TY - RPRT TI - Understanding Performance Plateaus and Representation Collapse in 3D MRI Transformers Trained to Classify Brain Disease AU - Chattopadhyay, T. AU - Shelar, K. AU - Thomopoulos, S. I. AU - Thompson, P. M. PY - 2026 DO - 10.64898/2026.10.15.759510 UR - https://www.biorxiv.org/content/10.64898/2026.10.15.759510v1 ID - 10.64898/2026.10.15.759510 ER -