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Backwards is the way forward: Feedback in the cortical hierarchy predicts the expected future

  • Lars Muckli (a1), Lucy S. Petro (a1) and Fraser W. Smith (a1)


Clark offers a powerful description of the brain as a prediction machine, which offers progress on two distinct levels. First, on an abstract conceptual level, it provides a unifying framework for perception, action, and cognition (including subdivisions such as attention, expectation, and imagination). Second, hierarchical prediction offers progress on a concrete descriptive level for testing and constraining conceptual elements and mechanisms of predictive coding models (estimation of predictions, prediction errors, and internal models).



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