双额头横交替电流刺激对年轻健康成年人口语工作记忆和情节性记忆的长期影响
Haim Raviv1, Nira Mashal2, Oded Meiron2
1Faculty of Education, Bar-Ilan University, Ramat Gan, 5290002, Israel. haim.raviv@biu.ac.il.
Scientific reports
|December 29, 2025
概括
双额头横交替电流刺激 (tACS) 在干预后四周改善了口头工作记忆 (WM) 和情节性记忆. 在健康的成年人中,这种认知增强与前额 teta 功率的持续减少有关.
科学领域:
- 神经科学是一个神经科学.
- 认知心理学 认知心理学
- 神经调节是一种神经调节.
背景情况:
- 工作记忆 (WM) 和情节性记忆是关键的认知功能.
- 像tACS这样的非侵入性脑刺激技术为认知增强提供了潜力.
- 了解神经机制,特别是前额前提振动,基本的记忆功能是很重要的.
研究的目的:
- 研究双额头横交替电流刺激 (tACS) 对口头肌痛的直接和长期影响.
- 检查tACS对与事件相关的定量脑电图 (qEEG) 参数的影响,特别是正面的西塔功率.
- 评估tACS对情节性记忆的影响及其与神经活动的关系.
主要方法:
- 一项随机对照试验 (RCT) 涉及30名健康成年人.
- 连续五次进行双额头tACS或假tACS.
- 在基线,干预后立即和四周后评估WM性能和正面电功率 (qEEG).
- 在四周的随访期间评估情节性记忆的准确性.
主要成果:
- 活跃的tACS组在干预后四周显示出改善的WM性能,与假装组不同.
- 在tACS后立即减少左前额前提达功率,并在活跃组的四周内保持低.
- 活跃的tACS组在四周后表现出增强的情节性记忆精度,与WM编码期间的额头太功率降低相关.
结论:
- 双额头tACS诱导长期可塑性效应,增强口头WM和情节性记忆.
- 通过tACS调节与事件相关的前额前提达功率,在认知改善中起作用.
- 随着时间的推移,tACS显示出作为一种提高人类记忆功能的工具的潜力.
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