Cross-Format Integration of Auditory Number Words and Visual-Arabic Digits: An ERP Study.

Cross-Format Integration of Auditory Number Words and Visual-Arabic Digits: An ERP Study.
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DOI:
10.3389/fpsyg.2021.765709
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发表时间:
2021
影响因子:
3.8
通讯作者:
Landerl K
Landerl K
中科院分区:
心理学3区
文献类型:
--
作者:
Finke S;Kemény F;Clayton FJ;Banfi C;Steiner AF;Perchtold-Stefan CM;Papousek I;Göbel SM;Landerl K

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将视觉阿拉伯数字转换为听觉数字单词,反之亦然,对成年人来说似乎毫不费力。然而,目前尚不清楚这一过程是否自动发生,以及在这一过程中是否需要访问潜在的震级表示。在两个事件相关电位(ERP)实验中,成年人被呈现相同的(例如,“一个”和1)或不相同(例如,“一”和9)数字对,或者是单峰(两个视觉阿拉伯数字)或者是交叉格式(一个听觉数字词和一个视觉阿拉伯数字)。在实验1(N=17)中,主动任务要求需要数字判断,而这不是在实验2(N=19)的情况下。我们发现显着的早期ERP标记的数字身份单峰在这两个实验。然而,在交叉格式条件下,我们只观察到后期神经相关的身份,只有当任务需要语义数字处理(实验1)。这些研究结果表明,单峰对数字自动集成,而数字信息的跨格式集成发生得更慢,涉及语义访问。
Converting visual-Arabic digits to auditory number words and vice versa is seemingly effortless for adults. However, it is still unclear whether this process takes place automatically and whether accessing the underlying magnitude representation is necessary during this process. In two event-related potential (ERP) experiments, adults were presented with identical (e.g., “one” and 1) or non-identical (e.g., “one” and 9) number pairs, either unimodally (two visual-Arabic digits) or cross-format (an auditory number word and a visual-Arabic digit). In Experiment 1 (N=17), active task demands required numerical judgments, whereas this was not the case in Experiment 2 (N=19). We found pronounced early ERP markers of numerical identity unimodally in both experiments. In the cross-format conditions, however, we only observed late neural correlates of identity and only if the task required semantic number processing (Experiment 1). These findings suggest that unimodal pairs of digits are automatically integrated, whereas cross-format integration of numerical information occurs more slowly and involves semantic access.
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