跨交替电流刺激改变了听觉稳定状态振荡节奏及其交叉频率合
Sara de la Salle1,2, Joëlle Choueiry1,3, Mark Payumo4
1Clinical Neuroelectrophysiology and Cognitive Research, The Royal's Institute of Mental Health Research, Ottawa, ON, Canada.
Clinical EEG and neuroscience
|June 12, 2023
概括
在健康的参与者中,theta跨交替电流刺激 (tACS) 调节了40Hz听觉稳定状态响应 (ASSR). 这表明tACS可能有助于针对各种大脑疾病中的听觉可塑性.
科学领域:
- 神经科学是一个神经科学.
- 听觉神经科学 听觉神经科学
- 计算神经科学是一种神经科学.
背景情况:
- 精神分裂症与听觉皮质可塑性缺陷有关,通常使用脑电图 (EEG) 生物标志物测量,如40Hz听觉稳定状态响应 (ASSR).
- 了解40 Hz ASSR背后的振荡机制对于开发针对听觉可塑性的干预措施至关重要.
研究的目的:
- 在健康个体中研究跨交替电流刺激 (tACS) 对40 Hz ASSR的影响.
- 探索不同的tACS频率 (gamma和theta) 如何影响听觉皮质振荡及其合.
主要方法:
- 23名健康参与者接受了双边叶tACS在玛或太频率,或假刺激.
- 在刺激前和刺激期间使用EEG记录了40Hz的ASSR.
- 分析的重点是马功率的变化,相锁定和马相振幅交叉频率合.
主要成果:
- 马tACS没有显著改变40Hz的ASSR.
- 与假的相比,theta tACS在40Hz的ASSR中降低了马功率和相锁定.
- 乙太tACS增加了乙太-马相振幅交叉频率合.
结论:
- 调节频率的tACS,特别是theta刺激,可以通过改变马活动和交叉频率合来调节40Hz的ASSR.
- 这些发现表明,tACS是调节健康和患病大脑的听觉可塑性的潜在工具,为精神分裂症等疾病提供治疗可能性.
关键词:
审计稳定状态响应 (ASSR)电脑电图 (EEG) 的振荡.与事件相关的光谱扰动 (ERSP)阶段锁定因子是相位锁定因子.权力,权力,权力,权力.精神分裂症是一种精神分裂症.乙太 - 马相振幅交叉频率合 (PAC)跨骨交替电流刺激更多相关视频
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