One hemisphere of a healthy brain (L) is pictured next to one hemisphere of a brain of a person suffering from Alzheimer disease, at the Morphological unit of psychopathology in the Neuropsychiatry division of the Belle Idee University Hospital in Chene-Bourg near Geneva March 14, 2011. The Division stores more than 11,000 human brains from since the early 20th century for teaching and research. Brain Awareness Week, which takes places March 14 to 18, 2011, is the global campaign to increase public awareness about the progress and benefits of brain research.[Photo/Agencies]