高清超直流刺激对疼痛调节和压力诱导的超痛症的影响
Constantino Toufexis1, Molly Macgregor1, Aidan Lewis1
1Faculty of Health, Discipline of Psychology, University of Canberra, Canberra, ACT, Australia.
British journal of pain
|June 21, 2023
概括
在背侧前额皮质 (DLPFC) 上进行的阳横直流刺激 (tDCS) 增强了疼痛调节能力. 然而,这种干预措施并没有改变健康成年人的疼痛敏感性或压力诱导的过敏症.
科学领域:
- 神经科学是一个神经科学.
- 疼痛管理 疼痛管理
- 神经调节是一种神经调节.
背景情况:
- 脊侧前额皮层 (DLPFC) 在调节疼痛信号方面发挥作用.
- 针对DLPFC的跨直流刺激 (tDCS) 可能会影响疼痛调节.
- 急性压力可以增加疼痛敏感性.
研究的目的:
- 调查阳道高清tDCS (HD-tDCS) 对DLPFC对疼痛调制和敏感性的影响.
- 为了确定DLPFC刺激是否会影响压力诱导的过敏症.
主要方法:
- 40名健康成年人接受了活跃或假的HD-tDCS (10分钟2mA),阳极位于左侧的DLPFC.
- 使用特里尔社会压力测试诱导了急性压力.
- 通过有条件疼痛调节来评估疼痛调节,通过压力疼痛值来评估疼痛敏感性.
主要成果:
- 活跃的HD-tDCS与假药相比显著增加了疼痛调节能力.
- 没有观察到疼痛敏感度的显著变化.
- 活跃的HD-tDCS并没有减轻压力诱导的过敏症.
结论:
- 在DLPFC上的阳极HD-tDCS增强了内源性疼痛调节.
- 这种干预措施在急性压力背景下没有影响疼痛敏感性或过敏症.
- DLPFC是基于tDCS的疼痛管理策略的潜在目标,特别是用于增强疼痛调节.
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