PeerJ Author 100 Points Contributions by role Author 100 Contributions by subject area Neuroscience Geriatrics Neurology Ophthalmology Xiaolei Liu PeerJ Author Summary Geriatrics Neurology Neuroscience Ophthalmology PeerJ Contributions Articles 1 October 20, 2017 The benefits of Tai Chi and brisk walking for cognitive function and fitness in older adults Zhiguang Ji, Anmin Li, Tian Feng, Xiaolei Liu, Yihong You, Fanying Meng, Ruoqing Wang, Jialing Lu, Chunhua Zhang https://doi.org/10.7717/peerj.3943 PubMed 29062610