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相关概念视频

Implicit Memories01:24

Implicit Memories

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Implicit memories, also known as non-declarative memories, are long-term memories that function outside of conscious awareness. These memories influence behavior and skills without explicit knowledge. This type of memory is evident in tasks like playing tennis, snowboarding, and texting. Implicit memory has three subsystems: procedural memory, conditioning, and priming. This type of memory is essential in various activities, from everyday tasks to specialized skills.
One key aspect of implicit...
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Storage01:23

Storage

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A schema is a mental framework that helps individuals organize and interpret information. Schemata, formed from previous experiences, influence how we process new information: how we encode it, the inferences we make, and how we retrieve it. For instance, a schema for what a typical classroom looks like might include desks, a teacher's desk, a whiteboard, and students in such an environment. This expectation helps us quickly understand and navigate new classrooms without needing to analyze...
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Higher Mental Functions of Brain: Learning and Memory01:26

Higher Mental Functions of Brain: Learning and Memory

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Memory is one of the most vital higher mental functions of the brain. Memory is closely related to learning because it enables us to retain information and experiences from our past to use them in our present life. It also helps us to remember facts, events, and skills, such as riding a bike or swimming. There are two types of memory — declarative memory, which involves memorizing facts or events, and procedural memory, which enables us to remember how to do something like writing or...
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Purposive Learning01:22

Purposive Learning

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E. C. Tolman emphasized the purposiveness of behavior — the idea that much of our behavior is goal-directed. For instance, employees who aim for a promotion work diligently to meet their targets. Tolman argued that when classical conditioning and operant conditioning occur, the organism acquires certain expectations. In classical conditioning, a child might fear a dog because they expect it to bite. In operant conditioning, a person might consistently work overtime because they expect a...
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Hindsight Biases01:12

Hindsight Biases

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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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Reason and Intuition01:37

Reason and Intuition

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The human brain processes information for decision-making using one of two routes: an intuitive system and a rational system (Epstein, 1994; popularized by Kahneman, 2011 as System 1 and System 2, respectively). The intuitive system is quick, impulsive, and operates with minimal effort, relying on emotions or habits to provide cues for what to do next, while the rational system is logical, analytical, deliberate, and methodical. Research in neuropsychology suggests that the...
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相关实验视频

Updated: May 28, 2025

The Adventures of Fundi Intervention Based on the Cognitive and Emotional Processing in Attention Deficit Hyperactive Disorder Patients
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基于记忆的偏好的主动和反应性的构建.

Jonathan Nicholas1,2,3, Nathaniel D Daw4,5, Daphna Shohamy6,7,8

  • 1Department of Psychology, Columbia University, New York, NY, USA.

Nature communications
|February 13, 2025
PubMed
概括

大脑理性地选择主动和反应性记忆回忆策略之间的决策. 积极的内存访问是有效的,但当选择具有许多内存链接时,则使用反应式访问.

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科学领域:

  • 认知神经科学 认知神经科学
  • 决策科学 决策科学 决策科学

背景情况:

  • 个人经常遇到新的决策,需要结论结果.
  • 计算理论提出了用于决策的存储器访问和链接.
  • 之前的研究表明,记忆集成是主动或反应性的.

研究的目的:

  • 解决主动与反应性内存集成时间的不一致性.
  • 调查存储器访问策略之间的合理权衡.
  • 了解记忆的关联结构如何影响决策策略.

主要方法:

  • 使用功能磁共振成像 (fMRI).
  • 解码了与记忆中的图像类别相关的脑反应模式.
  • 分析了基于记忆回忆时间的决策策略.

主要成果:

  • 积极的内存访问通常更常见和更有效的推断.
  • 当选择选项与记忆高度相关时,就会使用反应性记忆访问.
  • 大脑活动模式区分主动和反应性记忆参与.

结论:

  • 大脑根据记忆结构动态地选择主动或反应性记忆策略.
  • 这种自适应策略优化了新的决策的推断.
  • 记忆集成时间是一个由关联记忆特征影响的理性过程.