环境的复杂性调节信息处理和决策系统之间的平衡
Ugurcan Mugan1, Samantha L Hoffman2, A David Redish1
1Department of Neuroscience, University of Minnesota, Minneapolis, MN, USA.
Neuron
|October 30, 2024
概括
动物的决策适应复杂的环境,使用相互竞争的神经系统. 背中介前额叶皮层 (dmPFC) 平衡海马 (HC) 和条纹体 (DLS) 活动,以适应食行为.
科学领域:
- 神经科学是一个神经科学.
- 行为科学 行为科学
- 认知科学 认知科学
背景情况:
- 自然主义行为涉及复杂的环境和相互竞争的神经系统.
- 以前的动物决策研究经常使用简化的环境.
- 了解复杂环境中的神经电路动态对于适应性策略至关重要.
研究的目的:
- 在复杂的环境中寻找食物时,研究海马体 (HC),背侧条纹体 (DLS) 和背中前额叶皮质 (dmPFC) 中的神经合体活动.
- 阐明这些大脑区域在不同环境复杂性和规则下决策中的作用.
- 探索神经决策系统之间的竞争和dmPFC的监管功能.
主要方法:
- 在不断变化的规则和不同的环境复杂性下,在老鼠食中记录了HC,DLS和dmPFC的神经组合.
- 分析了行为变异性,HC非局部序列和动作缓存.
- 利用dmPFC的失活来评估其在行为适应和决策系统平衡中的因果作用.
主要成果:
- 环境复杂性增加了行为变异性,延长了HC非局部序列和调制的动作缓存.
- 在DLS和HC之间观察到对比的神经表示,这表明系统竞争.
- dmPFC活动预测了HC和DLS参与之间的平衡,其无活化损害了适应.
结论:
- 决策系统表现出由环境复杂性调节的动态参与.
- 在平衡适应性行为竞争的神经系统方面,dmPFC起着至关重要的作用.
- 结果提供了对自然主义决策及其神经支的见解.
相关概念视频
01:20Parallel Processing
145
The brain processes sensory information rapidly due to parallel processing, which involves sending data across multiple neural pathways at the same time. This method allows the brain to manage various sensory qualities, such as shapes, colors, movements, and locations, all concurrently. For instance, when observing a forest landscape, the brain simultaneously processes the movement of leaves, the shapes of trees, the depth between them, and the various shades of green. This enables a quick and...
145
01:37Reason and Intuition
6.4K
The human brain processes information for decision-making using one of two routes: an intuitive system and a rational system (Epstein, 1994; popularized by Kahneman, 2011 as System 1 and System 2, respectively). The intuitive system is quick, impulsive, and operates with minimal effort, relying on emotions or habits to provide cues for what to do next, while the rational system is logical, analytical, deliberate, and methodical. Research in neuropsychology suggests that the...
6.4K
01:20Decision Making
93
Decision-making is a fundamental cognitive process that involves evaluating alternatives and selecting among them. This process can range from simple choices, such as deciding what to wear, to complex decisions, like choosing a major in college or a career path. The complexity of the decision often dictates the approach we use, which can be broadly categorized into two types: automatic and controlled decision-making.
Automatic decision-making is fast, intuitive, and relies on gut feelings...
Automatic decision-making is fast, intuitive, and relies on gut feelings...
93
01:30Information Processing Approach
30
The information-processing theory of cognitive development centers on fundamental mental processes, including attention, memory, and problem-solving skills. Researchers in this field examine how cognitive abilities, such as working memory, evolve and influence children's overall development. Studies indicate that children with stronger working memory tend to excel in reading comprehension, math, and problem-solving compared to peers with less efficient memory skills. Low working memory is...
30
01:28Perception
438
Perception is a fundamental psychological process that enables individuals to organize, interpret, and consciously experience sensory information. This process is crucial for understanding and interacting with the world around us. It includes both bottom-up and top-down processing, each playing a distinct role in how we perceive our environment.
Bottom-up processing begins at the sensory level, where receptors detect external environmental stimuli. These could include the tactile sensation of...
Bottom-up processing begins at the sensory level, where receptors detect external environmental stimuli. These could include the tactile sensation of...
438
01:01Neuroplasticity
303
Neuroplasticity reflects the brain's remarkable capacity to adapt and evolve, responding dynamically to learning, experiences, or injury by reorganizing its neural circuitry. This reorganization involves creating new neural connections and refining old ones through a series of biological processes that contribute to the brain's lifelong development and adaptability.
303