Original ResearchPublished 3 June 2026TC2-Res: a structured fusion of tract-level and connectome-level brain imaging in small-sample cohorts of athletesYang Shi · Lixian Chen · Mingxuan Huang · Zhiqi Huang · Jiayu Ou · Junwei ZengFrontiers in Neuroanatomydoi 10.3389/fnana.2026.1841420