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Understanding the Self01:28

Understanding the Self

The self is a central aspect of human identity, encompassing an individual’s beliefs, emotions, perceptions, and experiences. It is a cognitive and psychological construct that enables individuals to interpret their traits and behaviors, influencing how they perceive themselves and interact with the world. While personality consists of stable and enduring characteristics, the self is shaped by self-perception and social experiences. This distinction highlights the dynamic nature of the self,...
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Introspection, long upheld as a reliable route to self-knowledge, involves examining one's thoughts, emotions, and mental processes. It underpins many psychological practices, from mindfulness meditation to psychotherapy and self-help strategies. However, empirical evidence challenges the accuracy of introspection as a means of understanding oneself.Limitations of Introspective InsightSeminal work by Nisbett and Wilson demonstrated that individuals are frequently unaware of the true causes...
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Self-Awareness and Its Effects

Self-awareness is a psychological state in which the individual becomes the focal point of their attention. This inward focus transforms the self into an object of contemplation and assessment, influencing how individuals perceive their actions and their alignment with personal and societal standards.Triggers and Contexts for Self-AwarenessSelf-awareness can be activated by external stimuli that make individuals visually or audibly aware of themselves, such as mirrors, cameras, or recordings.
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相关实验视频

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Modulating Cognition Using Transcranial Direct Current Stimulation of the Cerebellum
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通过轨道前皮层进行的跨直流刺激增强了自我报告的信心,但在感知决策任务中降低了元认知灵敏度.

Daniele Saccenti1, Andrea Stefano Moro1,2, Gianmarco Salvetti1

  • 1Department of Psychology, Sigmund Freud University, 20143 Milan, Italy.

Biomedicines
|July 29, 2025
PubMed
概括

在左轨道前皮层 (OFC) 上进行的阳横直流刺激 (tDCS) 损害了元认知灵敏度. 这表明OFC在评估决策表现和自我意识方面发挥着关键作用.

关键词:
准确度 准确度 准确度 准确度信心 信心 信心 信心 信心在决策过程中做出决定.超认知敏感性 超认知敏感性轨道前额皮层 (OFC)跨直流刺激 (tDCS) 是一种

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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
  • 决策科学 决策科学 决策科学

背景情况:

  • 超认知,即反思和调节自己的思维的能力,对神经支的理解很差.
  • 轨道前皮层 (OFC) 是超认知的一个候选区域,因为它在奖励评估,决策和自我监测方面的作用.

研究的目的:

  • 为了研究轨道前皮层 (OFC) 在元认知中的参与.
  • 检查OFC活动的调节如何影响元认知敏感性和决策.

主要方法:

  • 跨直流刺激 (tDCS) 应用于参与者执行一个可信度评级的两种替代性强制选择任务的左侧OFC.
  • 通过问卷,评估了元认知敏感性,以及感知准确性,延迟折扣和元认知信念.

主要成果:

  • 与假冒刺激相比,左侧OFC上的阳极tDCS显著降低了元认知灵敏度.
  • 感知决策准确性不受刺激的影响.
  • 真实刺激导致自我报告的信心增加,而超认知敏感性与对思维的负面信念相关.

结论:

  • 金融办公室参与处理关于决策绩效的二级判决.
  • OFC过度刺激可能会导致在影响自我评估的临床条件中观察到的元认知缺陷.