Corticocortical connections showing task-sensitive modulation of synchrony for the variants of handwriting
| Connected regions . | MNI (x,y,z; x,y,z) . | Effect . | Band . | Mean SI (Δ%a) . |
|---|---|---|---|---|
| Left hemisphere | ||||
| a. IFC—IPS | (−50, 15, 20; −29, −47, 39) | RW > LD | δθ | 0.190 (4) |
| b. vPM—dPM | (−43, 4, 33; −16, −13, 64) | LD > PD/RW | α1 | 0.207 (7/4) |
| c. STS—IOC | (−48, −38, −2; −28, −78, −6) | LW > LD | α1 | 0.210 (7) |
| d. TPOj—POC | (−41, −59, 15; −20, −81, 43) | LD > RW | α2 | 0.178 (7) |
| e. SMC—SMA | (−45, −19, 58; −13, 8, 50) | RW > LW | β1 | 0.271 (51) |
| f. IPL—dPMb g. IPL—SMCb | (−49, −48, 48; −28, −16, 68) (−49, −48, 48; −41, −14, 55) | RW > LD | β2 | 0.178 (28) |
| h. IPoCS—SPoCS | (−51, −24, 34; −27, −41, 58) | PD > LW | β2 | 0.128 (13) |
| i. IPL—POper | (−50, −48, 49; −63, −14, 27) | PD > LD | γ1 | 0.107 (50) |
| Right hemispherec | ||||
| j. POper—dPM | (63, −16, 16; 13, −8, 58) | PD > LD | δθ | 0.214 (12) |
| k. POper—SFC | (48, −25, 21; 29, 6, 46) | PD > LW | β2 | 0.214 (27) |
| Across hemispheres | ||||
| l. lSPL—rSPL | (−20, −64, 67; 21, −45, 57) | PD > RW | α1 | 0.220 (8) |
| m. lvPM—rSMA | (−59, −1, 31; 5, −11, 51) | LD > LW | α2 | 0.173 (3) |
| n. lSMC—rSMA | (−61, −11, 24; 5, −11, 51) | LD > LW | α2 | 0.176 (3) |
| o. lMPL—rSMA | (−9, −60, 46; 4, −20, 67) | LW > PD | α2 | 0.180 (4) |
| p. lSFC—rSMC | (−18, −3, 60; 44, −19, 55) | LD > PD | β1 | 0.146 (10) |
| q. lSPL—rdPM | (−19, −46, 64; 38, −15, 68) | PD > LD | γ2 | 0.049 (36) |
| Connected regions . | MNI (x,y,z; x,y,z) . | Effect . | Band . | Mean SI (Δ%a) . |
|---|---|---|---|---|
| Left hemisphere | ||||
| a. IFC—IPS | (−50, 15, 20; −29, −47, 39) | RW > LD | δθ | 0.190 (4) |
| b. vPM—dPM | (−43, 4, 33; −16, −13, 64) | LD > PD/RW | α1 | 0.207 (7/4) |
| c. STS—IOC | (−48, −38, −2; −28, −78, −6) | LW > LD | α1 | 0.210 (7) |
| d. TPOj—POC | (−41, −59, 15; −20, −81, 43) | LD > RW | α2 | 0.178 (7) |
| e. SMC—SMA | (−45, −19, 58; −13, 8, 50) | RW > LW | β1 | 0.271 (51) |
| f. IPL—dPMb g. IPL—SMCb | (−49, −48, 48; −28, −16, 68) (−49, −48, 48; −41, −14, 55) | RW > LD | β2 | 0.178 (28) |
| h. IPoCS—SPoCS | (−51, −24, 34; −27, −41, 58) | PD > LW | β2 | 0.128 (13) |
| i. IPL—POper | (−50, −48, 49; −63, −14, 27) | PD > LD | γ1 | 0.107 (50) |
| Right hemispherec | ||||
| j. POper—dPM | (63, −16, 16; 13, −8, 58) | PD > LD | δθ | 0.214 (12) |
| k. POper—SFC | (48, −25, 21; 29, 6, 46) | PD > LW | β2 | 0.214 (27) |
| Across hemispheres | ||||
| l. lSPL—rSPL | (−20, −64, 67; 21, −45, 57) | PD > RW | α1 | 0.220 (8) |
| m. lvPM—rSMA | (−59, −1, 31; 5, −11, 51) | LD > LW | α2 | 0.173 (3) |
| n. lSMC—rSMA | (−61, −11, 24; 5, −11, 51) | LD > LW | α2 | 0.176 (3) |
| o. lMPL—rSMA | (−9, −60, 46; 4, −20, 67) | LW > PD | α2 | 0.180 (4) |
| p. lSFC—rSMC | (−18, −3, 60; 44, −19, 55) | LD > PD | β1 | 0.146 (10) |
| q. lSPL—rdPM | (−19, −46, 64; 38, −15, 68) | PD > LD | γ2 | 0.049 (36) |
aΔ%, percentual change of the mean SI level between the contrasting tasks.
bThese connections were treated as representing one functional connection.
cOne task-sensitive connection (between the right occipital [MNI 7, −78, 30] and anterior temporal [52, 15, −30] cortices, PD > LD) was excluded from the results, as its SI values (mean 0.05 ± 0.002 SD) remained under the 5th percentile of the SI distribution of the other connections (mean 0.18 ± 0.07 SD).
d/vPM; IFC, inferior frontal cortex; IOC, inferior occipital cortex; IPL, inferior parietal lobe; IPoCS, inferior postcentral sulcus; IPS, intraparietal sulcus; MPL, medial parietal lobe; POC, parieto-occipital cortex; POper, parietal operculum; SFC, superior frontal cortex; SMA; SMC, primary sensorimotor cortex; SPL, superior parietal lobe; SPoCS, superior postcentral sulcus; STS, superior temporal sulcus; TPOj and l/r, left/right hemisphere.
Corticocortical connections showing task-sensitive modulation of synchrony for the variants of handwriting
| Connected regions . | MNI (x,y,z; x,y,z) . | Effect . | Band . | Mean SI (Δ%a) . |
|---|---|---|---|---|
| Left hemisphere | ||||
| a. IFC—IPS | (−50, 15, 20; −29, −47, 39) | RW > LD | δθ | 0.190 (4) |
| b. vPM—dPM | (−43, 4, 33; −16, −13, 64) | LD > PD/RW | α1 | 0.207 (7/4) |
| c. STS—IOC | (−48, −38, −2; −28, −78, −6) | LW > LD | α1 | 0.210 (7) |
| d. TPOj—POC | (−41, −59, 15; −20, −81, 43) | LD > RW | α2 | 0.178 (7) |
| e. SMC—SMA | (−45, −19, 58; −13, 8, 50) | RW > LW | β1 | 0.271 (51) |
| f. IPL—dPMb g. IPL—SMCb | (−49, −48, 48; −28, −16, 68) (−49, −48, 48; −41, −14, 55) | RW > LD | β2 | 0.178 (28) |
| h. IPoCS—SPoCS | (−51, −24, 34; −27, −41, 58) | PD > LW | β2 | 0.128 (13) |
| i. IPL—POper | (−50, −48, 49; −63, −14, 27) | PD > LD | γ1 | 0.107 (50) |
| Right hemispherec | ||||
| j. POper—dPM | (63, −16, 16; 13, −8, 58) | PD > LD | δθ | 0.214 (12) |
| k. POper—SFC | (48, −25, 21; 29, 6, 46) | PD > LW | β2 | 0.214 (27) |
| Across hemispheres | ||||
| l. lSPL—rSPL | (−20, −64, 67; 21, −45, 57) | PD > RW | α1 | 0.220 (8) |
| m. lvPM—rSMA | (−59, −1, 31; 5, −11, 51) | LD > LW | α2 | 0.173 (3) |
| n. lSMC—rSMA | (−61, −11, 24; 5, −11, 51) | LD > LW | α2 | 0.176 (3) |
| o. lMPL—rSMA | (−9, −60, 46; 4, −20, 67) | LW > PD | α2 | 0.180 (4) |
| p. lSFC—rSMC | (−18, −3, 60; 44, −19, 55) | LD > PD | β1 | 0.146 (10) |
| q. lSPL—rdPM | (−19, −46, 64; 38, −15, 68) | PD > LD | γ2 | 0.049 (36) |
| Connected regions . | MNI (x,y,z; x,y,z) . | Effect . | Band . | Mean SI (Δ%a) . |
|---|---|---|---|---|
| Left hemisphere | ||||
| a. IFC—IPS | (−50, 15, 20; −29, −47, 39) | RW > LD | δθ | 0.190 (4) |
| b. vPM—dPM | (−43, 4, 33; −16, −13, 64) | LD > PD/RW | α1 | 0.207 (7/4) |
| c. STS—IOC | (−48, −38, −2; −28, −78, −6) | LW > LD | α1 | 0.210 (7) |
| d. TPOj—POC | (−41, −59, 15; −20, −81, 43) | LD > RW | α2 | 0.178 (7) |
| e. SMC—SMA | (−45, −19, 58; −13, 8, 50) | RW > LW | β1 | 0.271 (51) |
| f. IPL—dPMb g. IPL—SMCb | (−49, −48, 48; −28, −16, 68) (−49, −48, 48; −41, −14, 55) | RW > LD | β2 | 0.178 (28) |
| h. IPoCS—SPoCS | (−51, −24, 34; −27, −41, 58) | PD > LW | β2 | 0.128 (13) |
| i. IPL—POper | (−50, −48, 49; −63, −14, 27) | PD > LD | γ1 | 0.107 (50) |
| Right hemispherec | ||||
| j. POper—dPM | (63, −16, 16; 13, −8, 58) | PD > LD | δθ | 0.214 (12) |
| k. POper—SFC | (48, −25, 21; 29, 6, 46) | PD > LW | β2 | 0.214 (27) |
| Across hemispheres | ||||
| l. lSPL—rSPL | (−20, −64, 67; 21, −45, 57) | PD > RW | α1 | 0.220 (8) |
| m. lvPM—rSMA | (−59, −1, 31; 5, −11, 51) | LD > LW | α2 | 0.173 (3) |
| n. lSMC—rSMA | (−61, −11, 24; 5, −11, 51) | LD > LW | α2 | 0.176 (3) |
| o. lMPL—rSMA | (−9, −60, 46; 4, −20, 67) | LW > PD | α2 | 0.180 (4) |
| p. lSFC—rSMC | (−18, −3, 60; 44, −19, 55) | LD > PD | β1 | 0.146 (10) |
| q. lSPL—rdPM | (−19, −46, 64; 38, −15, 68) | PD > LD | γ2 | 0.049 (36) |
aΔ%, percentual change of the mean SI level between the contrasting tasks.
bThese connections were treated as representing one functional connection.
cOne task-sensitive connection (between the right occipital [MNI 7, −78, 30] and anterior temporal [52, 15, −30] cortices, PD > LD) was excluded from the results, as its SI values (mean 0.05 ± 0.002 SD) remained under the 5th percentile of the SI distribution of the other connections (mean 0.18 ± 0.07 SD).
d/vPM; IFC, inferior frontal cortex; IOC, inferior occipital cortex; IPL, inferior parietal lobe; IPoCS, inferior postcentral sulcus; IPS, intraparietal sulcus; MPL, medial parietal lobe; POC, parieto-occipital cortex; POper, parietal operculum; SFC, superior frontal cortex; SMA; SMC, primary sensorimotor cortex; SPL, superior parietal lobe; SPoCS, superior postcentral sulcus; STS, superior temporal sulcus; TPOj and l/r, left/right hemisphere.
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