About the interplay between internal and external spatial codes in the mind: implications for serial order,Annals of the New York Academy of Sciences

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About the interplay between internal and external spatial codes in the mind: implications for serial order
Annals of the New York Academy of Sciences ( IF 4.1 ) Pub Date : 2020-04-20 , DOI: 10.1111/nyas.14341
Alessandro Guida ₁ , Elger Abrahamse ₂ , Jean-Philippe van Dijck _{3,

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Affiliation

Previous studies have shown that serial order in verbal working memory is spontaneously coded along the horizontal axis (i.e., the spatial positional association response codes (SPoARC) effect), with the initial items being associated with left and the last items being associated with right. These studies have led to the idea that when the cognitive system is confronted with a sequence of items processed verbally and semantically, it internally generates a spatial coordinate frame onto which memoranda can be bound to maintain their serial information. In this study, the interplay between internal and external spatial codes in the mind was investigated by testing the flexibility of the SPoARC effect. A verbal Sternberg probe detection task was used in which the displayed direction of the items during encoding (centrally, from left‐to‐right and from right‐to‐left) and the presentation rate (1‐ and 5‐s/item) were manipulated. SPoARC effects were found in all conditions but were reversed in the right‐to‐left presentation condition. Follow‐up analyses revealed no evidence of any spatial cost for the reversal; moreover, it was not influenced by the presentation rates. These findings suggest that space can be flexibly recruited for the spontaneous coding of serial order. The theoretical implications of these observations are discussed.

中文翻译：

关于头脑中内部和外部空间代码之间的相互作用：对序列秩序的影响

先前的研究表明，言语工作记忆中的序列顺序是沿着水平轴自发地编码的（即空间位置关联反应代码（SPoARC）效应），初始项目与左侧相关联，最后一个项目与右侧相关联。这些研究导致了这样一种想法：当认知系统面对一系列口头和语义处理的项目时，它会在内部生成一个空间坐标系，备忘录可以绑定到该坐标系上以维护其序列信息。在这项研究中，通过测试 SPoARC 效应的灵活性来研究大脑中内部和外部空间代码之间的相互作用。使用了口头 Sternberg 探针检测任务，其中编码期间项目的显示方向（集中，从左到右和从右到左）和呈现率（1 秒和 5 秒/项目）。在所有条件下都发现了 SPoARC 效应，但在从右到左的呈现条件下被逆转。后续分析显示没有证据表明逆转有任何空间成本；此外，它不受列报率的影响。这些发现表明，可以灵活地招募空间来对序列顺序进行自发编码。讨论了这些观察结果的理论意义。这些发现表明，可以灵活地招募空间来对序列顺序进行自发编码。讨论了这些观察结果的理论意义。这些发现表明，可以灵活地招募空间来对序列顺序进行自发编码。讨论了这些观察结果的理论意义。

更新日期：2020-04-20

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