Table 1. Brain regions and stains.

	For “A” score^	For “B” score#	For “C” score*
	Aβ Stain	NFT Stain	NP Stain
Middle frontal gyrus	X	X	X
Superior and middle temporal gyri	X	X	X
Inferior parietal lobule	X	X	X
Occipital Cortex (BA 17 & 18)		X
Hippocampus and entorhinal cortex	X	X
Basal ganglia at anterior commissure	X
Midbrain including substantia nigra	X
Cerebellar cortex	X

Staining methods used by different sites included:

^{^}immunohistochemistry for Aβ (antibodies (source) 6E10 (Covance), 6F/3D (DAKO), 4G8 (Covance), NAB228 (University of Pennsylvania), 10D5 (Elan), and AB5074P and AB5078P (Chemicon);

^#immunohistochemistry for neurofibrillary degeneration (antibodies PHF-1 (Dr. Peter Davies), Tau (DAKO), AT8 (Autogen Bioclear), MN1020 (Thermo Scientific), and

^*histochemistry (Thioflavin S or Bielschowsky stain) or immunohistochemistry (NM1020 or PHF-1) for neuritic plaques. Staining methods used by site are shown in Table S1.