压力需要多少钱? 在认知任务期间,焦虑和非焦虑个体的阴道介导心率变化反应的病例对照研究
Daniele Chirco1, Sara Guidotti1, Carlo Pruneti1
1Clinical Psychology, Clinical Psychophysiology, and Clinical Neuropsychology Laboratories, Department of Medicine and Surgery, University of Parma, 43126 Parma, Italy.
Medical sciences (Basel, Switzerland)
|September 26, 2025
概括
降低心率变化 (HRV) 调制区分焦虑症患者,影响压力期间的认知表现. 这项研究突出了较低的阴道介导HRV (vmHRV) 如何表明焦虑症状并损害认知效率.
科学领域:
- 心理生理学 心理生理学
- 认知神经科学 认知神经科学
- 临床心理学 临床心理学
背景情况:
- 心率 (HR) 和心率变化 (HRV) 是心理物理压力的已知指标.
- 健康的个体通常具有高的阴道音调,反映在阴道介导HRV (vmHRV).
- 之前的研究还没有探索焦虑个体和对照人群在认知任务期间的HRV差异.
研究的目的:
- 在认知任务期间调查焦虑受试者和对照者之间的HRV差异.
- 为了确定HRV参数是否可以区分不同程度的状态和特征焦虑的个体.
- 在焦虑和对照组中探索基线HR和认知表现之间的关联.
主要方法:
- 使用国家特征焦虑清单 (STAI-Y) 对国家焦虑 (S-焦虑) 和特征焦虑 (T-焦虑) 的焦虑个体和对照者的比较.
- 心理生理学压力概况 (PSP) 使用心电图 (ECG) 测量HRV (SDNN,RMSSD,HF) 在基线和诱导压力期间.
- 在压力测试期间使用数字跨度前任务进行认知评估.
主要成果:
- 在将样本划分为S-Anxiety时,观察到基线日志-HF和日志-RMSSD的显著差异.
- 在将样本划分为T-Anxiety时,在log-HF反应和恢复方面发现了显著的差异.
- 反应记录-HF和恢复记录-RMSSD显示68%的识别能力来识别T-焦虑的个体. 基线HR与两组数字跨度前绩效相关.
结论:
- 减少HRV调制,与高vmHRV的保护作用相反,可以识别具有显著焦虑症状的个体.
- 损伤HRV调制与患有焦虑症的个体的认知效率受阻有关.
- HRV分析为区分与焦虑相关的压力反应及其对认知的影响提供了潜力.
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