Categorical Perception + Linear Learning = Shared Culture

author: Mark Liberman, University of Pennsylvania
published: Feb. 25, 2007,   recorded: May 2005,   views: 3510

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In a group of entities who learn by observing one another's behavior, some simple assumptions about the nature of perception, the nature of individual beliefs, and the nature of learning lead naturally to collective convergence on a random set of shared beliefs, without any structure of authority or any explicit collective decision process. This process will be exemplified in the case of a simple model for developing word pronunciations.

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