Rao-Ballard 1999 predictive-coding cortical hierarchy: top-down predictions; bottom-up prediction-errors; explains end-stopping + extra-classical-RF effects; linked to free-energy (Friston).
Rao-Ballard 1999 predictive-coding cortical hierarchy: top-down predictions; bottom-up prediction-errors; explains end-stopping + extra-classical-RF effects; linked to free-energy (Friston).