A normal MRI brain, showing no atrophy, depicts the three areas of interest in the brain's medial temporal lobe: hippocampus (outlined in red); entorhinal cortex (blue) and perirhinal cortex (green).

Men at high risk of cardiovascular disease had brain volume changes a decade earlier than women, U.K. Biobank data showed.

His MRI revealed an 8-centimeter temporal lobe tumor on the left side of the brain, which physicians suspect is a grade II ...