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相关概念视频

Lazarus's Cognitive Appraisal Theory01:20

Lazarus's Cognitive Appraisal Theory

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Cognitive psychologist Richard Lazarus proposed the cognitive-mediational theory of emotions, which emphasizes how individuals' assessments of stressors significantly affect their experience of stress. According to Lazarus, the stress response is determined by a two-step appraisal process: primary appraisal and secondary appraisal. These cognitive appraisals help individuals evaluate the potential impact of a stressor and determine the adequacy of their coping resources.
Primary Appraisal:...
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Cognitive Learning01:21

Cognitive Learning

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Cognitive learning is based on purposive behavior, incidental learning, and insight learning.
E. C. Tolman's theory of purposive behavior emphasizes that much behavior is goal-directed. He argued that to understand behavior, we must look at the entire sequence of actions leading to a goal. For instance, high school students study hard, not just due to past reinforcement but also to achieve the goal of getting into a good college.
Tolman introduced the idea that behavior is influenced by...
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Cognitive Theories: Lazarus Mediational Theory of Emotion01:17

Cognitive Theories: Lazarus Mediational Theory of Emotion

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Richard Lazarus' cognitive mediational theory highlights the pivotal role of cognitive appraisal in shaping emotional responses. According to this theory, the evaluation of a stimulus — based on personal values, goals, beliefs, and expectations — mediates the emotional response. This appraisal process is immediate and often occurs unconsciously, influencing the intensity and nature of the resulting emotion.
Cognitive Appraisal and Emotional Response
Lazarus proposed that...
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Cognitive Dissonance01:38

Cognitive Dissonance

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Social psychologists have documented that feeling good about ourselves and maintaining positive self-esteem is a powerful motivator of human behavior (Tavris & Aronson, 2008). In the United States, members of the predominant culture typically think very highly of themselves and view themselves as good people who are above average on many desirable traits (Ehrlinger, Gilovich, & Ross, 2005). Often, our behavior, attitudes, and beliefs are affected when we experience a threat to our...
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Cognitivism01:17

Cognitivism

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Cognitive psychology emerged as a significant field in the mid-20th century. It focused on understanding humans' internal mental processes. This approach emphasizes how people perceive, remember, think, and solve problems—elements critical to human cognition.
Previously dominated by behaviorism, which prioritized observable behaviors and largely ignored mental processes, psychology transformed in the 1950s. Cognitive psychologists argue that understanding how we think and process...
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Language and Cognition01:27

Language and Cognition

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Language serves as a bridge between ideas and communication, influencing how individuals perceive and interact with the world. Psychologists have long debated whether language shapes thought or vice versa. This discussion gained grip with Edward Sapir and Benjamin Lee Whorf in the 1940s, who proposed that language determines thought, a concept known as linguistic determinism. They suggested that the vocabulary and structure of a language influence how its speakers think and perceive reality.
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相关实验视频

Updated: Jun 11, 2025

Highlighting and Reducing the Impact of Negative Aging Stereotypes During Older Adults' Cognitive Testing
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认知负载水平是否会影响易感性?

Christian P Janssen1, Iris Schutte1, J Leon Kenemans1

  • 1Utrecht University, Experimental Psychology and Helmholtz Institute, the Netherlands.

International journal of psychophysiology : official journal of the International Organization of Psychophysiology
|October 7, 2024
PubMed
概括

认知负载不会影响前部P3 (fP3) 与事件相关的潜在 (ERP) 对新鲜声音的敏感性. 相反,fP3受刺激呈现的影响,特别是当需要声响应时,无论任务的复杂性如何.

科学领域:

  • 神经科学是一个神经科学.
  • 认知心理学 认知心理学
  • 心理生理学 心理生理学

背景情况:

  • 前端P3 (fP3) 事件相关潜力 (ERP) 预测检测失败.
  • 随着任务需求 (视觉,手动,认知) 的增加,fP3振幅下降.
  • 根据理论,fP3反映了指导反应或对新兴刺激的敏感性.

研究的目的:

  • 为了研究不同认知负载对前额P3 (fP3) ERP振幅的影响.
  • 要确定通过动词生成任务操纵的认知负载是否会影响fP3索引的易感性.
  • 区分认知负载与刺激呈现和响应要求对fP3.3的影响.

主要方法:

  • 参与者被分配到"听并重复"或"听并生成"动词任务组.
  • 通过让参与者听取名词,重复它或生成相关的动词来操纵认知负载.
  • 额头P3 (fP3) ERP被测量为响应于在名词偏移后0或200毫秒呈现的探针刺激,使用一种新的矢量过程序来控制与新奇相关的消极性.

主要成果:

  • 在名词重复和动词生成过程中,fP3的幅度降低了 (相对于没有名词的基线),但在简单的听力过程中却没有.
  • 这种fP3的减少发生不论任务所造成的认知负载.
关键词:
注意力 注意力 注意力 注意力与事件相关的潜在事件.小说P3 小说P3易感性 易感性 易感性动词任务 动词任务

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  • 对fP3的影响在声音响应必要时是最明显的,独立于响应的复杂性.
  • 结论:

    • 认知负载似乎没有调节前端P3 (fP3) ERP索引的易感性.
    • fP3指数敏感性主要受到刺激呈现的影响,特别是当声响应参与时.
    • 认知任务的复杂性 (例如,动词生成与重复) 不会改变这种关系.