Patterns of Regional Brain Hypometabolism Associated with Knowledge of Semantic Features and Categories in Alzheimer's Disease. - Roland Zahn; Peter Garrard; Jochen Talazko; Matthias Gondan; Philine Bubrowski; Freimut Juengling; Helen Slawik; Petra Dykierek; Bernd Koester; Michael Hull (J. Cogn. Neurosci., 2006)