Cognitive reserve mitigates cognitive impairment in cerebral small vessel disease by protecting white matter fibers: an automated fiber quantification study - Mingyu Li; Yachen Shi; Lin Ma; Haixia Mao; Min Xu; Qianqian Gao; Jiayi Yang; Feng Wang; Xiangming Fang; Xiaoyun Hu (Brain Imaging and Behavior, 2025)