Is there something out there?: Inferring space from sensorimotor dependencies

  • Authors:
  • D. Philipona;J. K. O'Regan;J.-P. Nadal

  • Affiliations:
  • Sony CSL, 75005 Paris, France;Laboratoire de Psychologie Expérimentale, CNRS, Université René Descartes, 92774 Boulogne-Billancourt Cedex, France;Laboratoire de Physique Statistique, Ecole Normale Supériure, 75231 Paris Cedex 05, France

  • Venue:
  • Neural Computation
  • Year:
  • 2003

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Abstract

This letter suggests that in biological organisms, the perceived structure of reality, in particular the notions of body, environment, space, object, and attribute, could be a consequence of an effort on the part of brains to account for the dependency between their inputs and their outputs in terms of a small number of parameters. To validate this idea, a procedure is demonstrated whereby the brain of a (simulated) organism with arbitrary input and output connectivity can deduce the dimensionality of the rigid group of the space underlying its input-output relationship, that is, the dimension of what the organism will call physical space.