The role of color diagnosticity in object recognition and representation |
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Authors: | David J Therriault Richard H Yaxley Rolf A Zwaan |
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Institution: | (1) Department of Educational Psychology, University of Florida, Gainesville, FL 32611-7047, USA;(2) Duke University Medical Center, Durham, NC, USA;(3) Erasmus University, Rotterdam, The Netherlands |
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Abstract: | The role of color diagnosticity in object recognition and representation was assessed in three Experiments. In Experiment
1a, participants named pictured objects that were strongly associated with a particular color (e.g., pumpkin and orange).
Stimuli were presented in a congruent color, incongruent color, or grayscale. Results indicated that congruent color facilitated
naming time, incongruent color impeded naming time, and naming times for grayscale items were situated between the congruent
and incongruent conditions. Experiment 1b replicated Experiment 1a using a verification task. Experiment 2 employed a picture
rebus paradigm in which participants read sentences one word at a time that included pictures of color diagnostic objects
(i.e., pictures were substituted for critical nouns). Results indicated that the “reading” times of these pictures mirrored
the pattern found in Experiment 1. In Experiment 3, an attempt was made to override color diagnosticity using linguistic context
(e.g., a pumpkin was described as painted green). Linguistic context did not override color diagnosticity. Collectively, the
results demonstrate that color information is regularly utilized in object recognition and representation for highly color
diagnostic items. |
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