Influence of different spatial representations on the SNARC effect for letters: Electrophysiological evidence.

IF 1.5 3区心理学 Q4 PHYSIOLOGY

Quarterly Journal of Experimental Psychology Pub Date : 2023-11-01 Epub Date: 2023-04-27 DOI:10.1177/17470218231167056

Jie Shen, Hua He, Bin Wu, Jiaxian Zhou

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引用次数: 0

Abstract

Studies have previously demonstrated that different spatial representations may affect the spatial-numerical association of response codes (SNARC) effect for numbers; however, limited studies have assessed the SNARC effect for letters. In this study, event-related potentials (ERPs) were used to measure the influence of two spatial representation modes (ruler and clock) on the SNARC effect. The ruler produced a SNARC-like effect; i.e., the left hand reacted faster than the right to the letters that appeared before N in the alphabet; the right hand reacted faster than the left to the letters that appeared after N, whereas the clock produced a reverse SNARC effect. In addition, the ERP data showed that the SNARC-like effect for letters in both representations induced significant activation in the frontal and parietal regions, indicating that the same brain areas are involved in processing letters and numbers in terms of spatial dimensions. This study further identified the conditions for the SNARC effect and proved that the SNARC effect is attributed to the simultaneous participation of brain regions for sequence and spatial information processing.

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不同空间表征对字母SNARC效应的影响：电生理学证据。

先前的研究表明，不同的空间表示可能会影响数字的响应码空间数值关联（SNARC）效应；然而，有限的研究评估了SNARC对信件的影响。在本研究中，使用事件相关电位（ERPs）来测量两种空间表示模式（标尺和时钟）对SNARC效应的影响。统治者产生了类似SNARC的效果；即左手对字母表中N之前出现的字母的反应比右手快；右手对N之后出现的字母的反应比左手快，而时钟产生了相反的SNARC效应。此外，ERP数据显示，两种表征中字母的SNARC样效应都诱导了额叶和顶叶区域的显著激活，表明在空间维度上，相同的大脑区域参与处理字母和数字。该研究进一步确定了SNARC效应的条件，并证明SNARC效应归因于大脑区域同时参与序列和空间信息处理。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Quarterly Journal of Experimental Psychology 医学-生理学

CiteScore

3.50

自引率

5.90%

发文量

178

审稿时长

3-8 weeks

期刊介绍： Promoting the interests of scientific psychology and its researchers, QJEP, the journal of the Experimental Psychology Society, is a leading journal with a long-standing tradition of publishing cutting-edge research. Several articles have become classic papers in the fields of attention, perception, learning, memory, language, and reasoning. The journal publishes original articles on any topic within the field of experimental psychology (including comparative research). These include substantial experimental reports, review papers, rapid communications (reporting novel techniques or ground breaking results), comments (on articles previously published in QJEP or on issues of general interest to experimental psychologists), and book reviews. Experimental results are welcomed from all relevant techniques, including behavioural testing, brain imaging and computational modelling. QJEP offers a competitive publication time-scale. Accepted Rapid Communications have priority in the publication cycle and usually appear in print within three months. We aim to publish all accepted (but uncorrected) articles online within seven days. Our Latest Articles page offers immediate publication of articles upon reaching their final form. The journal offers an open access option called Open Select, enabling authors to meet funder requirements to make their article free to read online for all in perpetuity. Authors also benefit from a broad and diverse subscription base that delivers the journal contents to a world-wide readership. Together these features ensure that the journal offers authors the opportunity to raise the visibility of their work to a global audience.