The Account of the Effect of Switch Probability on Switch and Mixing Costs: An ERP Study in a Cued Task-switching Paradigm.

IF 1.3 4区医学 Q4 BEHAVIORAL SCIENCES

Cognitive and Behavioral Neurology Pub Date : 2022-12-01 DOI:10.1097/WNN.0000000000000317

Cheng Wenwen, Yan Yang, Liyan Cui, Ying Chen, Weiguo Zhang, Xiong Zhang, Shu Zhou

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Abstract

Background: Whether the effect of switch probability on switch and mixing costs is explained by an activation or preparation account is unclear.

Objective: To investigate the account of the effect of switch probability on switch and mixing costs.

Method: We used a cued task-switching paradigm with three switch probabilities (high, 75%; medium, 50%; and low, 25%) with 19 healthy young adults and recorded the cue- and target-locked event-related potentials (ERPs) and behavioral performance. The task included switch and stay trials under high, medium, and low switch conditions, as well as pure trials.

Results: There was no significant difference in reaction time (RT) in switch and mixing costs between the high and medium switch conditions. The RT in switch and mixing costs in the high and medium switch conditions was significantly less and more than in the low switch condition, respectively. The cue-locked ERPs revealed significant effects on mixing costs (stay - pure) that were cue early frontal positivity (260-300 ms) in the high and medium switch conditions, and on switch costs (switch - stay) that were cue early central positivity (240-260 ms) in the low switch condition. Moreover, the target-locked ERPs of the mixing costs revealed significant effects on mixing costs that were target P3b (440-540 ms) in all three switch conditions, and on switch costs that were target P3b in the medium and low switch conditions.

Conclusion: The effect of switch probability on switch and mixing costs is explained by the activation account.

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转换概率对转换和混合成本的影响：线索任务转换范式下的ERP研究。

背景：转换概率对转换和混合成本的影响是否可以通过激活或准备账户来解释尚不清楚。目的：探讨转换概率对转换成本和混合成本的影响。方法：我们对19名健康年轻人使用了三种切换概率（高，75%；中，50%；低，25%）的提示任务切换范式，并记录了提示和目标锁定事件相关电位（ERPs）和行为表现。该任务包括在高、中、低切换条件下的切换和停留试验，以及纯试验。结果：在高切换条件和中等切换条件下，切换反应时间（RT）和混合成本没有显著差异。高切换条件和中等切换条件下的RT切换和混合成本分别显著低于和高于低切换条件下。线索锁定的ERPs对混合成本（保持纯净）有显著影响，在高和中等切换条件下，混合成本是线索早期额叶阳性（260-300ms），对切换成本（切换-保持）有显著作用，在低切换条件下是线索早期中枢阳性（240-260ms）。此外，混合成本的目标锁定ERP显示出对在所有三种切换条件下为目标P3b（440-540ms）的混合成本以及对在中切换条件和低切换条件下的目标P3b的切换成本的显著影响。结论：转换概率对转换和混合成本的影响可以用激活账户来解释。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Cognitive and Behavioral Neurology 医学-行为科学

CiteScore

2.40

自引率

7.10%

发文量

审稿时长

>12 weeks

期刊介绍： Cognitive and Behavioral Neurology (CBN) is a forum for advances in the neurologic understanding and possible treatment of human disorders that affect thinking, learning, memory, communication, and behavior. As an incubator for innovations in these fields, CBN helps transform theory into practice. The journal serves clinical research, patient care, education, and professional advancement. The journal welcomes contributions from neurology, cognitive neuroscience, neuropsychology, neuropsychiatry, and other relevant fields. The editors particularly encourage review articles (including reviews of clinical practice), experimental and observational case reports, instructional articles for interested students and professionals in other fields, and innovative articles that do not fit neatly into any category. Also welcome are therapeutic trials and other experimental and observational studies, brief reports, first-person accounts of neurologic experiences, position papers, hypotheses, opinion papers, commentaries, historical perspectives, and book reviews.