威胁和剥夺对新兴成年人潜在特征皮质醇的独特和互动效应
Catherine B Stroud1, Frances R Chen2, Esmeralda Navarro1,3
1Department of Psychology, Williams College, Williamstown, Massachusetts, USA.
Developmental psychobiology
|May 3, 2024
概括
早期生命威胁,如虐待,在新兴成年人中独特地影响下丘脑垂体上腺 (HPA) 轴活动. 这种关系受到其他同时发生的不利因素的影响.
科学领域:
- 心理学 心理学 心理学
- 神经内分泌学神经内分泌学
- 压力研究 压力研究
背景情况:
- 逆境的维度模型和心理病理学提出了不同的逆境维度.
- 之前的研究还没有澄清威胁和剥夺以及下丘脑垂体上腺 (HPA) 轴活动之间的独特联系.
研究的目的:
- 研究威胁和剥夺对潜在特征皮质醇 (LTC) 的独特和互动效应.
- 为了确定是否同时发生的不利因素会改变这些对HPA轴活动的影响.
主要方法:
- 新兴成年人 (n=90) 提供了多个波的唾液皮质醇样本.
- 皮质醇每天测量四次 (清醒,清醒后30分钟,清醒后45分钟,睡觉时).
- 早期的逆境通过背景生活压力访谈来评估.
主要成果:
- 威胁,特别是其发生率和频率,与跨波LTC独特而负面地相关.
- 剥夺和其他同时发生的不利情况与LTC没有独特的关系.
- 威胁严重程度与LTC的关联取决于缺乏剥夺.
结论:
- 威胁性早期逆境对新兴成年人中HPA轴调节有明显的影响.
- 同时发生的逆境可以调节威胁暴露和HPA轴活动之间的关系.
相关概念视频
Introduction to Stress and Lifestyle
105
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...
105
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
Cognitive Dissonance
32.6K
Social psychologists have documented that feeling good about ourselves and maintaining positive self-esteem is a powerful motivator of human behavior (Tavris & Aronson, 2008). In the United States, members of the predominant culture typically think very highly of themselves and view themselves as good people who are above average on many desirable traits (Ehrlinger, Gilovich, & Ross, 2005). Often, our behavior, attitudes, and beliefs are affected when we experience a threat to our...
32.6K
Hypothalamic-Pituitary Axis
59.9K
The response to stress—be it physical or psychological, acute or chronic—involves activation of the Hypothalamic-Pituitary-Adrenal (HPA) axis. The HPA axis is part of the neuroendocrine system because it involves both neuronal and hormonal communication. Its function is to regulate homeostatic systems—metabolic, cardiovascular, and immune—providing the necessary means to respond to a stressor.
59.9K
Self-Discrepancy Theory
18.3K
One influential perspective on what motivates people's behavior is detailed in Tory Higgin's self-discrepancy theory (Higgins, 1987). He proposed that people hold disagreeing internal representations of themselves that lead to different emotional states.
18.3K
Deindividuation
26.4K
Deindividuation is a form of social influence on an individual’s behavior such that the individual engages in unusual or non-normal behavior while in a group setting. Why? Because in these group settings, the individual no longer sees themselves as an individual anymore, disinhibiting their behavior and personal restraint.
26.4K


