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Should models be informed by normative theories like Bayesian or decision theory?

Decision theoretical approaches have been used successfully to explain both behavior and neural activities in sensorimotor tasks.

Neural responses in parietal cortex have been suggested to reflect expected reward.

Sensorimotor processing may be interpreted as decision making. Therefore, it makes sense to look for representation of expected reward in neural activities.

Utility functions are used in economics to explain people's decisions. They can also be used to examine non-economic decisions, like decisions in sensorimotor control.

Statistical decision theory and Bayesian estimation are used in the cognitive sciences to describe performance in natural perception.