EXPRESS: Somatotopic Homunculus Profiles of Motor Cortex and Corticospinal Tract in Aging. Wen J, Li C, Jiang L, Pang H, Guan X, Xu X, Ge Y J Cereb Blood Flow Metab. 2026 Jul 21:271678X261473038. PMID: 42482527. Abstract CommentRecommendBookmarkWatch