Predictive coding: A distinction - without a difference
Publication information:
Lowet, A. S.; Uchida, N.
Predictive Coding: A Distinction - Without a Difference. Curr. Biol. 2024, 34 (20), R926-R929.
Abstract
Influential models hold that neurons in the cerebral cortex signal the difference between actual and expected inputs. A new study instead finds that cortical prediction errors reflect not subtraction but rather stimulus-specific amplification of unexpected inputs.