[KongchangAI]
Unverified85% confidenceDecision RuleTime unknown

生物反馈类冥想设备优先选择支持EEG脑电+HRV心率变异性双维度采集的产品,单一心率反馈只能反映放松度而无法判断专注/走神状态,脑电才能真实追踪冥想深度

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