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Type: Conference paper
Title: Is categorical perception really verbally mediated perception?
Author: Hendrickson, A.T.
Kachergis, G.
Gureckis, T.M.
Goldstone, R.L.
Citation: Proceedings of the 32nd Annual Conference of the Cognitive Science Society, 2010 / pp.1216-1221
Publisher: Cognitive Science Society
Issue Date: 2010
Conference Name: 32nd Annual Conference of the Cognitive Science Society (11 Aug 2010 - 14 Aug 2010 : Portland, Oregon)
Statement of
Andrew T. Hendrickson, George Kachergis, Todd M. Gureckis, Robert L. Goldstone
Abstract: Recent research has argued that categorization is strongly tied to language processing. For example, language (in the form of verbal category labels) has been shown to influence perceptual discriminations of color (Winawer et al., 2007). However, does this imply that categorical perception is essentially verbally mediated perception? The present study extends recent findings in our lab showing that categorical perception can occur even in the absence of overt labels. In particular, we evaluate the degree to which certain interference tasks (verbal, spatial) reduce the effect of learned categorical perception for complex visual stimuli (faces). Contrary to previous findings, our results show that a verbal interference task does not disrupt learned categorical perception effects for faces. Our results are interpreted in light of the ongoing debate about the role of language in categorization. In particular, we suggest that at least a sub-set of categorical perception effects may be effectively “language-free”.
Keywords: Perceptual Learning; Categorization; Concept Learning; Language
Rights: Copyright status unknown
RMID: 0030051864
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Appears in Collections:Psychology publications

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