[KongchangAI]
Unverified85% confidenceDecision RuleTime unknown

真正采集脑电(EEG)的头环需前额干电极≥2通道,采样率≥256Hz才能识别睡眠纺锤波和K复合波;标称'脑波'但采样率<128Hz或仅靠加速度计的属于运动/心率推算,无法给出真实睡眠分期

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