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相关概念视频

Cognitivism01:17

Cognitivism

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Cognitive psychology emerged as a significant field in the mid-20th century. It focused on understanding humans' internal mental processes. This approach emphasizes how people perceive, remember, think, and solve problems—elements critical to human cognition.
Previously dominated by behaviorism, which prioritized observable behaviors and largely ignored mental processes, psychology transformed in the 1950s. Cognitive psychologists argue that understanding how we think and process...
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Introduction to Cognitive Psychology01:20

Introduction to Cognitive Psychology

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Cognitive psychology is the field of psychology dedicated to examining how people think. It attempts to explain how and why we think the way we do by studying the interactions among human thinking, emotion, creativity, language, and problem-solving, as well as other cognitive processes. Cognitive psychology studies how information is processed and manipulated in remembering, thinking, and knowing.
This field emerged in the mid-20th century, following a period dominated by behaviorism, which...
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Cognitive Learning01:21

Cognitive Learning

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Cognitive learning is based on purposive behavior, incidental learning, and insight learning.
E. C. Tolman's theory of purposive behavior emphasizes that much behavior is goal-directed. He argued that to understand behavior, we must look at the entire sequence of actions leading to a goal. For instance, high school students study hard, not just due to past reinforcement but also to achieve the goal of getting into a good college.
Tolman introduced the idea that behavior is influenced by...
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Encoding01:19

Encoding

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Information enters the brain through encoding, which is the input of information into the memory system. Once sensory information is received from the environment, the brain labels or codes it. The information is then organized with similar information and connected to existing concepts. Encoding occurs through automatic processing and effortful processing.
Automatic processing involves the encoding of details like time, space, frequency, and the meaning of words, usually done without conscious...
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Information Processing Approach01:30

Information Processing Approach

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The information-processing theory of cognitive development centers on fundamental mental processes, including attention, memory, and problem-solving skills. Researchers in this field examine how cognitive abilities, such as working memory, evolve and influence children's overall development. Studies indicate that children with stronger working memory tend to excel in reading comprehension, math, and problem-solving compared to peers with less efficient memory skills. Low working memory is...
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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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相关实验视频

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Cross-Modal Multivariate Pattern Analysis
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Cross-Modal Multivariate Pattern Analysis

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预测编码:一个比我们想象的更认知的过程?

Kaitlyn M Gabhart1, Yihan Sophy Xiong1, André M Bastos1

  • 1Department of Psychology, Vanderbilt University, Nashville, TN, USA.

Trends in cognitive sciences
|February 21, 2025
PubMed
概括
此摘要是机器生成的。

预测编码 (PC) 表明预测错误发生在感官区域. 然而,新的研究表明,这些错误可能起源于前额叶皮质,支持传统PC模型的预测路由 (PR) 框架.

关键词:
贝塔振荡是贝塔振荡的表现.马振荡的马振荡全球奇怪的人.当地全球奇怪的模式.预测编码的预测编码.预测性路由可以预测路由.

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相关实验视频

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科学领域:

  • 神经科学是一个神经科学.
  • 认知科学 认知科学
  • 计算神经科学是一种神经科学.

背景情况:

  • 预测编码 (PC) 理论认为,高阶大脑区域产生预测,发送到低阶感官区域.
  • 上向下预测和下向上传感数据之间的不匹配会产生预测错误,这对学习和感知至关重要.
  • 传统上,PC中的预测错误被认为是编码在感官皮层的金字塔神经元中.

研究的目的:

  • 为了研究预测错误生成的精确神经位置.
  • 为了评估预测编码 (PC) 模型与替代预测路由 (PR) 框架的有效性.
  • 为了确定预测错误是否主要是感官或认知起源.

主要方法:

  • 使用了神经元激增数据分析.
  • 在多种记录方式中采用全球-本地奇怪模式.
  • 检查了感觉和前额叶皮层 (PFC) 区域的神经活动.

主要成果:

  • 神经成像研究始终显示在感官和更高阶区域的预测错误反应,与PC保持一致.
  • 最近的神经增研究表明,真正的预测错误主要出现在前额叶皮层 (PFC).
  • 这一发现挑战了以感官为中心的PC观.

结论:

  • 在PFC中预测错误的局部化表明预测处理更多的是基于认知而不是基于感官.
  • 这挑战了预测编码 (PC) 模型的核心假设.
  • 研究结果更好地支持一种称为预测路由 (PR) 的替代框架.