在健康的年轻成年人中,心脏交感-副交感活动和精神化过程中的反应性
Bo-Cheng Hsu1, Chia-Ying Weng1
1Department of Psychology, National Chung Cheng University, Chiayi, Taiwan.
概括
有效的精神化需要平衡的心脏自主控制. 较低的交感和较高的副交感活动,以及减少的交感反应能力,显著提高了年轻成年人的精神表现.
科学领域:
- 心理生理学 心理生理学
- 社会神经科学是一种社会神经科学.
- 认知科学 认知科学
背景情况:
- 精神化,即理解心理状态的能力,取决于自我调节和社会认知.
- 心脏自主神经系统 (ANS) 活动,特别是副交感神经系统 (PSNS) 和交感神经系统 (SNS) 分支,影响这些过程.
- 对于SNS活动及其与PSNS的相互作用在心智化中的作用还不清楚.
研究的目的:
- 调查休息和与任务相关的心脏SNS和PSNS活动和反应与精神化表现之间的关联.
- 检查心脏ANS反应的调解作用在休息时的ANS活动和思维之间的关系.
主要方法:
- 在120名健康的年轻成年人中,同时评估心脏PSNS和SNS活动,分别使用心率变化和缩时间间隔.
- 在精神化任务期间测量了相性心脏ANS反应性.
- 用等级回归分析来检查这些关系.
主要成果:
- 较高的休息PSNS活动和较低的休息SNS活动共同与更好的心理表现有关.
- 心脏SNS反应性降低,而不是PSNS反应性,是精神化表现的更强有力的预测因素.
- 心脏SNS的反应性介导了休息心脏自主活动和思维之间的联系.
结论:
- 心脏PSNS和SNS控制对于支持心理化等社会认知处理至关重要.
- 有效调节生理性兴奋,特别是同情性兴奋,对于精神化至关重要.
- 综合性心理生理学模型的社会认知应该结合心脏ANS的两个分支.
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