“…The leading clinical symptom is slowly progressive disturbances primarily of learning and memory, but also of attention as well as spatial and temporal orientation 121 122 . Radiologically, in addition to a general brain volume reduction, atrophy of the medial temporal lobe, especially the hippocampus, is typically found 124 . In approximately 10% of the cases, the disease manifests with atypical symptoms such as loss of visuospatial abilities (posterior parietal atrophy, Benson syndrome) 125 or as frontal or logopenic variants 126 127 , both of which resemble typical fronto-temporal dementias.…”