论著

40Hz光闪烁刺激诱发青年学生大脑皮层活动的研究

  • 王莹彤 ,
  • 马琦
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  • 1苏州大学大学生心理健康教育研究中心,苏州 215000;
    2苏州大学教育学院,苏州 215000
王莹彤,苏州大学大学生心理健康教育研究中心专职教师,中国心理学会注册督导师,江苏省心理卫生协会理事。擅长复杂创伤的整合干预与督导。研究方向为复杂创伤的神经机制和临床干预中的脑功能调节。
*马琦mxqiflc@163.com

网络出版日期: 2025-03-20

基金资助

江苏高校哲学社会科学研究一般项目(2019SJA 1219)

Study on Cerebral Cortex Activity Induced by 40Hz Light Flicker in College Students

  • WANG Yingtong ,
  • MA Qi
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  • 1Research Center for College Student Mental Health Education, Soochow University, Suzhou 215000, China;
    2School of Education, Soochow University, Suzhou 215000, China
* MA Qi,mxqiflc@163.com

Online published: 2025-03-20

摘要

目的: 探究40 Hz光闪烁刺激对大脑皮层活动的影响,探讨一种潜在的治疗认知神经疾病的方案。
方法: 以苏州大学在校本科生、研究生为对象,对19名学生进行对比度阈限后效(contrast threshold elevation aftereffect,TEAE)实验,实验组接受40Hz光闪烁刺激的训练,控制组则接受30Hz光闪烁刺激训练,观察和比较TEAE大小和训练过程的击中率和反应时。
结果: 实验组被试在训练后TEAE显著下降(p=0.019),控制组在训练后未有显著变化,但被试训练前后TEAE变化量在两组间的差异无统计学意义。
结论: 40 Hz光闪烁刺激可能有诱发人类初级视觉皮层活动并调控伽马振荡的趋势,但在当前实验背景下未能明显表现出来。40 Hz光闪烁刺激用于调控人类皮层活动需更深入的研究。

本文引用格式

王莹彤 , 马琦 . 40Hz光闪烁刺激诱发青年学生大脑皮层活动的研究[J]. 心理学通讯, 2024 , 7(3) : 168 -175 . DOI: 10.12100/j.issn.2096-5494.224022

Abstract

Objective: To study the effect of 40 Hz light flicker stimulation on cerebral cortex activity and to explore a potential treatment option for cognitive neurological disorders.
Methods: A contrast threshold elevation aftereffect (TEAE) experiment was conducted on 19 undergraduate and graduate students at Soochow University. The experimental group was trained with 40 Hz light flicker stimulation, while the control group was trained with 30 Hz light flicker stimulation. Observe and compare the size of TEAE, as well as the hit rate and reaction time during the training process.
Results: The TEAE of experimental group significantly decreased after training (p<0.05), while the control group did not change significantly after training. However, the difference in the amount of change in TEAE between experimental and control groups before and after the training was not statistically significant.
Conclusion: These results indicated that 40 Hz light flicker may have a tendency to induce the human primary visual cortex activity and modulate gamma oscillations, but it was not clearly demonstrated in the current experimental context. The application of 40 Hz light flicker in the regulation of human cortical activity needs deeper and further research.

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