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Journal Article

Differences between digit naming and number word reading in a flanker task

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Ischebeck, A. (2003). Differences between digit naming and number word reading in a flanker task. Memory and Cognition, 31(4), 529-537.

Cite as: http://hdl.handle.net/11858/00-001M-0000-0010-AB43-E
Numbers can be represented as number words or as digits, but are the two notations processed differently? Two experiments in which a flanker paradigm with a naming task was used were conducted, with digits and number words as targets and flankers. Reaction times were shortest when the flanker denoted the same numerical value as the target. The numerical distance between the target and a numerically different flanker modulated reaction times in all conditions, except for number word targets with digit flankers. The direction of this effect--targets were named faster when the flanker was numerically close than when it was far--indicates that the numerical magnitude representations of numbers are associatively connected. When the target and the flanker were presented in the same format, no difference was observed in the distance effects for the two formats. This indicates that number words activate the abstract representation of their numerical value in a way that is very similar to that for digits.