休息状态功能连接不能预测中年成年人对心理压力的个人差异:来自预先注册的交叉验证研究的证据
Chrystal Spencer1, Javier Rasero, Rebecca G Reed
1From the Department of Psychology (Spencer, Reed, Gianaros), University of Pittsburgh, Pittsburgh, Pennsylvania; School of Data Science (Rasero), University of Virginia, Charlottesville, Virginia; Department of Psychology & Neuroscience Institute (Verstynen), Carnegie Mellon University, Pittsburgh, Pennsylvania.
Biopsychosocial science and medicine
|February 5, 2025
概括
休息状态功能连接模式没有预测中年成人感知压力. 探索性分析表明,这些大脑模式可以预测年龄,这表明了潜在的未来研究方向.
科学领域:
- 神经科学是一个神经科学.
- 心理学 心理学 心理学
- 医疗成像医学成像
背景情况:
- 理论上,感知到的心理压力具有神经表征.
- 预测感知压力的可靠神经特征仍然没有特征.
研究的目的:
- 调查全脑静止状态功能连接 (FC) 模式是否可以预测感知压力的个体差异.
主要方法:
- 417名中年成人接受了休息状态功能磁共振成像 (fMRI).
- 整个大脑的功能连接被计算为19900个连接.
- 多变量机器学习模型 (弹性网,回归) 用于预测从FC模式感知到的压力.
主要成果:
- 全脑静止状态FC模式无法可靠地预测个人对感知压力的差异.
- 在两个模型中,探索性分析成功地使用静止状态FC模式预测了年龄.
结论:
- 休息状态FC模式可能不是中年成人自我报告感知压力的可靠预测指标.
- 需要进一步的研究来了解感知压力的神经基础.
更多相关视频
相关概念视频
Psychological Responses to Stress
41
Psychological responses to stress encompass the various cognitive and emotional reactions individuals experience when faced with challenging or threatening situations, such as a job loss. Prolonged exposure to stressors can disturb emotional balance, increasing negative emotions (e.g., anxiety and sadness) and diminishing positive emotions (e.g., joy and satisfaction). These persistent emotional shifts are associated with an increased risk of both physical illness and mental health issues, such...
41
Introduction to Stress and Lifestyle
73
Stress is a multifaceted response to events perceived as challenging or threatening, highlighting physical, emotional, cognitive, and behavioral reactions. Physically, stress can lead to fatigue, sleep disruptions, and various health issues such as frequent colds, chest pains, and nausea. Emotionally, it can manifest as anxiety, depression, irritability, and anger triggered by both minor and major life events. Cognitively, it may result in difficulty in concentration, memory, and...
73
Stress and Mental Health
71
Chronic stress profoundly affects mental health, significantly influencing mood, behavior, and overall quality of life. Research closely links chronic stress with mental health conditions such as depression, anxiety, and substance use disorders. Ongoing exposure to stress can lead to physiological and psychological changes, initiating a cycle of emotional distress and maladaptive coping mechanisms.
Individuals with depression often experience challenges in both their personal and professional...
Individuals with depression often experience challenges in both their personal and professional...
71


