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Model uncertainty in sensorimotor learning and decision-making


Braun,  D
Research Group Sensorimotor Learning and Decision-Making, Max Planck Institute for Biological Cybernetics, Max Planck Society;
Research Group Sensorimotor Learning and Decision-making, Max Planck Institute for Intelligent Systems, Max Planck Society;

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Braun, D. (2015). Model uncertainty in sensorimotor learning and decision-making. Talk presented at IROS 2015 2nd Workshop on The Role of Human Sensorimotor Control in Surgical Robotics. Hamburg, Germany.

Cite as: https://hdl.handle.net/11858/00-001M-0000-002A-440A-5
Recent advances in movement neuroscience suggest that sensorimotor control can be considered as a continuous decision-making process in complex environments in which uncertainty and task variability play a key role. Leading theories of motor control assume that the motor system learns probabilistic models and that motor behavior can be explained as the optimization of payoff or cost criteria under the expectation of these models. Here we discuss evidence that humans deviate from Bayes optimal behavior in their movements, because they are sensitive to model uncertainty. Furthermore, we discuss in how far model uncertainty can be incorporated in optimality models of sensorimotor behavior.