Psychiatry Advisor | Size of These Brain Parts Tied to Dementia Ri... WebMD Oct. 15, 2015 -- When brain structures called hippocampi are smaller, that may point to a higher risk of getting Alzheimer's disease and other types of dementia, new research suggests. People who did better on certain memory tests tended to have larger ... Brain Size May Predict Alzheimer's Risk If Your Hippocampus Is Bigger Than Normal, Don't Worry About Getting Alzheimer's Size of brain hippocampus may predict dementia |