At the Intersection of Phrenology and Public Policy

My colleague Ann Gauger has an excellent post on the recent PNAS study examining the structural differences between the brains of men and women. I'd like to add a few thoughts.

The researchers studied the brains of men and women using fMRI imaging to measure the size of gyri and other brain regions and to measure several brain tracts that connect regions of the brain. They conclude that while there are some differences in the measurements of men and women, the average differences are dwarfe...