Chaos Causes Perspective Reversals for Ambiguious Patterns

A new chaotic mechanism is found to cause perspective reversal for ambiguious patterns. And the new senario to cause perspective reversal is proposed with use of chaos, by reexamining the psychological parameters of schema. The psychological parameters are incorporated into a PDP schema model proposed by Rumelhart et al., and a simple one-dimensional map is derived in a mean-field approximation. The numerical experiments for a one-dimensional logistic map are performed, and the results are compared with new psychological experiments of perspective reversals for a Necker cube by 96 students. It is shown that these are qualitatively good agreement with each other. This gives a concrete example of the role of chaos in cognitive science.

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