正念训练和炼有不同的影响恐惧灭绝神经电路
Shaked E Leibovitz1, Gunes Sevinc2, Jonathan Greenberg2
1College of Faculty of Arts and Sciences, Harvard University, Cambridge, MA 02138, USA.
Psychological medicine
|September 1, 2023
概括
正念训练通过增加对厌恶刺激的注意力来增强恐惧灭绝学习,从而减少痛苦和改善记忆重新评估. 这与炼计划形成鲜明对比,突出了正念对大脑的独特影响.
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:
- 消除恐惧对情绪健康和恢复力至关重要.
- 正念训练对恐惧灭绝学习的影响仍然不清楚.
- 了解这些机制可以使情绪处理受益.
研究的目的:
- 研究正念训练对大脑恐惧灭绝学习机制的影响.
- 为了比较基于正念的压力减轻 (MBSR) 与基于炼的计划.
主要方法:
- 在8周的MBSR计划 (n=49) 或运动计划 (n=27) 之前和之后,在恐惧灭绝期间调查了BOLD激活.
- 在灭绝范式中使用一种诱发恐惧的暗示.
- 测量大脑活动对提示的反应.
主要成果:
- 两组人都表现出类似的压力减轻.
- 在MBSR组显示突出网络节点激活的独特增加.
- 在MBSR组显示增强的海马活动.
结论:
- 正念训练可以提高对厌恶刺激的注意力.
- 这种增加的注意力有助于减少主观痛苦.
- 正念促进了对恐惧记忆的重新评估.
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