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相关概念视频

Cognitivism01:17

Cognitivism

2.9K
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...
2.9K
Actor-Observer Effect01:23

Actor-Observer Effect

345
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...
345
The Influence of Cognition on Affect01:29

The Influence of Cognition on Affect

190
Cognition plays a pivotal role in shaping emotional experiences, as demonstrated by Schachter and Singer’s two-factor theory of emotion. According to this model, emotion arises from a combination of physiological arousal and cognitive interpretation. The body’s physiological response to stimuli is ambiguous and only gains emotional significance through cognitive labeling. For instance, an increased heart rate and adrenaline surge while standing near an attractive person may be...
190
Observational Learning01:12

Observational Learning

841
Albert Bandura's observational learning, also known as imitation or modeling, occurs when a person observes and imitates another's behavior. It is a quicker process than operant conditioning. A well-known example is the Bobo doll study, where children who saw an adult acting aggressively towards the doll were more likely to act aggressively when left alone, compared to those who observed a nonaggressive adult. Many psychologists view observational learning as a form of latent learning...
841
Causes of Social Behavior II: Cognitive Processes01:15

Causes of Social Behavior II: Cognitive Processes

190
Cognitive processes affect social behavior by guiding how individuals perceive, interpret, and respond to social stimuli. These mental processes enable individuals to assess others' behaviors, attribute causes to their actions, and form expectations based on past experiences.Causes of Behavior and Social JudgmentsIndividuals determine the causes of others' behaviors by distinguishing between personal traits and external circumstances. For example, if a friend frequently arrives late, an...
190
Cognitive Theories: Schachter-Singer Theory of Emotion01:20

Cognitive Theories: Schachter-Singer Theory of Emotion

1.5K
Stanley Schachter and Jerome Singer proposed the two-factor theory of emotion, which emphasizes the interplay between physiological arousal and cognitive labeling in forming emotional experiences. This theory suggests that emotions are not simply a result of physiological responses but rather a combination of these responses and the individual's cognitive interpretation of them.
Physiological Arousal and Cognitive Labeling
According to this theory, when an individual experiences...
1.5K

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相关实验视频

Updated: Jan 17, 2026

A Machine Learning Approach to Design an Efficient Selective Screening of Mild Cognitive Impairment
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A Machine Learning Approach to Design an Efficient Selective Screening of Mild Cognitive Impairment

Published on: January 11, 2020

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部分可观察的预测模型用于识别认知标记物.

Zita Oravecz1, Martin Sliwinski1, Sharon H Kim1

  • 1The Pennsylvania State University, Harrisburg, PA 16802 USA.

Computational brain & behavior
|September 15, 2025
PubMed
概括
此摘要是机器生成的。

这项研究引入了一种新的建模方法,从重复评估中提取认知标记. 该方法使用认知和人口统计数据预测了轻度认知障碍等结果.

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A Machine Learning Approach to Design an Efficient Selective Screening of Mild Cognitive Impairment

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科学领域:

  • 认知心理学 认知心理学
  • 计算建模计算建模
  • 老年学是一门学科.

背景情况:

  • 重复的认知评估为理解认知表现提供了有价值的数据.
  • 目前的方法通常集中在提取认知标记,但不能充分利用它们来预测结果.

研究的目的:

  • 介绍和演示一个部分可观测的预测器建模方法.
  • 整合认知标志物和人口共变量来预测临床相关的结果.

主要方法:

  • 开发了贝叶斯的多层次建模框架,用于预测过程建模.
  • 同时从重复评估数据中提取认知标记.
  • 结合学习特征和人口变量来预测轻度认知障碍.

主要成果:

  • 部分可观测的预测器方法成功地整合了认知标记和人口统计数据.
  • 使用现实世界的数据,证明了这种方法在预测轻度认知障碍方面的实用性.
  • 该模型有效地将认知性能特征与临床结果联系起来.

结论:

  • 拟议的建模方法增强了认知标记的预测效用.
  • 这一框架为预测临床结果提供了有价值的工具,例如轻度认知障碍.
  • 有助于更深入地了解认知衰老和疾病预测中的个体差异.