期刊
COGNITION
卷 105, 期 2, 页码 380-394出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.cognition.2006.10.004
关键词
priming; distance effect; number representation
Number processing is characterized by the distance and the size effect, but symbolic numbers exhibit smaller effects than non-symbolic numerosities. The difference between symbolic and non-symbolic processing can either be explained by a different kind of underlying representation or by parametric differences within the same type of underlying representation. We performed a primed naming study to investigate this issue. Prime and target format were manipulated (digits or collections of dots) as well as the numerical distance between prime and target value. Qualitatively different priming patterns were observed for the two formats, showing that the underlying representations differed in kind: Digits activated mental number representations of the place coding type, while collections of dots activated number representations of the summation coding type. (C) 2006 Elsevier B.V. All rights reserved.
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