| 训练时间对上肢MI侧向性识别的影响研究 |
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| 引用本文： | 李敏,赵丽,边琰,李嘉莹.训练时间对上肢MI侧向性识别的影响研究[J].国外电子测量技术,2021,40(2):78-82. |
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| 作者姓名： | 李敏 赵丽 边琰 李嘉莹 |
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| 作者单位： | 天津职业技术师范大学天津市信息传感与智能控制重点实验室 天津300222 |
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| 摘 要： | 研究了短时间内的时间效应是否影响基于支持向量机模型的运动想象脑电信号分类准确率。实验中每名被试每天早晚各训练一次,分别采集第3、5、7d的数据。以左手为例,随着训练天数的增加,C4导联事件相关去同步现象加深,即能量衰减值增大且不同训练天数的能量衰减值之间属于显著性差异(P<0.05);信号的十折交叉验证(平均)准确率与训练天数为正相关(0
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| 关 键 词： | 上肢运动想象 事件相关去同步 训练时间 |
Research on the effect of training time on the lateral recognition of upper limb MI |
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| Li Min,Zhao Li,Bian Yan,Li Jiaying.Research on the effect of training time on the lateral recognition of upper limb MI[J].Foreign Electronic Measurement Technology,2021,40(2):78-82. |
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| Authors: | Li Min Zhao Li Bian Yan Li Jiaying |
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| Affiliation: | (Tianjin Key Laboratory of Information Sensing and Intelligenl Contrul,Tianjin University of Technology and Education,Tianjin 300222,China) |
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| Abstract: | Based on the support vector machine model,the impact of short-term effects on the classification accuracy of EEG signals of motion images is studied.In the experiment,each subject trains once every morning and evening,and collects data on the 3 rd,5 th,and 7 th days.Taking the left hand as an example,as the number of training days increases,the C4 lead event related desynchronization phenomenon deepens,that is,the energy attenuation value increases,and the difference in energy attenuation value between different training times is significant(P<0.05),the signal 10-fold crossvalidation(average)accuracy is positively correlated with the number of training days(0
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| Keywords: | upper limb motor imagination ERD training time |
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