Results from the regression model of white matter tracts in early and late aMCI.

Abbreviation: PHC, parahippocampal cingulum; Fx, fornix; UF, uncinate fasciculus; WMHs, white matter hyperintensities; HV, hippocampal volume; FA, fractional anisotropy; MD, mean diffusivity.athe late aMCI group.bthe early aMCI group.缩写说明：PHC（海马旁扣带回，parahippocampal cingulum）、Fx（穹窿，fornix）、UF（钩束，uncinate fasciculus）、WMHs（脑白质高信号，white matter hyperintensities）、HV（海马体积，hippocampal volume）、FA（各向异性分数，fractional anisotropy）、MD（平均扩散率，mean diffusivity）。^a 晚期遗忘型轻度认知障碍组；^b 早期遗忘型轻度认知障碍组。