自发运动及其与神经活动的关系随着潜伏的参与状态而波动
Chaoqun Yin1, Maxwell D Melin2, Gabriel Rojas-Bowe1
1UCLA Neuroscience Interdepartmental Program, Los Angeles, CA 90095, USA; Department of Neurobiology, University of California, Los Angeles, Los Angeles, CA 90095, USA.
Neuron
|July 2, 2025
概括
认知状态的变化会影响大脑活动和行为. 在脱离过程中,不那么刻板的动作预测了任务的执行,并揭示了认知状态的体现特征.
科学领域:
- 神经科学是一个神经科学.
- 认知科学 认知科学
- 动物行为 动物行为
背景情况:
- 认知状态自然会发生变化,甚至在专家中也会影响神经活动和行为.
- 了解认知状态转换的神经基础对于解释行为变异至关重要.
研究的目的:
- 为了研究认知状态如何影响皮质范围内的神经活动和小鼠决策过程中的行为.
- 识别与认知状态过渡相关的神经和行为标记.
主要方法:
- 在决策任务期间,在小鼠中测量皮层范围的神经活动.
- 使用线性编码模型分析神经活动.
- 从行为视频中量化运动模式,评估运动能量和运动刻板印象.
主要成果:
- 解锁期间的神经活动更具变化,并通过线性编码模型更好地解释.
- 脱离相关性与更强的一般运动编码和增加的任务独立运动.
- 虽然整体运动能量是相似的,但在脱离过程中,运动变得不那么刻板,预测任务性能.
结论:
- 运动模式的时间结构作为认知状态的体现签名.
- 脱离期间的特异性运动模式与神经活动和任务参与有关.
- 认知状态过渡体现在神经动态和运动行为的刻板印象中.
更多相关视频
10:19Induction of an Isoelectric Brain State to Investigate the Impact of Endogenous Synaptic Activity on Neuronal Excitability In Vivo
Published on: March 31, 2016
8.2K
13:57Assessing the Multiple Dimensions of Engagement to Characterize Learning: A Neurophysiological Perspective
Published on: July 1, 2015
12.7K
相关概念视频
High-Level and Low-Level Awareness
397
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...
397
Motor Unit Stimulation
2.0K
When the neuron of a motor unit fires an action potential, it triggers a series of events, leading to a twitch contraction in the muscle fibers. The process of excitation-contraction coupling is crucial in relaying the action potential to the muscle fibers.
The latent period of contraction marks the onset of excitation-contraction coupling, when the action potential propagates across the sarcolemma, preparing the muscle fibers for contraction. As the fibers enter the contraction phase, the...
The latent period of contraction marks the onset of excitation-contraction coupling, when the action potential propagates across the sarcolemma, preparing the muscle fibers for contraction. As the fibers enter the contraction phase, the...
2.0K
