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Perceptual ExpertiseBridging Brain and Behavior$
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Isabel Gauthier, Michael Tarr, and Daniel Bub

Print publication date: 2009

Print ISBN-13: 9780195309607

Published to Oxford Scholarship Online: February 2010

DOI: 10.1093/acprof:oso/9780195309607.001.0001

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Modeling Perceptual Expertise

Modeling Perceptual Expertise

(p.197) 7 Modeling Perceptual Expertise
Perceptual Expertise

Thomas J. Palmeri

Garrison W. Cottrell

Oxford University Press

Formalizing a verbal theory in a model forces explicit consideration about all components of the theory, allowing those theories to be rigorously evaluated and potentially falsified. The challenge in developing a process model of perceptual expertise is that the empirical phenomena span many areas of perception and cognition. For example, a successful model of expertise has to account for differences between novices and experts in terms of automatic strategies, speed of perceptual decisions, level of categorization, patterns of interference, processing costs and generalization, and the timing of neural activity. If perceptual expertise is the end point of normal learning, the development of perceptual expertise can be explored using extant models of normal visual cognition. Indeed, a number of key expertise effects can be explained using models of normal object recognition and perceptual categorization without having to invoke qualitative changes.

Keywords:   modeling, process models, perceptual expertise, models of object recognition, models of perceptual categorization, models of face recognition

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