慢性压力与为获得奖励而付出努力的动机之间的反向U形关系
Wei Yi1, Xin Li1, Wangxiao Chen1
1School of Psychology, Shenzhen University, Shenzhen, China.
Neurobiology of stress
|April 17, 2025
概括
慢性压力会影响人们为获得奖励而工作的动机. 适度的压力水平显示出最佳的动机,而低或高的压力会减少努力,影响心理健康的弹性.
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:
- 动机缺陷是与压力相关的精神疾病的关键.
- 关于慢性压力,基于努力的动机和神经支的研究有限.
研究的目的:
- 调查慢性压力和基于努力的动机之间的关系.
- 使用EEG探索这种关系背后的神经机制.
- 检查慢性压力如何影响奖励处理和决策.
主要方法:
- 九十名为重大考试准备的本科生通过了EEG记录的努力奖励任务.
- 使用感知压力尺度 (PSS) 评估慢性压力.
- 分析行为数据和脑电图 (EEG) 信号,包括奖励积极性 (RewP),使用漂移扩散模型 (DDM).
主要成果:
- 与遗漏相比,奖励交付增加了 RewP 幅度,特别是对于更高的奖励.
- PSS得分与动机指标 (接受率,漂移率,ΔRewP) 呈现出一个反转的U形关系.
- 与中等水平相比,在低和高的慢性压力水平上观察到动机减少.
结论:
- 一个反转的U形曲线描述了慢性压力与动机之间的联系.
- 适度的压力可能是最佳的基于努力的动机,而极端的压力会损害它.
- 研究结果提供了关于压力相关疾病的脆弱性和弹性方面的见解.
相关概念视频
Stress and Mental Health
59
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...
59
Psychological Responses to Stress
25
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...
25
Stress Prevention and Stress Management Techniques VI
21
Adopting a healthier lifestyle often requires overcoming significant challenges, but leveraging psychological, social, and cultural resources can facilitate meaningful change. Effective self-change hinges on understanding and applying key tools such as motivation and goal setting, which help sustain efforts toward long-term health benefits.
Motivation and Self-Determination
Motivation, the driving force behind behavior, plays a pivotal role at every stage of the change process. The research...
Motivation and Self-Determination
Motivation, the driving force behind behavior, plays a pivotal role at every stage of the change process. The research...
21
Stress Prevention and Stress Management Techniques II
20
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...
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...
20
Introduction to Stress and Lifestyle
46
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...
46
Incentive Theory: Pull Theory of Motivation
305
Incentive theory, or the "pull theory" of motivation, suggests that external rewards primarily drive behavior. Individuals are motivated to engage in activities when they anticipate a desirable outcome. This is why people often work hard for promotions or study intensively to achieve high grades. These incentives can be tangible, physical rewards such as money or promotions, or intangible, non-physical rewards like praise and social recognition.
The theory differentiates between...
The theory differentiates between...
305


