研究人员利用逆行病毒标记技术特异性地在该通路神经元中表达钙指示剂，并结合光纤记录与脑电/肌电记录，首次在自由移动的小鼠中发现：该神经通路在快速眼动睡眠期（即做梦阶段）的钙活性显著高于慢波睡眠和安静觉醒期，且其活性在进入梦境时急剧飙升、在梦醒瞬间迅速下降，表现出鲜明的“梦境特异性”；
One example of a machine learning method is a decision tree. Decision trees look at one variable at a time and are a reasonably accessible (though rudimentary) machine learning method.
。汽水音乐对此有专业解读
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