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相关概念视频

Hindsight Biases01:12

Hindsight Biases

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?
Framing Effects03:26

Framing Effects

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 different ways based on the...
Drug Concentration Versus Time Correlation01:15

Drug Concentration Versus Time Correlation

The plasma drug concentration-time curve is a crucial tool in pharmacokinetics, representing the drug's concentration in plasma at different time intervals post-administration. This curve illustrates the drug's journey from absorption into the systemic circulation, distribution to body tissues, and eventual elimination through excretion or biotransformation.
Two pivotal parameters are the minimum effective concentration (MEC) and the minimum toxic concentration (MTC). The MEC is the lowest drug...
Timing and Consequences on Behavior01:08

Timing and Consequences on Behavior

In operant conditioning, the timing of reinforcement is crucial. For animals like rats and cats, immediate reinforcement (within a few seconds) is much more effective than delayed reinforcement. For example, a food reward for a rat needs to follow within 30 seconds of pressing a bar to be effective. 
Humans, however, can respond to delayed reinforcers. We often make decisions between immediate small rewards and delayed larger rewards. This ability to delay gratification is a significant factor...
Magical Thinking01:29

Magical Thinking

Magical thinking encompasses the belief in assumptions that defy logical reasoning yet appear intuitively convincing. It is a common psychological phenomenon that persists across various cultural and individual contexts. While these assumptions contradict empirical evidence and scientific laws, they often serve meaningful psychological roles in promoting emotional resilience and a sense of control, especially under stress or uncertainty.Thought-Action Fusion and the Law of SimilarityA key...
Actor-Observer Effect01:23

Actor-Observer Effect

The actor-observer effect, a cognitive bias closely linked to the fundamental attribution error, refers to the tendency for individuals to attribute their behavior to external, situational factors while explaining others’ behavior in terms of internal, dispositional traits. This asymmetry in attribution significantly influences social perception and judgment.Cognitive Mechanisms Behind the EffectTwo primary psychological mechanisms contribute to the actor-observer effect: differences in visual...

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当时间注意力与期望相互作用时.

Aysun Duyar1, Shiyang Ren2, Marisa Carrasco2,3

  • 1Department of Psychology, New York University, New York, NY, USA. aysun@nyu.edu.

Scientific reports
|February 26, 2024
PubMed
概括
此摘要是机器生成的。

时间注意力和时间期望是优化视觉感知的独特机制. 它们的相互作用提高了性能,但一旦部署在次优的水平上,注意力就无法重新定位.

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科学领域:

  • 认知神经科学 认知神经科学
  • 视觉感知 视觉感知 视觉感知
  • 人类的注意力人类的注意力

背景情况:

  • 时间注意力和时间期望对于优化视觉表现至关重要.
  • 了解它们的独立和交互作用是解释注意力效益的关键.
  • 之前的研究还没有完全澄清注意力部署的精确时间和精确性.

研究的目的:

  • 研究视觉感知中的时间注意力和时间期望之间的相互作用.
  • 确定如何独立操纵这些机制影响性能.
  • 为了阐明注意力窗口定时和精度的动态.

主要方法:

  • 使用行为相关性对时间注意力的独立操纵.
  • 通过会话智能精度和试验智能危险率操纵时间预期.
  • 同时评估它们对视觉表现的影响.

主要成果:

  • 时间注意力的好处随着时间期望精度的提高而增加.
  • 令人惊的是,随着刺激的延迟,注意力效益下降.
  • 部署的注意力不能重新定向到以后的时间点.

结论:

  • 时间注意力和时间期望是不同的神经认知机制.
  • 这些机制相互作用,以提高视觉表现.
  • 这些发现揭示了注意力重定向和部署的局限性.