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Frédéric Alexandre "Selection of action and exploration in the basal ganglia: a model"

Abstract :

Many models of basal ganglia explore one of their fundamental functions, the selection of action, the goal of which is to select, among eligible actions, the next action that will be triggered. We will evoke such classical models and show that the saliency of eligible actions is the main criterion of selection. By contrast, our model does not use directly the saliency to elaborate competition between candidate actions. We will explain why this is particularly useful for the exploration of new responses.