The Impact of Perceptual/Concurrent and Mnemonic Digits on Temporal Processing: A Congruency Effect of Numerical Magnitudes.
The Impact of Perceptual/Concurrent and Mnemonic Digits on Temporal Processing: A Congruency Effect of Numerical Magnitudes.
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感知/并发和助记数字对时间处理的影响：数值大小的一致性效应
DOI：
10.3389/fpsyg.2016.02014
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发表时间：
2016
影响因子：
3.8
通讯作者：
Cheng X
中科院分区：
文献类型：
--
作者：
Fan Z;Jing G;Ding X;Cheng X
与任务无关的刺激数字可以自动调节并发时间任务，导致数字-时间联想（NTA）现象。最近的研究提供了一致的证据表明，NTA发生在时间记忆的阶段。具体地，包含编码持续时间信息的参考存储器可以由感知/并发数字修改，即，一个感知/并发数字诱发的NTA在这里，我们通过五个实验，研究了是否有另一个工作记忆（WM）相关的机制参与了NTA的产生，以及这种记忆诱导的NTA与知觉诱导的NTA之间的关系。我们首先探讨了是否存在类似的NTA效应的记忆数字，消失前的时间编码，但积极维持在WM，即，一个记忆数字诱导的NTA实验1-3证明了两种类型的NTA。此外，我们揭示了两种类型的NTA在两个上下文中的密切关系。首先，数字记忆诱导的NTA也依赖于时间编码时的感知数字-时间共现。我们发现，记忆数字影响随后的时间处理时，任务无关的常量数字“5”在目标编码，但不是当一个非数字符号，这表明在参考记忆中的时间表征可以访问和修改的感官和postsensory通过这个数字时间同现的数值幅度。第二，知觉和记忆数字对时间再现的影响可以相互抵消。实验4和实验5证明了知觉和记忆数字（依赖于记忆要求）的一致性效应。具体来说，一个典型的NTA观察时，记忆和感知/并发数字的大小是一致的（都是大或小的数字），但不是当他们不一致（一个小，一个大的数字）。总之，我们的研究为NTA的作用机制提供了新的思路。
Task-irrelevant stimulus numbers can automatically modulate concurrent temporal tasks——leading to the phenomenon of number-time association (NTA). Recent research provides converging evidence that the NTA occurs at the stage of temporal memory. Specifically, a reference memory containing encoded duration information can be modified by perceptual/concurrent digits, i.e., a perceptual/concurrent digit-induced NTA. Here, with five experiments, we investigated whether another working memory (WM)-related mechanism was involved in the generation of NTAs and how this memory-induced NTA was related with the perception-induced NTA. We first explored whether similar NTA effects existed for mnemonic digits which disappeared before time encoding but were actively maintained in WM, i.e., a mnemonic digit-induced NTA. Experiments 1–3 demonstrated both types of NTAs. Further, we revealed a close relationship between the two types of NTAs in two contexts. First, the mnemonic digit-induced NTA also relied on a perceptual number-time co-occurrence at time encoding. We found that the mnemonic digits influenced subsequent temporal processing when a task-irrelevant constant number ‘5’ was presented during target encoding, but not when a non-numerical symbol was presented, suggesting that temporal representations in the reference memory could be accessed and modified by both sensory and postsensory numerical magnitudes through this number-time co-occurrence. Second, the effects of perceptual and mnemonic digits on temporal reproduction could cancel each other out. A congruency effect for perceptual and mnemonic digits (relying on memorization requirement) was demonstrated in Experiments 4 and 5. Specifically, a typical NTA was observed when the magnitudes of memorized and the perceptual/concurrent digits were congruent (both were large or small numbers), but not when they were incongruent (one small and one large numbers). Taken together, our study sheds new light on the mechanism of NTA.
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DOI：
10.1037/a0025637
发表时间：
2011-12-01
影响因子：
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作者：
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1993-05-01
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影响因子：
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