静止状态功能连接在条形和正面网络中的差异与任务行为相关,这些行为是由游戏化的两阶段决策任务引起的
Maja Brydevall1, Chao Suo1, Lucy Albertella1
1Monash University, BrainPark, Monash Biomedical Imaging, Turner Institute for Brain and Mental Health, School of Psychological Sciences, 770 Blackburn Road, Clayton, VIC 3168, Australia.
这项研究通过将其结果与静止状态的功能连接性联系起来,验证了游戏化的决策任务. 这些发现揭示了与习惯性与目标导向行为相关的神经网络差异.
科学领域:
- 神经科学是一个神经科学.
- 认知心理学 认知心理学
- 决策研究 决策研究
背景情况:
- 两个阶段的决策任务区分了无模型 (常规) 和基于模型 (目标导向) 的策略.
- 开发了一个游戏化版本,以增强对这项任务的参与和理解.
- 休息状态功能连接 (rsFC) 提供了对内在大脑网络组织的见解.
研究的目的:
- 为了在神经生物学上验证一个新的游戏化的两阶段决策任务.
- 在健康的成年人中研究任务的权重参数 (w) 和rsFC之间的关联.
- 确定rsFC差异是否反映了习惯性与目标导向决策过程.
主要方法:
- 对48名健康成年人进行了游戏化修改的两阶段任务.
- 休息状态功能连接 (rsFC) 用基于种子的分析来测量.
- 权重参数 (w) 与与决策相关的网络内的rsFC相关.
主要成果:
- 较低的权重参数 (w) (习惯性行为) 与减少的rsFC相关,在涉及核 (NAc) 和上边回环的网络中,以及在丘脑和前皮之间.
- 较高的权重参数 (w) (目标导向行为) 与前极和尾极之间的rsFC增加有关.
- 下额和上额之间的连接与下 (w) 值有关.
结论:
- 游戏化的两阶段任务成功地捕捉了决策策略中的个人差异.
- 观察到的rsFC模式与习惯形成和目标导向控制的神经相关性保持一致.
- 这种游戏化任务是研究决策神经生物学的一个有希望的工具.
更多相关视频
09:01A Method for Investigating Age-related Differences in the Functional Connectivity of Cognitive Control Networks Associated with Dimensional Change Card Sort Performance
Published on: May 7, 2014
08:36Dynamic Inter-subject Functional Connectivity Reveals Moment-to-Moment Brain Network Configurations Driven by Continuous or Communication Paradigms
Published on: March 21, 2019
相关概念视频
Fixed Action Patterns
Neural Circuits
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...
Functional Brain Systems: Reticular Formation
Within the reticular formation, there are several distinct nuclei that can be classified into three broad categories. The Raphe nuclei are located along the midline of the brainstem. They are primarily known for their role in synthesizing and releasing serotonin, a neurotransmitter involved in regulating mood, appetite, sleep, and circadian rhythms. The...
High-Level and Low-Level Awareness
Decision Making
Automatic decision-making is fast, intuitive, and relies on gut feelings...
Traits and States
