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Perception versus action: The computations may be the same but the direction of fit differs

  • Nicholas Shea (a1)
Abstract

Although predictive coding may offer a computational principle that unifies perception and action, states with different directions of fit are involved (with indicative and imperative contents, respectively). Predictive states are adjusted to fit the world in the course of perception, but in the case of action, the corresponding states act as a fixed target towards which the agent adjusts the world. This well-recognised distinction helps side-step some problems discussed in the target article.

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References
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Eliasmith, C. (2007) How to build a brain: From function to implementation. Synthese 159(3):373–88.
Hurley, S. (1998) Consciousness in action. Harvard University Press.
Todorov, E. (2004) Optimality principles in sensorimotor control. Nature Neuroscience 7(9):907–15.
Todorov, E. (2006) Optimal control theory. In: Bayesian brain, ed. Doya, K., pp. 269–98. MIT Press.
Todorov, E. & Jordan, M. I. (2002) Optimal feedback control as a theory of motor coordination. Nature Neuroscience 5(11):1226–35.
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Behavioral and Brain Sciences
  • ISSN: 0140-525X
  • EISSN: 1469-1825
  • URL: /core/journals/behavioral-and-brain-sciences
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