前额外深投影神经元通过持续的反监测实现认知灵活性
Timothy Spellman1, Malka Svei1, Jesse Kaminsky1
1Feil Family Brain and Mind Research Institute, Weill Cornell Medicine, New York, NY 10021, USA; Department of Psychiatry, Weill Cornell Medicine, New York, NY 10021, USA.
中间前额叶皮层 (PFC) 神经元通过编码试验反来实现认知灵活性,而不是在注意力设置转移任务期间偏向感官运动反应. 深层PFC神经元对于这种反监控作用至关重要.
科学领域:
- 神经科学
- 认知神经科学
- 行为神经科学
背景情况:
- 对于适应行为至关重要的认知灵活性依赖于前额叶皮层 (PFC) 的活动.
- 通过PFC支持注意力设置转移的特定神经机制仍然不完全理解.
研究的目的:
- 阐明介质PFC神经元在支持注意力设置转移中的作用.
- 研究PFC神经活动如何在认知灵活性任务中编码信息.
主要方法:
- 用光遗传学和双光子成像来监测和操纵PFC神经元活动.
- 在相关动物模型中记录了注意力设置转移任务中的神经活动.
主要成果:
- 在设置转换过程中,中间PFC活动没有直接影响感觉运动反应.
- 发现PFC神经元对试验反信息进行编码,这是其他环境中已知的作用.
- 反编码显示了PFC内部的拓梯度,独立于异性目标,更深的细胞具有更强的选择性.
结论:
- 通过监测行为反, 介质PFC可以实现认知灵活性,
- 深度PFC投射神经元在通过反处理的设置转移中发挥着关键作用.
- 反的神经表现在PFC内以地形组织,受 afferent输入密度的影响.
更多相关视频
09:00Investigating the Function of Deep Cortical and Subcortical Structures Using Stereotactic Electroencephalography: Lessons from the Anterior Cingulate Cortex
Published on: April 15, 2015
07:26Assessment of Stress Effects on Cognitive Flexibility using an Operant Strategy Shifting Paradigm
Published on: May 4, 2020
相关概念视频
Role of Cerebellum and Prefrontal Cortex in Memory
Neuroplasticity
Cognitivism
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...
Association Areas of the Cortex
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,...
Metacognition
Organization of the Brain
Hindbrain
The hindbrain, located at the base of the brain, plays a vital role in regulating automatic processes that sustain life. It includes the medulla oblongata, which is essential for...
