表 3. Statistical test results of MSE value for different frequency bands during different tasks before and after stimulation.

Statistical test results of MSE value for different frequency bands during different tasks before and after stimulation

不同频段刺激前、后不同任务期间的MSE值统计学检验结果

频段	任务状态	通道	刺激前MSE值	刺激后MSE值	统计值	P值
α	左手想象任务	C3	0.017 ± 0.009	0.028 ± 0.018	Z = − 1.810	0.070
		C4	0.018 ± 0.007	0.023 ± 0.009	Z = − 1.306	0.191
	右手想象任务	C3	0.015 ± 0.007	0.025 ± 0.012	Z = − 2.379	0.017
		C4	0.013 ± 0.005	0.021 ± 0.008	Z = − 2.896	< 0.01
β	左手想象任务	C3	0.007 ± 0.003	0.018 ± 0.004	Z = − 3.413	< 0.01
		C4	0.008 ± 0.003	0.014 ± 0.007	Z = − 3.000	< 0.01
	右手想象任务	C3	0.007 ± 0.003	0.019 ± 0.008	Z = − 3.362	< 0.01
		C4	0.003 ± 0.001	0.015 ± 0.006	Z = − 3.516	< 0.01