通过频率响应测试,揭示神经元组合中的神经共振
Peng Zhang1, Liuye Yao1, Tianyi Yang1
1Department of Biomedical Engineering, Key Laboratory of Multi-modal Brain-Computer Precision Drive Ministry of Industry and Information Technology, Key Laboratory of Digital Medical Equipment and Technology of Jiangsu Province, Nanjing University of Aeronautics and Astronautics, Nanjing, 210016, China.
Scientific reports
|December 4, 2025
概括
使用近红外光的光生物调制可以通过刺激神经共振来增强大脑功能. 特定频率 (60-80赫兹和120-140赫兹) 对大脑活动产生最强烈的影响.
科学领域:
- 神经科学是一个神经科学.
- 生物医学工程 生物医学工程
- 照相医疗 (photomedicine) 是一种医学.
背景情况:
- 光生物调制 (PBM) 具有促进大脑功能和治疗神经系统疾病的潜力.
- 目前对PBM的机制和最佳频率参数的理解仍然有限.
- 在确定不同刺激频率如何影响神经反应方面存在重大研究差距.
研究的目的:
- 为了研究神经系统共振的假设.
- 为了确定跨膜光生物调制 (tPBM) 的最佳频率参数.
- 探索不同TPBM频率对神经活动和脑血液动力学的影响.
主要方法:
- 在小鼠大脑上使用脉冲式横近红外光 (10-200 Hz) 进行频率响应测试.
- 通过分析大脑血流和氧化血红蛋白度来监测神经反应.
- 在皮层和深层大脑区域评估神经生理活动.
主要成果:
- 观察到在特定频段内的皮层和深层大脑区域的明显神经反应:60-80 Hz和120-140 Hz.
- 这些发现表明神经系统内可能存在共振频率.
- 神经活动是由外部刺激调节的,当刺激频率与共振频率保持一致时达到峰值.
结论:
- 神经系统表现出共振现象,对特定共振频率的刺激做出最大反应.
- 在已识别的共振频率上进行跨膜光生物调制可以有效调节神经活动.
- 这些结果为开发神经调制的新理论框架和治疗策略提供了基础.
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