[KongchangAI]
Unverified85% confidenceDecision RuleTime unknown

单通道EEG头环(如前额单点采集)只能提供整体专注/放松趋势,无法定位脑区活动;若只想做正念放松训练,单通道已足够,多通道(4-14通道)主要价值在于科研或神经反馈精细训练

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