TY - RPRT TI - Perceptual training selectively strengthens top-down signaling to sensory cortex AU - Macedo-Lima, M. AU - McCollum, M. AU - Caras, M. L. PY - 2026 DO - 10.64898/2026.06.25.734556 UR - https://www.biorxiv.org/content/10.64898/2026.06.25.734556v1 ID - 10.64898/2026.06.25.734556 ER -