -20 / 8.1408
inferior parietal lobe / L / -36 / -48 / 52 / 7.3254
cerebellum / L / -12 / -52 / -36 / 9.3171
cerebellum / R / 32 / -52 / -52 / 7.5884
fusiform gyrus / R / 40 / -60 / -24 / 8.6333
fusiform gyrus / L / -36 / -64 / -20 / 9.0747
occipital gyrus / R / 44 / -72 / 4 / 6.9238
middle occipital gyrus / L / -32 / -88 / 16 / 7.8137
lingual gyrus / L / -20 / -88 / -12 / 7.3281
middle occipital gyrus / R / 32 / -92 / 4 / 9.3444

Note: Regions that positively correlated with the left rostral PFC seed in both groups; clusters shown in orange/green in Figure 7a.

Table S3. Brain areas similarly correlated with the right rostral PFC in both groups at rest

Region / Hem / X(mm) / Y(mm) / Z(mm) / BSR
rostral PFC / L / -28 / 48 / 16 / 14.80
inferior frontal gyrus / R / 52 / 24 / -8 / 15.00
superior frontal gyrus / R / 20 / 24 / 52 / 12.65
superior temporal gyrus / L / -52 / 16 / -8 / 11.07
superior temporal gyrus / L / -56 / -56 / 16 / 12.56
inferior parietal lobule / L / -48 / -52 / 44 / 9.46
superior temporal gyrus/IPL / R / 60 / -40 / 20 / 13.23
precentral gyrus / L / -28 / -24 / 64 / 7.96
thalamus / L / -12 / -24 / 0 / 8.57
fusiform gyrus / L / -40 / -52 / -20 / 7.67
cerebellum / L / -4 / -56 / -40 / 8.97
cerebellum / L / -36 / -52 / -40 / 8.69
cerebellum / R / 24 / -76 / -36 / 8.28
inferior occipital gyrus / L / -32 / -88 / -16 / 8.43

Note: Regions that positively correlated with the right rostral PFC seed in both groups; clusters shown in blue/green in Figure 7a. IPL = inferior parietal lobe.