title: Retraction notice.
abstract: "EEG Synchronization Evaluation: A New Diagnostic Tool for Predicting the Progression of Alzheimer's Disease" by Ran Yi, Xiao-rong Zhan, Jing Tang, Li-ming Zhang, Xiao-min Liu and Qi Dong, Clin EEG Neurosci published online 3 March 2014 (DOI: 10.1177/1550059413502779) This article has been retracted due to unattributed inclusion of significant excerpts from the following article: Knyazeva, Maria G.; Carmeli, Cristian; Khadivi, Alireza; Ghika, Joseph; Meuli, Reto; Frackowiak, Richard S. (2013). "Evolution of source EEG synchronization in early Alzheimer's disease". Neurobiology of Aging, 34(3), 694-705.