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相关概念视频

Schemata01:17

Schemata

214
A schema is a mental construct that organizes related concepts, allowing the brain to process information efficiently. Upon activation, schemata facilitate assumptions about people or objects.
Two types of schemata are:
214
Schemas01:42

Schemas

12.2K
A schema is a mental construct consisting of a cluster or collection of related concepts (Bartlett, 1932). There are many different types of schemata, and they all have one thing in common: schemata are a method of organizing information that allows the brain to work more efficiently. When a schema is activated, the brain makes immediate assumptions about the person or object being observed.
12.2K
Impact of Schemas01:30

Impact of Schemas

120
Schemas are cognitive structures that provide a framework for interpreting and organizing social information. They help individuals navigate complex environments by offering expectations about people, events, and behaviors. Schemas influence attention, encoding, and retrieval processes, thereby shaping the entire trajectory of information processing in social contexts.Attention and Cognitive LoadDuring initial attention, schemas function as filters that prioritize schema-consistent information,...
120
Observational Learning01:12

Observational Learning

644
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...
644
Storage01:23

Storage

228
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...
228
Associative Learning01:27

Associative Learning

884
Associative learning is a fundamental concept in behavioral psychology, wherein a connection is established between two stimuli or events, leading to a learned response. This process is critical in understanding how behaviors are acquired and modified. Conditioning, the mechanism through which associations are formed, can be divided into two main types: classical conditioning and operant conditioning, each elucidating different aspects of associative learning.
Classical conditioning, also known...
884

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相关实验视频

Updated: Nov 24, 2025

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

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

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在学习过程中,轨道前端组合中演变的模式表示

Jingfeng Zhou1, Chunying Jia2, Marlian Montesinos-Cartagena3

  • 1Intramural Research Program of the National Institute on Drug Abuse, Baltimore, MD, USA. jingfeng.zhou@nih.gov.

Nature
|December 28, 2020
PubMed
概括
此摘要是机器生成的。

鼠在轨道前皮层中发展神经模式, 这种大脑机制通过识别常见结构来加速学习,

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In Vivo Optical Calcium Imaging of Learning-Induced Synaptic Plasticity in Drosophila melanogaster

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相关实验视频

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

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Appetitive Associative Olfactory Learning in Drosophila Larvae

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In Vivo Optical Calcium Imaging of Learning-Induced Synaptic Plasticity in Drosophila melanogaster
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科学领域:

  • 神经科学
  • 认知科学
  • 计算神经科学

背景情况:

  • 人类和动物将学到的信息推广到新的情况中,这一过程对于高效的学习和解决问题至关重要.
  • 学习和部署方案 (知识的内部表示) 的能力是这种概括的关键.
  • 然而,基底的神经机制的模式形成和利用仍然在很大程度上未知.

研究的目的:

  • 通过神经模式的形成来研究先前的知识如何促进学习.
  • 确定大脑中涉及到一般化学习信息的区域.
  • 在学习过程中探索底层的神经动态.

主要方法:

  • 记录了大鼠的单个单元神经活动.
  • 在一系列类似的气味序列学习问题上训练了老鼠.
  • 分析神经组合活动以识别神经代码的模式和维度缩小.

主要成果:

  • 随着学习的进展, 轨道前皮层组合汇聚在不同问题和主题的低维神经代码.
  • 这种新兴的神经代码代表了学习任务的共同结构元素.
  • 这种神经代码的演变随着学习而加速,

结论:

  • 演示了轨道前皮层内神经模式的形成和积极使用,以支持复杂的认知操作.
  • 突出了轨道前皮层在学习和认知概括中的作用.
  • 这表明集体分析是研究复杂认知功能的有价值的工具.