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相关概念视频

Association Areas of the Cortex01:21

Association Areas of the Cortex

5.3K
Association areas are regions of the cerebral cortex that do not have a specific sensory or motor function. Instead, they integrate and interpret information from various sources to enable higher cognitive processes such as memory, learning, and decision-making. Some key association areas include the following:
Prefrontal Association Area: This area is located in the frontal lobe and is involved in planning, decision-making, and moderating social behavior. It connects with primary motor areas,...
5.3K
Role of Cerebellum and Prefrontal Cortex in Memory01:14

Role of Cerebellum and Prefrontal Cortex in Memory

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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...
425

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相关实验视频

Updated: Jun 28, 2025

Continuous Theta Burst Stimulation of the Posterior Medial Frontal Cortex to Experimentally Reduce Ideological Threat Responses
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Continuous Theta Burst Stimulation of the Posterior Medial Frontal Cortex to Experimentally Reduce Ideological Threat Responses

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目标承诺通过选择性注意力得到vmPFC的支持.

Eleanor Holton1, Jan Grohn2,3, Harry Ward4

  • 1Department of Experimental Psychology, University of Oxford, Oxford, UK. eleanor.holton@psy.ox.ac.uk.

Nature human behaviour
|April 17, 2024
PubMed
概括
此摘要是机器生成的。

腹中前额叶皮层 (vmPFC) 通过影响选择性注意力来推动目标承诺. 对vmPFC的损害降低了目标承诺,通过增加灵活性,令人惊地提高了性能.

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Investigating the Deployment of Visual Attention Before Accurate and Averaging Saccades via Eye Tracking and Assessment of Visual Sensitivity
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Investigating the Deployment of Visual Attention Before Accurate and Averaging Saccades via Eye Tracking and Assessment of Visual Sensitivity

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Intracortical Inhibition Within the Primary Motor Cortex Can Be Modulated by Changing the Focus of Attention
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Intracortical Inhibition Within the Primary Motor Cortex Can Be Modulated by Changing the Focus of Attention

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相关实验视频

Last Updated: Jun 28, 2025

Continuous Theta Burst Stimulation of the Posterior Medial Frontal Cortex to Experimentally Reduce Ideological Threat Responses
06:42

Continuous Theta Burst Stimulation of the Posterior Medial Frontal Cortex to Experimentally Reduce Ideological Threat Responses

Published on: September 28, 2018

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Investigating the Deployment of Visual Attention Before Accurate and Averaging Saccades via Eye Tracking and Assessment of Visual Sensitivity
06:46

Investigating the Deployment of Visual Attention Before Accurate and Averaging Saccades via Eye Tracking and Assessment of Visual Sensitivity

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Intracortical Inhibition Within the Primary Motor Cortex Can Be Modulated by Changing the Focus of Attention
09:48

Intracortical Inhibition Within the Primary Motor Cortex Can Be Modulated by Changing the Focus of Attention

Published on: September 11, 2017

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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:

  • 目标导向的行为涉及平衡承诺与灵活性.
  • 坚持目标或坚持目标是人类普遍的倾向.
  • 目标承诺和灵活性的神经支仍然不完全理解.

研究的目的:

  • 为了研究前额外皮质 (vmPFC) 在目标承诺中的作用.
  • 检查目标承诺,目标导向的注意力和决策之间的关系.
  • 探索vmPFC损害对目标承诺和任务绩效的影响.

主要方法:

  • 在健康参与者的功能磁共振成像 (fMRI) (n=30).
  • 伤病患者研究涉及vmPFC损伤的个体 (n=26).
  • 一个增量目标追求任务,评估坚持和放弃之间的决策.

主要成果:

  • 更强的目标坚持与更高的目标导向注意力相关联.
  • 增加目标导向的注意力导致对替代选择的敏感性降低.
  • 基线vmPFC活动预测了承诺偏差和注意力的个体差异.
  • vmPFC损害降低了目标承诺,从而提高了性能.

结论:

  • vmPFC对于通过调节目标导向注意力来推动目标承诺至关重要.
  • vmPFC 函数会影响目标坚持性和适应性灵活性之间的权衡.
  • vmPFC病变可能会损害目标承诺,但可以通过促进更大的灵活性来提高绩效.