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相关概念视频

The Influence of Cognition on Affect01:29

The Influence of Cognition on Affect

176
Cognition plays a pivotal role in shaping emotional experiences, as demonstrated by Schachter and Singer’s two-factor theory of emotion. According to this model, emotion arises from a combination of physiological arousal and cognitive interpretation. The body’s physiological response to stimuli is ambiguous and only gains emotional significance through cognitive labeling. For instance, an increased heart rate and adrenaline surge while standing near an attractive person may be...
176
The Influence of Affect on Cognition01:29

The Influence of Affect on Cognition

250
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...
250
Working Memory01:24

Working Memory

774
Working memory refers to a combination of components, including short-term memory and attention, that allow an individual to hold information temporarily as we perform cognitive tasks. It is an essential cognitive function that enables the execution of complex tasks such as problem-solving, comprehension, and reasoning. Unlike short-term memory, which simply involves the storage of information for a brief period, working memory involves the active manipulation and processing of this...
774
Role of Cerebellum and Prefrontal Cortex in Memory01:14

Role of Cerebellum and Prefrontal Cortex in Memory

988
The cerebellum, while traditionally associated with motor control, also plays a crucial role in memory, particularly in procedural memory, which involves learning motor tasks that become automatic through repetition. For example, studies have shown that when the cerebellum is damaged, individuals or animals lose the ability to learn conditioned motor responses, such as the conditioned eye-blink response in classical conditioning experiments with rabbits. This study demonstrates the...
988

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相关实验视频

Updated: Jan 11, 2026

Event Related Potentials ERPs and other EEG Based Methods for Extracting Biomarkers of Brain Dysfunction: Examples from Pediatric Attention Deficit/Hyperactivity Disorder ADHD
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强烈的记忆预测错误增加了认知控制,注意力和兴奋.

Alice M Xue1,2, Jenna Jokhani1,2, Anthony M Norcia1,2

  • 1Stanford Department of Psychology.

bioRxiv : the preprint server for biology
|November 19, 2025
PubMed
概括

强烈记忆预测的违规会触发认知和神经反应. 这些适应机制,包括注意力和认知控制,增强了对意想不到信息的学习.

科学领域:

  • 认知神经科学 认知神经科学
  • 记忆研究 记忆研究
  • 人类电生理学 人类电生理学

背景情况:

  • 目前的经验是通过过去的事件来解释的.
  • 记忆预测错误 (MPE) 是海马体优先考虑编码而不是检索的信号.

研究的目的:

  • 调查海马体以外的MPE的认知和神经需求.
  • 检查预测强度如何影响这些需求.

主要方法:

  • 两项实验涉及101名年轻成年人.
  • 在关联记忆任务中记录了头皮脑电图 (EEG) 和瞳孔测量.

主要成果:

  • 强烈的MPE增加了认知控制 (正面的theta),注意力 (后面的alpha,瞳孔大小) 和兴奋 (瞳孔大小) 的生理标志物.
  • 在预测过程中,瞳孔相关的MPE反应与注意力 (后方α) 相相关.
  • 在强烈的MPE期间增强的认知控制 (额头) 改善了对意外刺激的学习.

结论:

  • 大脑和心灵适应地应对违反强大的记忆预测的情况.
  • MPE利用了更广泛的认知和神经资源,由预测强度调节.

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