A working memory account for spatial-numerical associations

被引:323
作者
van Dijck, Jean-Philippe [1 ]
Fias, Wim [1 ]
机构
[1] Univ Ghent, B-9000 Ghent, Belgium
关键词
Numbers; Space; Working memory; Ordinal coding; SNARC; MENTAL NUMBER LINE; REPRESENTATIONAL SPACE; BRAIN-DAMAGE; SNARC; MAGNITUDE; NEGLECT; DISSOCIATIONS; INFORMATION; TASK;
D O I
10.1016/j.cognition.2010.12.013
中图分类号
B84 [心理学];
学科分类号
04 ; 0402 ;
摘要
Several psychophysical and neuropsychological investigations have suggested that the mental representation of numbers takes the form of a number line along which magnitude is positioned in ascending order according to our reading habits. A longstanding debate is whether this spatial frame is triggered automatically as intrinsic part of the number semantics or whether it constitutes a short-term representation constructed during task execution. Although several observations clearly favor the working memory account, its causal involvement has not yet been demonstrated. In two experiments we show that information stored in working memory get spatially coded in function of its ordinal position in the sequence and that the spatial-numerical associations typically observed in number categorization tasks draw upon this mechanism. (C) 2011 Elsevier B.V. All rights reserved.
引用
收藏
页码:114 / 119
页数:6
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