相关实验视频
Updated: Jan 17, 2026

07:07
Errors as a Means of Reducing Impulsive Food Choice
Published on: June 5, 2016
9.1K
正确但仍然糟糕:正确的答案带有不利的结果引发了错误的积极性错误
Peter Löschner1, Marco Steinhauser1
1Department of Psychology, Catholic University of Eichstätt-Ingolstadt, Eichstätt, Bavaria, Germany.
Psychophysiology
|September 20, 2025
概括
错误阳性 (Pe) 信号是性能监控的标记,它超出了简单的错误检测范围. 它反映了对结果的更高层次评估,整合了上下文和多个错误信号来推断.
科学领域:
- 认知神经科学 认知神经科学
- 神经科学是一个神经科学.
- 心理学 心理学 心理学
背景情况:
- 错误阳性 (Pe) 是一种神经信号,与在选择任务中出现错误后的绩效监测有关.
- 以前的研究表明,PE不仅仅是区分正确和不正确的反应.
研究的目的:
- 根据推断和结果评估,调查Pe是否代表更高阶的错误信号.
- 探索Pe在整合上下文信息中的作用,超出了即时响应的准确性.
主要方法:
- 设计了一个多阶段任务,其中总体结果取决于连续阶段的正确性,最终结果只有在最后一个阶段才显示出来.
- 收集行为和电生理数据 (EEG) 来分析Pe.
- 一个模式分类器被用来解码Pe信号.
主要成果:
- 这项研究复制了在任务的每个阶段中发现的 Pe 错误的发现.
- 重要的是,在正确的反应后也观察到PE,这导致了不利的整体结果.
- 一个分类器成功解码了这个更高阶的Pe,证明了它的独特的神经表征.
结论:
- 这些发现表明,Pe不仅仅是一个错误检测信号,而且是一个评估过程.
- 通过整合多个错误信号和考虑上下文信息,Pe似乎可以推断结果.
- 这表明PE在认知控制和决策中的作用更为复杂.
相关概念视频
Errors In Hypothesis Tests
5.8K
When performing a hypothesis test, there are four possible outcomes depending on the actual truth (or falseness) of the null hypothesis and the decision to reject or not.
5.8K
Hindsight Biases
4.2K
Hindsight bias leads you to believe that the event you just experienced was predictable, even though it really wasn’t. In other words, you knew all along that things would turn out the way they did. Can you relate this to the phrase "Hindsight is 20/20" now?
4.2K
Types of Errors: Detection and Minimization
10.2K
Error is the deviation of the obtained result from the true, expected value or the estimated central value. Errors are expressed in absolute or relative terms.
Absolute error in a measurement is the numerical difference from the true or central value. Relative error is the ratio between absolute error and the true or central value, expressed as a percentage.
Errors can be classified by source, magnitude, and sign. There are three types of errors: systematic, random, and gross.
Systematic or...
Absolute error in a measurement is the numerical difference from the true or central value. Relative error is the ratio between absolute error and the true or central value, expressed as a percentage.
Errors can be classified by source, magnitude, and sign. There are three types of errors: systematic, random, and gross.
Systematic or...
10.2K
Stereotype Threat and Self-fulfilling Prophecies
41.9K
When we hold a stereotype about a person, we have expectations that he or she will fulfill that stereotype. A self-fulfilling prophecy is an expectation held by a person that alters his or her behavior in a way that tends to make it true. When we hold stereotypes about a person, we tend to treat the person according to our expectations. This treatment can influence the person to act according to our stereotypic expectations, thus confirming our stereotypic beliefs. Research by Rosenthal and...
41.9K
Unrealistic Optimism Bias
213
Unrealistic optimism bias is the tendency to overestimate the likelihood of positive outcomes. This cognitive bias makes individuals believe they are less likely to experience failures, setbacks, or risks and more likely to succeed than others. For example, people may assume they are less prone to health issues, accidents, or financial struggles than their peers, even when they share similar risk factors.One key component of this bias is the above-average effect, where individuals perceive...
213
Positive and Negative Feedback Loops
24.8K
Animal organs and organ systems constantly adjust to internal and external changes through a process called homeostasis ("steady state"). Examples of these changes include regulation of the level of glucose or calcium in the blood or internal responses to external temperatures. Homeostasis requires maintaining an internal dynamic equilibrium:
24.8K

