Egocentric versus Allocentric Spatial Memory in Behavioral Variant Frontotemporal Dementia and Alzheimer's Disease. Tu S, Spiers HJ, Hodges JR, Piguet O, Hornberger M J Alzheimers Dis. 2017; 59(3):883-892. PMID: 28697554. Abstract Comment Bookmark Recommend Follow Comment | Bookmark | Recommend | Follow