在对疼痛的认知和情感同理心期间,特拉马多尔对大脑活动的影响:一项随机对照研究
Chihiro Suzuki1, Yumiko Ikeda2, Amane Tateno3
1Department of Dental Anesthesiology and Orofacial Pain Management, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan; Tokyo Metropolitan Center for Oral Health of Persons with Disabilities, Tokyo, Japan.
The journal of pain
|September 8, 2024
概括
止痛药特拉马多尔降低了与观察他人疼痛和认知疼痛同情相关的大脑活动. 这表明,特拉马多尔不仅会影响个人疼痛,还会影响代理人的疼痛感知.
科学领域:
- 神经科学是一个神经科学.
- 心理学 心理学 心理学
- 药理学 药理学是指药理学的学科.
背景情况:
- 疼痛感知涉及到个人经验和对他人的疼痛的间接理解 (疼痛同理心).
- 疼痛同理心包括认知和情绪的组成部分,但中央作用的止痛药对这些过程的影响还不太清楚.
研究的目的:
- 为了研究镇痛药特拉马多尔在健康成年人疼痛同理心期间对大脑活动的影响.
- 为了区分特拉马多尔对疼痛同情感的认知与情感方面的影响.
主要方法:
- 这是一项双盲,安慰剂控制,主体内交叉研究,使用功能磁共振成像 (fMRI).
- 采用了两个任务:基于图像的疼痛同理心任务 (实验1) 和一个新的任务,单独评估认知和情感同理心 (实验2).
- 参与者包括33名健康成年人用于实验1和31人用于实验2.
主要成果:
- 在被动观察他人的疼痛时,特拉马多尔降低了边缘上环的激活 (实验1).
- 在对疼痛的认知同理会过程中,特拉马多尔减少了角性的激活 (实验2).
- 特拉马多尔并没有显著改变与对疼痛的情感同理心相关的大脑活动.
结论:
- 像特拉马多尔这样的中心作用止痛药可以调节疼痛同理心的神经处理.
- 特拉马多尔的作用似乎与疼痛同理心的某些组成部分有关,特别是认知方面和对他人的疼痛的视觉处理.
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