Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/58420
Type: Conference paper
Title: Learning time-varying categories
Author: Navarro, D.
Perfors, A.
Citation: Proceedings of the 31st Annual Conference of the Cognitive Science Society (COGSCI 2009): pp.419-424
Publisher: Cognitive Science Society
Publisher Place: Netherlands
Issue Date: 2009
ISBN: 9780976831853
Conference Name: Annual Conference of the Cognitive Science Society (31st : 2009 : Amsterdam, The Netherlands)
Statement of
Responsibility: 
Daniel Navarro and Amy Perfors
Abstract: Many kinds of objects and events in our world have a strong time-dependent quality. However, most theories about concepts and categories are either insensitive to variation over time, or treat it as a nuisance factor that produces irrational order effects during learning. In this paper, we present a category learning experiment that explores people's ability to learn categories whose structure is strongly time dependent. In light of the results, we suggest that order effects in categorization may in part reflect a sensitivity to non-stationary environments, and that understanding dynamically changing concepts are an important part of developing a full account of human categorization.
Keywords: categorization; change detection; concepts; dynamics; time dependence; order effects
Rights: © the authors
RMID: 0020097164
Appears in Collections:Psychology publications

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