Evidence-Based Complementary and Alternative Medicine

Research Article

Multivariate Granger Causality Analysis of Acupuncture Effects in Mild Cognitive Impairment Patients: An fMRI Study

Table 3

Path weights from multivariate Granger causality analyses under the MCI-Shallow ( ).
 pMCC FGMPFCPutamenSTGPreCNCulmenCuneusM1IPLInsulaaMCCSIThalamus
pMCC —××××0.98××××××××
FG×—××××××××××××
MPFC××—××××0.63××××××
Putamen×0.78×—××××××××××
STG××××—×××××××××
PreCN×××××—××××××××
Culmen××××××— ××××××
Cuneus×××××0.56×—××××××
M1××××××××—×××1.34×
IPL×××××××××—××××
Insula××××××××××—××0.32
aMCC×××××××××××—××
SI××××××××××××—×
Thalamus×××××××××××××—
Only the significant paths are listed. Influences are from column ROI to row ROI. × indicates the weights below the significance. Abbreviations: pMCC: posterior middle cingulate cortex; FG: fusiform gyrus; MPFC: medial prefrontal cortex; STG: superior temporal gyrus; PreCN: precuneus; M1: primary motor cortex; IPL: inferior parietal lobule; aMCC: anterior middle cingulate cortex; SI: primary somatosensory cortex.