TY - RPRT TI - Global brain activity links subcortical degeneration to cortical tau progressively across Braak regions over early Alzheimer disease stages AU - Mao, Y. AU - Pan, B. AU - Liu, X. PY - 2026 DO - 10.64898/2026.01.23.701360 UR - https://www.biorxiv.org/content/10.64898/2026.01.23.701360v1 ID - 10.64898/2026.01.23.701360 ER -