通过在相同的神经通路内合频率来解离代理和经验奖励
Philip T Putnam1, Cheng-Chi J Chu1, Nicholas A Fagan1
1Department of Psychology, Yale University, New Haven, CT 06511, USA.
Neuron
|June 22, 2023
概括
大脑区域通过不同的神经协调频率来区分代理和经验奖励. 这项研究突出了前带状皮质和底侧桃体的相互作用如何支持社会学习和决策.
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
- 社会神经科学是一种社会神经科学.
背景情况:
- 代理奖励对于社会学习和决策至关重要,理论上与经验奖励相似的大脑区域.
- 区分代理和经验丰富的奖励对于有效的社交互动至关重要.
研究的目的:
- 在代理与经验丰富的奖励场景中,研究灵长类动物前带带皮层旋转 (ACCg) 和底侧杏仁体 (BLA) 之间的神经相互作用.
- 根据通过社会选择获得的奖励类型,确定神经通信模式如何不同.
主要方法:
- 在灵长类动物中记录了神经元活动,特别是来自ACCG的尖峰列车和来自BLA的局部场潜力 (LFP).
- 在涉及社会选择导致代理或经验奖励的任务期间,分析了ACCG尖峰和BLALFP之间的连贯性 (频率特定同步).
主要成果:
- 在马频率中,ACCG峰值和BLA LFP之间的一致性选择性地增加,以获得代理奖励.
- 对于经验丰富的奖励,一致性在α/β频率上有选择性地增加.
- 这些独特的频率合是在自愿选择后观察到的,从ACCg到BLA的方向影响是一致的.
结论:
- 在奖励处理中的社会代理被ACCG-BLA路径中的区域间协调频率潜在地标记.
- 独特的神经协调频率促进大脑区分代理和经验奖励的能力,支持社会互动.
更多相关视频
05:22Dissociation of the Confounding Influences of Expectancy and Integrative Difficulty Residing in Anomalous Sentences in Event-related Potential Studies
Published on: May 9, 2019
5.4K
10:50Behavioral Determination of Stimulus Pair Discrimination of Auditory Acoustic and Electrical Stimuli Using a Classical Conditioning and Heart-rate Approach
Published on: June 6, 2012
14.6K
相关概念视频
01:22Muscle Stimulation Frequency
2.3K
The contraction strength of muscles is regulated by motor neurons, which modulate the frequency of action potentials dispatched to the motor units based on the body's requirements. This process of varying the muscle stimulation frequency allows muscles to contract with a force that is precisely tailored to the needs of the moment, whether lifting a feather or a heavy box.
Wave summation
At low firing rates, motor neurons induce individual twitch contractions in muscle fibers. These twitches...
Wave summation
At low firing rates, motor neurons induce individual twitch contractions in muscle fibers. These twitches...
2.3K
01:25Neural Circuits
1.3K
Neural circuits and neuronal pools are two of the main structures found in the nervous system. Neural circuits are networks of neurons that work together to carry out a specific task or process. They consist of interconnected neurons and glial cells, which provide structural and metabolic support.
Neuronal pools are collections of nerve cells with similar functions and interact through chemical and electrical signals. These pools include both interneurons (the central neural circuit nodes that...
Neuronal pools are collections of nerve cells with similar functions and interact through chemical and electrical signals. These pools include both interneurons (the central neural circuit nodes that...
1.3K
01:15Auditory Pathway
5.5K
Auditory pathways constitute the complex neural circuits responsible for transmitting and interpreting auditory information from the peripheral auditory system to the brain. Sound waves are initially captured by the outer ear, funneled through the ear canal, and reach the tympanic membrane (eardrum). These vibrations are transmitted via the middle ear's ossicles to the inner ear's cochlea.
When viewed cross-sectionally, the cochlea reveals the scala vestibuli and scala tympani flanking...
When viewed cross-sectionally, the cochlea reveals the scala vestibuli and scala tympani flanking...
5.5K
01:23Propagation of Action Potentials
6.0K
The propagation of an action potential refers to the process by which a nerve impulse, or "action potential," travels along a neuron.
Neurons (nerve cells) have a resting membrane potential, with a slightly negative charge inside compared to outside. This is maintained by ion channels, such as sodium (Na+) and potassium (K+) channels, which control the flow of ions. When a stimulus, like a touch or a signal from another neuron, triggers the neuron, sodium channels open, allowing sodium ions to...
Neurons (nerve cells) have a resting membrane potential, with a slightly negative charge inside compared to outside. This is maintained by ion channels, such as sodium (Na+) and potassium (K+) channels, which control the flow of ions. When a stimulus, like a touch or a signal from another neuron, triggers the neuron, sodium channels open, allowing sodium ions to...
6.0K
01:41Action Potentials
131.6K
Overview
131.6K
01:28Electrical Synapses
8.4K
Electrical synapses found in all nervous systems play important and unique roles. In these synapses, the presynaptic and postsynaptic membranes are very close together (3.5 nm) and are actually physically connected by channel proteins forming gap junctions.
Gap junctions allow the current to pass directly from one cell to the next. In contrast, in the chemical synapse, the neurotransmitters carry the information through the synaptic cleft from one neuron to the next. They consist of two...
Gap junctions allow the current to pass directly from one cell to the next. In contrast, in the chemical synapse, the neurotransmitters carry the information through the synaptic cleft from one neuron to the next. They consist of two...
8.4K