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Nature versus Nurture: The Simple Contrast
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Davidoff, Jules; Goldstein, Julie; Roberson, Debi – Journal of Experimental Child Psychology, 2009
We respond to the commentary of Franklin, Wright, and Davies ("Journal of Experimental Child Psychology, 102", 239-245 [2009]) by returning to the simple contrast between nature and nurture. We find no evidence from the toddler data that makes us revise our ideas that color categories are learned and never innate. (Contains 1 figure.)
Descriptors: Child Psychology, Nature Nurture Controversy, Toddlers, Color
Thresholds for Color Discrimination in English and Korean Speakers
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Roberson, Debi; Hanley, J. Richard; Pak, Hyensou – Cognition, 2009
Categorical perception (CP) is said to occur when a continuum of equally spaced physical changes is perceived as unequally spaced as a function of category membership (Harnad, S. (Ed.) (1987). Psychophysical and cognitive aspects of categorical perception: A critical overview. Cambridge: Cambridge University Press). A common suggestion is that CP…
Descriptors: Color, Classification, Visual Discrimination, Task Analysis
When Less Is More: Poor Discrimination but Good Colour Memory in Autism
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Heaton, Pamela; Ludlow, Amanda; Roberson, Debi – Research in Autism Spectrum Disorders, 2008
In two experiments children with autism and two groups of controls matched for either chronological or non-verbal mental age were tested on tasks of colour discrimination and memory. The results from experiment 1 showed significantly poorer colour discrimination in children with autism in comparison to typically developing chronological age…
Descriptors: Autism, Memory, Visual Discrimination, Color
Categorical Perception of Colour in the Left and Right Visual Field Is Verbally Mediated: Evidence from Korean
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Roberson, Debi; Pak, Hyensou; Hanley, J. Richard – Cognition, 2008
In this study we demonstrate that Korean (but not English) speakers show Categorical perception (CP) on a visual search task for a boundary between two Korean colour categories that is not marked in English. These effects were observed regardless of whether target items were presented to the left or right visual field. Because this boundary is…
Descriptors: Visual Perception, Color, Korean, Task Analysis
Learning in Context: Linguistic and Attentional Constraints on Children's Color Term Learning
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O'Hanlon, Catherine G.; Roberson, Debi – Journal of Experimental Child Psychology, 2006
Three experiments investigated whether linguistic and/or attentional constraints might account for preschoolers' difficulties when learning color terms. Task structure and demands were equated across experiments, and both speed and degree of learning were compared. In Experiment 1, 3-year-olds who were matched on vocabulary score were taught new…
Descriptors: Language Acquisition, Linguistics, Italian, Preschool Children
The Development of Color Categories in Two Languages: A Longitudinal Study
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Roberson, Debi; Davidoff, Jules; Davies, Ian R. L.; Shapiro, Laura R. – Journal of Experimental Psychology: General, 2004
This study unites investigations into the linguistic relativity of color categories with research on children's category acquisition. Naming, comprehension, and memory for colors were tracked in 2 populations over a 3-year period. Children from a seminomadic equatorial African culture, whose language contains 5 color terms, were compared with a…
Descriptors: Memory, Investigations, African Culture, Visual Environment