. Alzheimer neuropathologic alterations in aged cognitively normal subjects. J Neuropathol Exp Neurol. 1999 Apr;58(4):376-88. PubMed.


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  1. 'Our study demonstrates that the brains of a large percentage of cognitively normal, relatively well-educated individuals contain numerous degenerative changes and only a small percentage are relatively free of these changes.' The changes referred to are SP and NFT. So, when is AD not AD?

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