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相关概念视频

Stress and Mental Health01:30

Stress and Mental Health

159
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...
159
Psychological Responses to Stress01:20

Psychological Responses to Stress

54
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...
54
Introduction to Stress and Lifestyle01:27

Introduction to Stress and Lifestyle

118
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...
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Stress Prevention and Stress Management Techniques II01:23

Stress Prevention and Stress Management Techniques II

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Personality types, particularly Type A and Type B, significantly influence how individuals respond to stress. These personality distinctions are marked by varying levels of ambition, competitiveness, and coping styles, all of which shape an individual's resilience to stressors.
Type A Personality: Driven and Easily Stressed
Individuals with Type A personalities are often highly competitive and ambitious and operate with a strong sense of urgency. Commonly labeled as...
41
Types of Stressors01:23

Types of Stressors

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A stressor is any event, condition, or stimulus that triggers stress and causes a physical or psychological response in the body. Stressors can be categorized into three main types: catastrophes; significant life changes; and daily hassles, including social stress. Each can be detrimental to physical and mental well-being.
Catastrophes
Catastrophes refer to large-scale, unpredictable events that create overwhelming stress and a sense of threat. Examples include natural disasters like...
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基于机器学习的分类分析知识工作者的心理压力分析.

Hyunsuk Kim1, Minjung Kim1, Kyounghyun Park1

  • 1Mobility UX Research Section, Electronics and Telecommunications Research Institute, Daejeon, Republic of Korea.

Frontiers in public health
|November 29, 2023
PubMed
概括
此摘要是机器生成的。

这项研究表明,可穿戴式手表可以使用心率 (HR) 等生物信号来分类压力. 精确的应力检测需要持续超过2-3分钟的生理数据测量.

关键词:
心率是指心率是如何发生的.知识工作者是知识工作者.机器学习是机器学习.精神上的压力,精神上的压力.摄影复合声学 (photoplethysmography) 是一种摄影仪.脉率变化的脉率变化.

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科学领域:

  • 生物医学工程 生物医学工程
  • 可穿戴技术可穿戴技术
  • 人与计算机的交互

背景情况:

  • 工作场所的压力会对员工的幸福感和生产力产生负面影响.
  • 客观压力测量具有挑战性,但不会破坏工作活动.
  • 可穿戴设备提供了一种非侵入性的生理数据收集方法.

研究的目的:

  • 用可穿戴手表的生物信号数据评估分类压力和非压力状态的性能.
  • 评估工作活动期间不引人注目的压力监测的可行性.
  • 为了确定压力检测的最佳特征和分类方法.

主要方法:

  • 参与者戴着Galaxy Watch3,在诱导压力和放松任务期间收集心率 (HR) 和光电脉冲扫描数据.
  • 使用k-NN,SVM,决策树 (DT),物流回归 (LR),随机森林 (RF) 和多层感知器 (MLP) 算法构建了分类模型.
  • 使用Leave-One-Subject-Out交叉验证 (LOSO-CV) 来进行绩效评估.

主要成果:

  • 最好的9个特征,包括HR指标 (平均值,最低值),NNI,SDNN,vLF,HF,LF,LF/HF比率和总功率,产生了最佳的分类性能.
  • 最佳模型实现了0.817的精度和0.801.801的F1得分.
  • 精确的压力状态区分需要超过2-3分钟的生理数据收集时间.

结论:

  • 可穿戴生物信号监测是对工作环境中的压力和非压力状态进行分类的可行方法.
  • 具体的HR和心率变化特征对于有效的压力分类至关重要.
  • 充分的数据采样时间对于使用可穿戴技术可靠地检测压力至关重要.