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The Influence of Affect on Cognition01:29

The Influence of Affect on Cognition

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Positive affect significantly influences cognitive processes, including evaluation, memory, creativity, and social judgments. Compared to negative affect, positive emotional states promote more favorable interpretations of stimuli, cognitive flexibility, and heuristic processing. These effects highlight emotions' powerful role in shaping how individuals perceive, remember, and interact with the world.Influence on Evaluation and AttributionWhen individuals experience positive affect, they are...
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Updated: Feb 27, 2026

Evaluation of Hemisphere Lateralization with Bilateral Local Field Potential Recording in Secondary Motor Cortex of Mice
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积极影响增加了无周期性大脑活动.

Xiaolei Xu1, Xianyun Zhu1, Meiyun Jiang1

  • 1Shandong Provincial Key Laboratory of Brain Science and Mental Health, Faculty of Psychology, Shandong Normal University, No. 88 East Wenhua Road, Jinan, Shandong, 250014, China.

Psychological research
|February 26, 2026
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概括

情感价值影响大脑活动. 与中性或负面刺激相比,处理正面刺激会增加无周期性神经活动,特别是当情绪价值在试验中保持一致时.

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科学领域:

  • 认知神经科学 认知神经科学
  • 情感神经科学是一种神经科学.
  • 计算神经科学是一种神经科学.

背景情况:

  • 超控制,即平衡持久性和灵活性的能力,对于适应性行为至关重要.
  • 通过神经活动的无周期指数测量的皮质噪声,涉及到元控制.
  • 行为研究表明,影响和元控制之间存在联系,这促使人们对它们的神经支进行调查.

研究的目的:

  • 调查情感价值是否会系统地改变无周期性神经活动.
  • 检查在认知任务期间处理情感面部表情和无周期指数之间的关系.

主要方法:

  • 使用无周期指数对无周期神经活动的分析.
  • 参与者执行了一项双背任务,包括呈现负面,中性和积极的面部表情.
  • 分析了来自两个独立数据集的数据,特别关注阻断的价值条件.

主要成果:

  • 与中性和负面面孔相比,积极的面部表情的全脑无周期性活动显着更高.
  • 这种效应特别观察到当情感价值被阻止时 (在连续的试验中一致).
  • 在非周期性活动中观察到的差异是广泛的,包括额头,头顶,部和部区域.

结论:

  • 无周期性神经活动是由情感价值调节的.
  • 与中性或负面刺激相比,处理积极刺激会导致无周期性活动的增加.
  • 这些发现突出了影响力和神经动态之间的相互作用,这些动态是认知控制的基础.