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相关概念视频

Role of Cerebellum and Prefrontal Cortex in Memory01:14

Role of Cerebellum and Prefrontal Cortex in Memory

349
The cerebellum, while traditionally associated with motor control, also plays a crucial role in memory, particularly in procedural memory, which involves learning motor tasks that become automatic through repetition. For example, studies have shown that when the cerebellum is damaged, individuals or animals lose the ability to learn conditioned motor responses, such as the conditioned eye-blink response in classical conditioning experiments with rabbits. This study demonstrates the...
349
Working Memory01:24

Working Memory

127
Working memory refers to a combination of components, including short-term memory and attention, that allow an individual to hold information temporarily as we perform cognitive tasks. It is an essential cognitive function that enables the execution of complex tasks such as problem-solving, comprehension, and reasoning. Unlike short-term memory, which simply involves the storage of information for a brief period, working memory involves the active manipulation and processing of this...
127
Information Processing Approach01:30

Information Processing Approach

30
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...
30
Lobes of the Cerebrum01:22

Lobes of the Cerebrum

516
The cerebral cortex, a critical structure of the brain, is intricately divided into two hemispheres, each consisting of four distinct lobes: occipital, temporal, frontal, and parietal. These lobes function cooperatively to regulate various cognitive and sensory functions, forming the basis of our complex neural capabilities.
Frontal lobe
The frontal lobes, located behind the forehead, are the command center of our brain, controlling personality, intelligence, and voluntary muscle movements....
516
Motor and Sensory Areas of the Cortex01:14

Motor and Sensory Areas of the Cortex

2.8K
The cerebral cortex, the brain's outermost layer, is pivotal in processing complex cognitive tasks, emotions, and various sensory inputs and executing voluntary motor activities. This intricate structure is divided into three primary functional areas: the motor areas, sensory areas, and association areas.
Motor Areas
The motor areas located in the frontal lobe are central to controlling voluntary movements. This region is further subdivided into the primary motor cortex and the premotor...
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High-Level and Low-Level Awareness01:19

High-Level and Low-Level Awareness

245
Controlled processes in human consciousness represent high-alert mental states where individuals deliberately focus their attention on achieving specific goals. Controlled processes can be seen in situations like mastering new technology, where a person might become so absorbed that they ignore surrounding distractions. Such processes involve selective attention, requiring one to concentrate on particular elements of experience while disregarding others. These are governed by executive...
245

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相关实验视频

Updated: May 30, 2025

A Cognitive Paradigm to Investigate Interference in Working Memory by Distractions and Interruptions
10:38

A Cognitive Paradigm to Investigate Interference in Working Memory by Distractions and Interruptions

Published on: July 16, 2015

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优先考虑工作记忆资源取决于前额叶皮层.

Grace E Hallenbeck1, Nathan Tardiff1, Thomas C Sprague1,2

  • 1Department of Psychology, New York University, New York, New York 10003.

The Journal of neuroscience : the official journal of the Society for Neuroscience
|January 27, 2025
PubMed
概括
此摘要是机器生成的。

前额叶皮质控制工作记忆资源的分配,而不仅仅是存储. 破坏这种控制可以改善低优先级项目的内存,支持资源分配模型.

关键词:
在TMSMS中使用.人类 人类 人类 人类 人类 人类 人类萨卡德斯 (saccades) 是一个古老的书.地形学地形学地形学视觉 视觉 视觉 视觉 视觉 是一个工作记忆 工作记忆

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Assessing Working Memory in Children: The Comprehensive Assessment Battery for Children – Working Memory (CABC-WM)
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Working Memory Training for Older Participants: A Control Group Training Regimen and Initial Intellectual Functioning Assessment
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相关实验视频

Last Updated: May 30, 2025

A Cognitive Paradigm to Investigate Interference in Working Memory by Distractions and Interruptions
10:38

A Cognitive Paradigm to Investigate Interference in Working Memory by Distractions and Interruptions

Published on: July 16, 2015

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Assessing Working Memory in Children: The Comprehensive Assessment Battery for Children – Working Memory (CABC-WM)
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Working Memory Training for Older Participants: A Control Group Training Regimen and Initial Intellectual Functioning Assessment
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科学领域:

  • 神经科学是一个神经科学.
  • 认知心理学 认知心理学

背景情况:

  • 前额叶皮质在工作记忆中的确切作用是有争议的,一些理论侧重于记忆存储或内容控制.
  • 了解这一区别对于开发认知功能的准确模型至关重要.

研究的目的:

  • 调查前额叶皮质是否主要存储工作记忆内容或控制认知资源的分配.
  • 在工作记忆中区分前额叶皮质功能的存储和控制理论.

主要方法:

  • 利用跨磁刺激 (TMS) 来扰乱人类参与者 (两性) 的侧面前额皮质.
  • 采用工作记忆任务,需要对记忆项进行行为优先排序.
  • 开发了一个计算模型来预测控制中断的影响.

主要成果:

  • 通过TMS破坏高级前中心带来了对低优先级项目的更好的记忆,正如计算模型预测的那样.
  • 麻烦的Intraparietal硫没有产生同样的效果.
  • 结果表明横向前额叶皮质在资源分配中起着因果作用.

结论:

  • 前额叶皮质在工作记忆中的主要作用是控制资源分配,而不是被动存储信息.
  • 这些发现支持计算模型,强调对认知资源的动态控制,而不是静态内存存储框架.