COMPARISON OF A NORMAL AGED BRAIN (LEFT) AND THE BRAIN OF A PERSON WITH ALZHEIMERS (RIGH Extreme Shrinkage of Cerebral Cort entricles Hippocampus Entorh inal NOW WE NEED TO WATCH THE MOVIE AGAINCOMPARISON OF A NORMAL AGED BRAIN (LEFT) AND THE BRAIN OF A PERSON WITH ALZHEIMER'S (RIGHT). NOW WE NEED TO WATCH THE MOVIE AGAIN！