相关实验视频
Updated: Jun 20, 2025

06:01
Collecting Hair Samples for Hair Cortisol Analysis in African Americans
Published on: June 10, 2018
18.0K
压力负担和认知功能的初步分析以及美国黑人成年人的临床判断认知结果
Wendy M Troxel1, Tamara Dubowitz2, Ann Haas1
1Division of Social and Economic Well-Being, RAND Corporation, Pittsburgh, Pennsylvania, USA.
概括
高压力负担会对老年黑人成年人的认知功能产生负面影响,影响执行和视觉空间技能. 睡眠障碍并没有调解这种关系,这凸显了解决认知健康差异的其他干预措施的必要性.
科学领域:
- 神经科学是一个神经科学.
- 公共卫生 公共卫生
- 老年学是一门学科.
背景情况:
- 痴呆风险的种族差异与黑人美国人的压力和心理痛苦有关.
- 这项研究调查了联合压力因素对老年黑人成年人的认知健康的影响.
研究的目的:
- 估计"压力负担"指数对认知功能和结果的影响.
- 检查睡眠是压力负担和认知能力下降之间的关系中的潜在调解者.
主要方法:
- 匹兹堡的204名黑人成年人 (平均年龄64岁) 完成了压力/焦虑措施 (歧视,心理困扰,PTSD).
- 动图评估睡眠时间/效率;通过电池和临床判断评估认知功能.
- 因果调解分析探讨了压力负担对认知的直接和间接影响,并对共变量进行调整.
主要成果:
- 较高的压力负担与执行功能和视觉空间表现的降低直接相关.
- 睡眠障碍并没有显著调节压力负担对认知功能的影响.
- 没有发现压力负担对临床判断的认知结果有显著的直接或间接影响.
结论:
- 压力负担对老年黑人美国人的执行和视觉空间领域产生负面影响.
- 在这个人群中,睡眠似乎不是压力负担对认知影响的调解途径.
- 需要进一步的研究来确定可修改的途径,以解决与压力相关的认知健康差异.
相关概念视频
Stress and Mental Health
96
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...
96
Lazarus's Cognitive Appraisal Theory
211
Cognitive psychologist Richard Lazarus proposed the cognitive-mediational theory of emotions, which emphasizes how individuals' assessments of stressors significantly affect their experience of stress. According to Lazarus, the stress response is determined by a two-step appraisal process: primary appraisal and secondary appraisal. These cognitive appraisals help individuals evaluate the potential impact of a stressor and determine the adequacy of their coping resources.
Primary Appraisal:...
Primary Appraisal:...
211
Cognitive Development During Adulthood
78
Cognitive development continues throughout adulthood, undergoing significant shifts across early, middle, and late stages. Individual transition occurs from adolescent idealism to pragmatic and adaptable thinking in early adulthood. During this period, individuals learn to integrate personal beliefs with the recognition that other perspectives are equally valid. Exposure to the complexities of modern society, diverse experiences, and higher education contribute to this adaptive thought process,...
78
Psychological Responses to Stress
53
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...
53

