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Task instructions modulate unit-decade binding in two-digit number representation

机译：任务说明在两位数字表示中调制单位十年绑定

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Previous studies have found decomposed processes, as well as holistic processes, in the representation of two-digit numbers. The present study investigated the influence of task instruction on such processes. Participants completed both magnitude and parity tasks in one of three instructional conditions, where they were asked to either consider two-digit numbers as a whole or to focus on one specific digit. In two experiments, we found that when participants were asked to consider the two digits as an integrated number, they always exhibited a unit-decade compatibility effect, indicating a failure of selective attention on the digit relevant to the given task. However, the mere presence of the neighboring digit is not a sufficient condition for the compatibility effect: when participants were explicitly asked to process a specific digit, their success/failure to selectively ignore the irrelevant digit depended on task requirements. Further, computer mouse tracking indicated that the locus of the compatibility effect was related to late response-related processing. The results signify the deep involvement of top-down processes in unit-decade binding for two-digit number representation.
机译：以前的研究发现了分解过程，以及整体过程，在两位数字的表示中。本研究调查了任务指令对这些过程的影响。参与者在三个教学条件之一中完成了两个级别和奇偶校验任务，其中他们被要求将两位数的数字视为整体或专注于一个特定数字。在两个实验中，我们发现当参与者被要求将这两位数字视为综合数字时，它们始终表现出单位十年的兼容性效果，表明对与给定任务相关的数字的选择性注意力失败。然而，相邻数字的存在不是兼容性效果的足够条件：当参与者被明确要求处理特定的数字时，他们的成功/未能选择性地忽略无关的数字取决于任务要求。此外，计算机鼠标跟踪表明兼容性效果的基因座与后期响应相关的处理有关。结果表示对两位数表示单位十年绑定中的自上而下进程的深度参与。

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