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Encoding numbers: Behavioral evidence for processing-specific representations

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Published in Memory and Cognition. 2006, vol. 34, no. 4, p. 938-948
Abstract The aim of this study was to test the hypothesis of a complex encoding of numbers according to which each numerical processing requires a specific representational format for input. In three experiments, adult participants were given two numbers presented successively on screen through a self-presentation procedure after being asked to add, to subtract, or to compare them. We considered the self-presentation time of the first number as reflecting the complexity of the encoding for a given planned processing. In line with Dehaene's triple-code model, self-presentation times were longer for additions and subtractions than for comparisons with two-digit numbers but longer for subtractions than for additions and comparisons with one-digit numbers. The implications of these results for different theories of number processing are discussed.
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Research group Psychologie du développement cognitif (DeCoPsy)
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THEVENOT, Catherine, BARROUILLET, Pierre Noël. Encoding numbers: Behavioral evidence for processing-specific representations. In: Memory and Cognition, 2006, vol. 34, n° 4, p. 938-948. https://archive-ouverte.unige.ch/unige:4018

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Deposited on : 2009-11-10

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