December 2010
Volume 10, Issue 15
Free
OSA Fall Vision Meeting Abstract  |   December 2010
Color categories in infancy
Author Affiliations
  • Anna Franklin
    Surrey Babylab, Department Psychology, University of Surrey, England, UK
Journal of Vision December 2010, Vol.10, 27. doi:10.1167/10.15.27
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      Anna Franklin; Color categories in infancy. Journal of Vision 2010;10(15):27. doi: 10.1167/10.15.27.

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Abstract

Although the spectrum of color is continuous, there is converging evidence that adults respond categorically to color on a range of perceptual and cognitive tasks. The origin and nature of this categorical response has been extensively debated, with one issue being the extent to which it is dependent on color language. There is converging evidence for the contribution of language (e.g., Gilbert, Regier, Kay, & Ivry, 2005; Siok et al., 2009). However, there is also evidence from a series of infant studies, for a categorical response to color even before color language has been learnt (e.g., Bornstein, Kessen, & Weiskopf, 1976; Franklin & Davies, 2004; Franklin, Pilling, & Davies, 2005; Franklin, Drivonikou, Clifford, Kay, Regier, & Davies, 2008; Clifford, Franklin, Davies, & Holmes, 2009). These infant studies find markers of categorical responding to color using both behavioral and electrophysiological measures. For example, analysis of Event-Related Potentials (ERP) on a chromatic visual oddball task indicates that at 7-months, an infrequently presented color will elicit greater attentional allocation (a larger ‘Nc’ ERP component) than a frequently presented color when frequent and infrequent colors are from different categories, but not when they are from the same category (Clifford et al., 2009). Here, the converging evidence for infant color categories is reviewed and discussed. In particular, the discussion focuses on: i) potential origins and underlying mechanisms of infant color categories, and ii) the relationship between infant color categories and the lexical partition of color space.

Acknowledgments
Supported by ESRC Grants: RES-000-22-2861, PTA-026-27-0110, R42200124191. 
References
Clifford, A., Franklin, A., Davies, I. R. L, Holmes, A.(2009). Electrophysiological markers of color categories in the infant brain. Brain and Cognition, 71, 165–172. [CrossRef] [PubMed]
Franklin, A., Davies, I. R. L.(2004). New evidence for infant colour categories. British Journal of Developmental Psychology, 22, 349–377. [CrossRef]
Franklin, A., Drivonikou, G. V., Bevis, L., Davies, I. R. L., Kay, P., Regier, T.(2008). Categorical Perception of color is lateralized to the right hemisphere in infants, but to the left hemisphere in adults. Proceedings of the National Academy of Sciences, USA, 105, 3221–3225. [CrossRef]
Franklin, A., Pilling, M., Davies, I. R. L.(2005). The nature of infant colour categorisation: Evidence from eye-movements on a target detection task. Journal of Experimental Child Psychology, 91, 227–248. [CrossRef] [PubMed]
Gilbert, A. L., Regier, T., Kay, P., Ivry, R. B.(2005). Whorf hypothesis is supported in the right visual field but not the left. Proceedings of the National Academy of Sciences, USA, 103, 489–494. [CrossRef]
Siok, W. T., Kay, P., Wang, W. S. Y., Chan, A. H. D., Chen, L., Luke, K.-K. et al.(2009). Language regions of brain are operative in color perception. Proceedings of the National Academy of Sciences, 106, 8140–8145. [CrossRef]
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