Proposed preclinical stages for Alzheimer’s disease work well to predict who is most likely to progress to AD, according to a paper released online by Lancet Neurology.

Researchers led by Stephanie Vos and Pieter Jelle Visser at Maastricht University in the Netherlands and Anne Fagan and others at Washington University in St. Louis, Missouri, analyzed data from 311 cognitively normal elderly people seen at St. Louis’s Knight Alzheimer’s Disease Research Center.