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Individuation, Identification and Object Discovery
Charles Kemp · Alan Jern · Fei Xu

Mon Dec 07 07:00 PM -- 11:59 PM (PST) @

Humans are typically able to infer how many objects their environment contains and to recognize when the same object is encountered twice. We present a simple statistical model that helps to explain these abilities and evaluate it in three behavioral experiments. Our first experiment suggests that humans rely on prior knowledge when deciding whether an object token has been previously encountered. Our second and third experiments suggest that humans can infer how many objects they have seen and can learn about categories and their properties even when they are uncertain about which tokens are instances of the same object.

Author Information

Charles Kemp (Carnegie Mellon University)
Alan Jern (Rose-Hulman Institute of Technology)
Fei Xu (University of California, Berkeley)

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