听觉刺激的类似动态前额皮层表现,预示相反的行为和奖励
Pingbo Yin1, Susanne Radtke-Schuller2, Jonathan B Fritz3
1Institute for Systems Research & Department of Electrical and Computer Engineering, University of Maryland College Park, Maryland, USA.
额叶皮层 (FC) 处理的感官刺激类似,无论行为背景. 在FC中神经元活动和β频段功率反映了动作变化,而不是特定的任务规则,支持自适应运动控制模型.
科学领域:
- 神经科学是一个神经科学.
- 认知神经科学 认知神经科学
- 系统神经科学 系统神经科学
背景情况:
- 额叶皮质 (FC) 对于动作控制和对感官刺激的反应动态至关重要.
- 了解FC如何代表基于上下文的信息可能具有相反的行为含义的信息是关键.
研究的目的:
- 在不同的任务环境中,研究前额皮层对相同刺激的表现,其对立的行为意义.
- 探索FC中神经元活动和局部场势如何编码任务依赖的信息.
主要方法:
- 两组子执行了Go-NoGo听觉分类任务,并逆转了意外情况和奖励.
- 单个单元记录和局部场势 (LFP) 分析,专注于β频带功率,在额叶皮层进行.
- 采用了神经反应概况和人口解码技术.
主要成果:
- 单个单元响应在FC中对于跨任务的相同刺激是相似的,对目标声音 (信号动作变化) 比参考声音 (指示动作维持) 更强烈.
- 确定了三种不同的动态响应配置文件,形成具有不同作用的神经元集群.
- 在FC LFP中,β频段功率在目标刺激期间表现出类似的强度调节,而不管对立的行为行为.
结论:
- 前皮质编码刺激驱动的行动变化,而不是特定的任务规则或行为结果.
- 这些发现支持从FC神经元到基底来适应性运动控制的特定途径投射模型.
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
09:13A Fully Automated and Highly Versatile System for Testing Multi-cognitive Functions and Recording Neuronal Activities in Rodents
Published on: May 3, 2012
相关概念视频
Motor and Sensory Areas of the Cortex
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 cortex....
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,...
Somatosensory, Motor, and Association Cortex
Cerebral Hemispheres
Auditory Pathway
When viewed cross-sectionally, the cochlea reveals the scala vestibuli and scala tympani flanking...
Lobes of the Cerebrum
Frontal lobe
The frontal lobes, located behind the forehead, are the command center of our brain, controlling personality, intelligence, and voluntary muscle movements....
