Cognitive decline is the loss of ability to learn new skills, or recall words,names,and faces that is most common as we age.

VOA: standard.2010.06.17

Well, presumably because whatever cognitive structures it takes in your brain to underwrite the ability to P-function, those cognitive structures have been broken, so they no longer work.

大概是因为,无论你大脑中的什么认知结构,使得人格功能性成为可能，这种认知结构都被破坏了，它们不再继续工作。

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