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相关概念视频

Factors Affecting Perception01:25

Factors Affecting Perception

1.7K
Perception is influenced by perceptual set, context, motivation, and emotion. Perceptual set, or perceptual expectancy, refers to the tendency to perceive things in a particular way, influenced by previous experiences and expectations. This phenomenon affects the interpretation of stimuli, creating a set of mental tendencies and assumptions that impact sensory perceptions of sound, taste, touch, and sight.
An illustrative example of a perceptual set is the scenario where an airline pilot told...
1.7K
Perception01:28

Perception

517
Perception is a fundamental psychological process that enables individuals to organize, interpret, and consciously experience sensory information. This process is crucial for understanding and interacting with the world around us. It includes both bottom-up and top-down processing, each playing a distinct role in how we perceive our environment.
Bottom-up processing begins at the sensory level, where receptors detect external environmental stimuli. These could include the tactile sensation of...
517
The Anchoring-and-Adjustment Heuristic01:25

The Anchoring-and-Adjustment Heuristic

7.3K
In order to make good decisions, we use our knowledge and our reasoning. Often, this knowledge and reasoning is sound and solid. However, sometimes, we are swayed by biases or by others manipulating a situation. For example, let’s say you and three friends wanted to rent a house and had a combined target budget of $1,600. The realtor shows you only very run-down houses for $1,600 and then shows you a very nice house for $2,000. Might you ask each person to pay more in rent to get the...
7.3K
Decision Making01:20

Decision Making

152
Decision-making is a fundamental cognitive process that involves evaluating alternatives and selecting among them. This process can range from simple choices, such as deciding what to wear, to complex decisions, like choosing a major in college or a career path. The complexity of the decision often dictates the approach we use, which can be broadly categorized into two types: automatic and controlled decision-making.
Automatic decision-making is fast, intuitive, and relies on gut feelings...
152
Framing Effects03:26

Framing Effects

7.4K
Information is everywhere and its presentation—such as how and when items are presented—can impact our perceptions and decisions surrounding the info. This broad concept umbrellas framing effects—influences that occur due to the way information is framed in its appearance, whether it’s purely the order or the specific wording of a message. Let’s take a look at numerous ways in which two versions of something can objectively say the same thing, yet we respond in...
7.4K
Hindsight Biases01:12

Hindsight Biases

3.4K
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? 
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相关实验视频

Updated: Jul 27, 2025

Visualizing Visual Adaptation
04:43

Visualizing Visual Adaptation

Published on: April 24, 2017

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环境动态塑造了感知的决策偏见.

Julie A Charlton1, Wiktor F Młynarski2, Yoon H Bai1

  • 1Center for Perceptual Systems, University of Texas at Austin, Austin, Texas, United States of America.

PLoS computational biology
|June 8, 2023
PubMed
概括

大脑使用先前的经验来解释感官信息,即使环境发生变化. 人类的决策与动态环境中的最佳贝叶斯策略保持一致,显示我们如何适应不断变化的环境.

更多相关视频

Assessment of Mouse Judgment Bias through an Olfactory Digging Task
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Assessment of Mouse Judgment Bias through an Olfactory Digging Task

Published on: March 4, 2022

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An Operant Intra-/Extra-dimensional Set-shift Task for Mice
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An Operant Intra-/Extra-dimensional Set-shift Task for Mice

Published on: January 22, 2016

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相关实验视频

Last Updated: Jul 27, 2025

Visualizing Visual Adaptation
04:43

Visualizing Visual Adaptation

Published on: April 24, 2017

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Assessment of Mouse Judgment Bias through an Olfactory Digging Task
12:10

Assessment of Mouse Judgment Bias through an Olfactory Digging Task

Published on: March 4, 2022

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An Operant Intra-/Extra-dimensional Set-shift Task for Mice
08:35

An Operant Intra-/Extra-dimensional Set-shift Task for Mice

Published on: January 22, 2016

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科学领域:

  • 认知神经科学 认知神经科学
  • 计算神经科学是一种神经科学.
  • 决策科学 决策科学 决策科学

背景情况:

  • 大脑将模两可的感官数据与先前的经验进行整合以进行解释.
  • 环境背景可能会发生不可预测的变化,对当前情况产生不确定性.

研究的目的:

  • 确定具体的前置知识如何在不断变化的环境中最好地引导感官解释.
  • 调查人类决策策略是否与这些最佳贝叶斯预测相匹配.

主要方法:

  • 试验对象执行了一项涉及动态切换分布 (上下文) 的模两可的视觉刺激的任务.
  • 对于一个理想的贝叶斯观察者来说,预测是通过结合环境动态的知识来得出的.
  • 分析了人类选择数据,与模型预测进行比较.

主要成果:

  • 一个理想的贝叶斯观察者的决定受到动态变化的任务环境的影响.
  • 决策偏差的大小与上下文可靠性,环境稳定性和上下文切换后的时间相关.
  • 人类行为验证了来自贝叶斯模型的所有三个预测.

结论:

  • 大脑有效地利用环境变化统计数据的知识来解释模两可的感官信号.
  • 人类在动态环境中的决策策略与最佳贝叶斯推理非常相似.
  • 这表明复杂的神经机制适应和预测环境变化.