You should probably just read the study itself (which will presumably be published in the next issue of the Alzheimer's Association's journal of Alzheimer's & D

You should probably just read the study itself (which will presumably be published in the next issue of the Alzheimer's Association's journal of Alzheimer's & Dementia, going by the conference's website), if you're actually curious about the precise definition and level of scientific rigor used to study "whole foods" and their relation to degenerative neurological disorders.