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. Author manuscript; available in PMC: 2020 Nov 1.
Published in final edited form as: Obesity (Silver Spring). 2019 Nov;27(11):1846–1855. doi: 10.1002/oby.22607

Table 2.

Changes in Functional Connectivity Strength from Pre-surgery to 12-months Post-surgery (Whole-Brain Seed Voxel Resting-State Functional Connectivity Analysis)

Nodes showing decreased magnitude and changes in directionality (positively correlated to anticorrelated) of FC from pre- to post-surgery

Network/Seed 2,3 Cluster L/R MNI (x, y, z) Cluster size ß T (p-FDR)1

Default Mode Network Seeds
R Lateral Parietal Cortex Cerebellum R +12, −58, −56 197 −0.27 −11.20 (<0.001)
Middle Temporal Gyrus, temporoocippital part L −64, −48, +4 107 −0.26 −7.41 (0.005)
Supramarginal Gyrus, anterior division L −68, −36, +28 76 −0.26 −6.03 (0.022)
Postcentral Gyrus R +48, −26, +64 67 −0.29 −6.33 (0.029)
Posterior Cingulate Cortex Lateral Occipital Cortex, superior division L −32, −72, +36 100 −0.26 −6.69 (0.011)

Salience Network Seeds
R Supramarginal Gyrus Lateral Occipital Cortex, superior division L −24, −70, +52 119 −0.25 −7.15 (0.002)
Lateral Occipital Cortex, superior division R +14, −66, +66 90 −0.27 −6.81 (0.006)
Middle Frontal Gyrus R +26, +34, +54 68 −0.23 −6.44 (0.017)
Cerebellum L −40, −50, −30 50 −0.23 −9.40 (0.043)
Anterior Cingulate Cortex Superior Parietal Lobule L −44, −52, +58 73 −0.27 −6.55 (0.021)
R Rostrolateral Prefrontal Cortex Paracingulate Gyrus R +12, +44, −4 91 −0.28 −7.15 (0.010)

Frontoparietal Network Seeds
L Posterior Parietal Cortex Lateral Occipital Cortex, superior division R +36, −72, +48 274 −0.29 −7.63 (<0.001)
Cingulate Gyrus, anterior division +10, +30, −10 78 −0.34 −6.74 (0.042)
Angular Gyrus R +58, −54, +34 72 −0.28 −6.07 (0.042)
Cerebellum L −8, −54, −52 66 −0.28 −6.03 (0.042)
Frontal Pole R +30, +48, +6 63 −0.28 −7.42 (0.042)
Frontal Medial Cortex −2, +48, −20 62 −0.21 −8.40 (0.042)
Supramarginal Gyrus, anterior division R +68, −22, +30 57 −0.30 −5.68 (0.050)
R Posterior Parietal Cortex Lateral Occipital Cortex, superior division R +32, −64, +62 158 −.030 −9.00 (<0.001)
Supramarginal Gyrus, posterior division L −48, −50, +56 65 −0.29 −7.59 (0.041)
Frontal Pole R +12, +56, +6 64 −0.30 −7.18 (0.041)
Lateral Occipital Cortex, superior division L −34, −58, +58 58 −0.27 −7.80 (0.041)
Lateral Occipital Cortex, superior division L −52, −58, +44 58 −0.25 −7.49 (0.041)
L Lateral Prefrontal Cortex Occipital Pole R +14, −94, −18 96 −0.24 −7.15 (0.009)

Nodes showing changes in directionality (anticorrelated to positively correlated) of FC from pre- to post-surgery

Network/Seed Cluster L/R MNI (x, y, z) Cluster size ß T (p-FDR)1

Salience Network Seeds
R Rostrolateral Prefrontal Cortex Pallidum L −16, −10, +2 117 0.29 9.24 (0.007)

Frontoparietal Network Seeds
L Posterior Parietal Cortex Occipital Pole L −10, −94, −22 91 0.26 7.80 (0.010)
Frontal Pole L −32, +62, +16 62 0.26 6.93 (0.031)
1

Height threshold p<0.001, p-uncorrected and cluster threshold p<0.05, cluster-size p-FDR corrected.

2

These set of nodes were tested bilaterally and significant results are presented in the current table.

3

Complete list with tested nodes is presented in Table S1, Supporting Information.