Predictive Processing: Exploring Multivalent Variables
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2017-07-04
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en
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Abstract
Our research extends the causal Bayesian network implementation of
the Predictive Processing Theory to account for multivalent variables. We
also propose a framework for solving the exploration-exploitation trade-o in the Bayesian Predictive Processing implementation. Here we use a
Q-Learning approach with Dirichlet distributions as hyperpriors and the
free-energy principle as a base for learning. The latter links the proposed
methods to neural mechanisms in the brain which have been linked to
the exploration/exploitation trade-o . We tested our methods via behavioural studies where a robot had to learn an environment from scratch
to navigate to a light source.
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Faculteit der Sociale Wetenschappen