Altered effective connectivity from the left globus pallidus to the other brain regions in low-grade HE patients.

Positive sign represents increase, and negative sign represents decrease. HE = hepatic encephalopathy; FDR = false discovery rate; Hem = hemisphere; BA = Brodmann's area; MNI = Montreal Neurological Institute; ΔVol: volume difference; ACC = anterior cingulate cortex; ITG = inferior temporal gyrus; STG = superior temporal gyrus; PHG = parahippocampal gyrus; MFG = middle frontal gyrus.