Role of arousal, subjective significance and valence of affect in task-switching effectiveness

IF 16.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY Accounts of Chemical Research Pub Date : 2023-04-26 DOI:10.1017/langcog.2023.6

K. Imbir, Maciej Pastwa, Adrianna Wielgopolan, Aleksandra Modzelewska, Adam Sobieszek

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Abstract

Switching between two concurrent tasks is an important ability of the mind. In a series of two experiments, we explored the role of activation (arousal and subjective significance) and emotional valence in shaping the effectiveness of switching between two cognitive tasks: gender-marking and emotional categorisations of verbal stimuli. We expected arousal to disrupt and subjective significance to boost the effectiveness of cognitive switching. We employed a paradigm that allowed us to present emotional words and measure the reaction latencies when a task given to the participants was switched; thus, the response was more costly than when continuing to respond to the same task. The first experiment, conducted with neutral words, showed that high subjective significance reduced reaction latencies in comparison with medium subjective significance. The second experiment showed a similar pattern only for neutral stimuli in the emotional categorisation task, but not for negative and positive stimuli. We did not find a clear effect of arousal or valence. The results of our studies suggest that subjective significance is independent of arousal in enhancing the cognitive control resources.

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唤醒、主观意义和情感效价在任务转换有效性中的作用

在两个同时进行的任务之间切换是大脑的一项重要能力。在一系列的两个实验中，我们探讨了激活(唤醒和主观意义)和情感效价在塑造语言刺激的性别标记和情感分类这两个认知任务之间转换的有效性中的作用。我们期望唤醒干扰和主观意义提高认知转换的有效性。我们采用了一种范式，允许我们呈现情感词汇，并测量参与者在任务切换时的反应延迟;因此，响应的成本比继续响应相同的任务时要高。第一个实验是用中性词语进行的，结果表明高主观显著性比中等主观显著性降低了反应潜伏期。第二个实验显示，在情绪分类任务中，只有中性刺激出现了类似的模式，而消极和积极刺激则没有出现类似的模式。我们没有发现觉醒或效价的明显影响。我们的研究结果表明，在增强认知控制资源方面，主观意义是独立于觉醒的。

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

Accounts of Chemical Research 化学-化学综合

CiteScore

31.40

自引率

1.10%

发文量

312

审稿时长

2 months

期刊介绍： Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.