The second hypothesis is that we do perceive everything, but the brain categorizes the information, and whatever is not relevant to what we are concentrating on gets treated as low priority.

第二个假设是，我们确实能够感知一切，但是大脑会对信息进行分类，而任何与我们专注的事情无关的信息都会被归类为低优先级信息。