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EXPRESS: Spatial-numerical associations from a novel paradigm support the Mental Number Line account
Quarterly Journal of Experimental Psychology ( IF 1.7 ) Pub Date : 2021-03-24 , DOI: 10.1177/17470218211008733
Lauren S Aulet 1 , Sami R Yousif 2 , Stella F Lourenco 1
Affiliation  

Multiple tasks have been used to demonstrate the relation between numbers and space. The classic interpretation of these directional spatial-numerical associations (d-SNAs) is that they are the product of a mental number line (MNL), in which numerical magnitude is intrinsically associated with spatial position. The alternative account is that d-SNAs reflect task demands, such as explicit numerical judgments and/or categorical responses. In the novel ‘Where was The Number?’ task, no explicit numerical judgments were made. Participants were simply required to reproduce the location of a numeral within a rectangular space. Using a between-subject design, we found that numbers, but not letters, biased participants’ responses along the horizontal dimension, such that larger numbers were placed more rightward than smaller numbers, even when participants completed a concurrent verbal working memory task. These findings are consistent with the MNL account, such that numbers specifically are inherently left-to-right oriented in Western participants.



中文翻译:

EXPRESS:来自新范式的空间数字关联支持心理数轴帐户

已使用多个任务来演示数字与空间之间的关系。这些定向空间数字关联 (d-SNA) 的经典解释是它们是心理数轴 (MNL) 的产物,其中数值大小与空间位置具有内在关联。另一种说法是 d-SNA 反映了任务需求,例如明确的数字判断和/或分类响应。在小说“数字在哪里?”中 任务,没有作出明确的数字判断。参与者只需要在矩形空间内重现数字的位置。使用被试间设计,我们发现数字,而不是字母,会在水平维度上偏向参与者的反应,因此较大的数字比较小的数字更靠右,即使参与者完成了并发的语言工作记忆任务。这些发现与 MNL 的说法一致,因此西方参与者的数字本质上是从左到右的。

更新日期:2021-03-24
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