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Just Do It: Action-Dependent Learning Allows Sensory Prediction

Identifieur interne : 002424 ( Pmc/Corpus ); précédent : 002423; suivant : 002425

Just Do It: Action-Dependent Learning Allows Sensory Prediction

Auteurs : Itai Novick ; Eilon Vaadia

Source :

RBID : PMC:3187836

Abstract

Sensory-motor learning is commonly considered as a mapping process, whereby sensory information is transformed into the motor commands that drive actions. However, this directional mapping, from inputs to outputs, is part of a loop; sensory stimuli cause actions and vice versa. Here, we explore whether actions affect the understanding of the sensory input that they cause. Using a visuo-motor task in humans, we demonstrate two types of learning-related behavioral effects. Stimulus-dependent effects reflect stimulus-response learning, while action-dependent effects reflect a distinct learning component, allowing the brain to predict the forthcoming sensory outcome of actions. Together, the stimulus-dependent and the action-dependent learning components allow the brain to construct a complete internal representation of the sensory-motor loop.


Url:
DOI: 10.1371/journal.pone.0026020
PubMed: 21998746
PubMed Central: 3187836

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