Psychology
High-level visual prediction errors in early visual cortex
D. Richter, T. C. Kietzmann, et al.
Perception blends incoming sensory input with expectations. Using fMRI in humans and deep neural networks, this study—conducted by David Richter, Tim C. Kietzmann, and Floris P. de Lange—finds that surprise signals arise from high-level visual predictions and are broadcast to earlier visual areas: both low- and high-level cortex responded to high-level, but not low-level, visual surprise, implying high-level priors shape sensory processing.
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