Functional Imaging of Visuospatial Processing in Alzheimer's Disease. - David Prvulovic; Daniela Hubl; Alexander Thomas Sack; L. Melillo; K. Maurer; Lutz Frölich; Heinrich Lanfermann; Friedhelm E. Zanella; Rainer Goebel; David E. J. Linden; Thomas Dierks (NeuroImage, 2002)