基于特征的Connectome预测建模 认知正念
Isaac N Treves1,2, Aaron Kucyi3, Madelynn Park1,2
1McGovern Institute for Brain Research, Massachusetts Institute of Technology, Cambridge, Massachusetts, USA.
Human brain mapping
|January 9, 2025
概括
这项研究探讨了与特征正念相关的大脑连接,发现了"以意识行动"和"不判断"方面独特的神经模式. 然而,对于正念的强大,可泛化的大脑标记仍然难以确定.
科学领域:
- 神经科学是一个神经科学.
- 心理学 心理学 心理学
- 认知科学 认知科学
背景情况:
- 属性正念,即倾向于当下时刻,非判断性的意识,与积极的心理健康有关.
- 特征正念的神经支尚未得到充分理解,先前的研究集中在默认模式 (DMN),前端-parietal (FPN) 和突出网络.
- 现有研究对研究结果的概括性,与正念组件的关系以及其他大脑网络的参与缺乏清晰度.
研究的目的:
- 通过迄今为止最大的休息状态功能磁共振成像 (fMRI) 研究,研究特征正念的神经相关性.
- 确定特征正念及其子尺度的可概括的大脑连接模型,特别是"以意识行动"和"不评判".
- 探索正念神经模型和思维漫游连接组模型之间的关系.
主要方法:
- 一个预先注册的,基于连接组的预测建模分析,对367名从未进行过冥想的成年人进行了三个独立样本的分析.
- 分析了休息状态fMRI数据,以确定与特征正念及其子尺度相关的大脑连接模式.
- 模型经过训练和测试,以便在不同站点和扫描仪上进行概括.
主要成果:
- 没有发现整体特征正念预测模型,但确定了"以意识行动" (涉及FPN) 和"不判断" (涉及DMN) 积极网络的神经模型.
- 呈现反向连接性的负网络模型在各个子尺度上显著重叠,涉及广泛的脑区域,包括体运动,视觉和DMN网络.
- 只有负网络模型显示部分样本外概括子级分数,预测与思维流浪模型负相关.
结论:
- 初步的神经证据表明,特征正念的特定方面具有不同的连接模型.
- 网站之间有限且不一致的概括凸显了建立强大的正念大脑标志物的困难.
- 未来的研究应该解决模型稳定性和重叠,以更好地了解正念的神经基础.
相关概念视频
Traits, Mood, and Subjective Wellbeing
59
Subjective well-being (SWB) refers to an individual's self-evaluation of their overall life satisfaction, happiness, and fulfillment. This multifaceted construct is typically assessed by analyzing the balance of positive and negative emotions alongside perceptions of life satisfaction. Personality traits such as neuroticism and extraversion are strongly associated with variations in SWB, offering critical insights into the underlying mechanisms of emotional well-being.
Neuroticism and...
Neuroticism and...
59
Trait Theory by Gordon Allport
454
Gordon Allport, often regarded as the father of American personality psychology, developed a theory that emphasized the importance of understanding people in their present lives rather than focusing on their past, as psychoanalysis did. Allport believed that personality should be studied in healthy, well-adjusted individuals rather than those with psychological problems. He was particularly interested in defining traits, which he saw as fundamental mental structures that guide behavior across...
454
Behavioral Genetics and Its Designs
324
Behavior genetics explores how genetic inheritance influences human behavior. It focuses on how genes, passed from parents to offspring, contribute to the development of behavioral traits and tendencies. This branch of genetics seeks to understand the complex interplay between inherited genetic factors and environmental influences in shaping our behaviors.
The primary methodologies used in behavior genetics include family studies, twin studies, and adoption studies, each providing unique...
The primary methodologies used in behavior genetics include family studies, twin studies, and adoption studies, each providing unique...
324
Modeling in Therapy
44
Modeling, a key technique in therapy, uses observational learning to help clients acquire and practice new skills by watching therapists demonstrate desired behaviors. This approach, rooted in Albert Bandura's concept of vicarious learning, plays a significant role in therapeutic interventions for various psychological conditions, including social anxiety, ADHD, and depression.
Participant Modeling
Participant modeling involves therapists demonstrating calm and effective behaviors in...
Participant Modeling
Participant modeling involves therapists demonstrating calm and effective behaviors in...
44


