阿拉伯数字
任务(项目管理)
身份(音乐)
阿拉伯语
词(群论)
过程(计算)
数字
代表(政治)
语音识别
计算机科学
心理学
自然语言处理
算术
人工智能
语言学
数学
政治学
声学
法学
管理
经济
哲学
物理
操作系统
政治
作者
Sabrina Finke,Ferenc Kemény,Francina Jane Clayton,Chiara Banfi,Anna Steiner,Corinna M. Perchtold‐Stefan,Ilona Papousek,Silke M. Göbel,Karin Landerl
标识
DOI:10.3389/fpsyg.2021.765709
摘要
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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