Invited paper: Comparison of brain models for active vs. passive perception

  • Authors:
  • Walter J. Freeman

  • Affiliations:
  • -

  • Venue:
  • Information Sciences: an International Journal
  • Year:
  • 1999

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Abstract

In a passive information processing system a stimulus input gives information, whichis transduced by receptors into trains of impulses that signify the features of an object. The symbols are processed according to rules for learning and association and are then bound into a representation, which is stored, retrieved and matched with new incoming representations. In active systems perception begins with the emergence of a goal that is implemented by the search for information. The only input accepted is that which is consistent with the goal and anticipated as a consequence of the searching actions. The key component to be modeled in brains provides the dynamics that constructs goals and the adaptive actions by which they are achieved.