Unverified80% confidenceFactTime unknown
单通道前额EEG（仅Fp1/Fp2位点）只能粗略反映专注/放松状态，无法真正测量深层脑区活动；若宣传能测'脑波类型细分'需警惕，多通道（4+电极）才有更可信的空间分辨率
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80%
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Long-term
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