Men's Brains Are 'Better Connected' -- The TelegraphMen have higher levels of nerve connections in parts of their brain than women, according to a study that will renew hostilities in the long running gender war.
Previous studies have revealed differences in the density of nerve cells and other brain features but none of these gender differences have been linked to behaviour or function in a very convincing way.
Now, Dr Lidia Alonso-Nanclares and Prof Javier De Filipe of the Instituto Cajal, Madrid, Spain; and colleagues there and at the Universidad Complutense of Madrid, used fresh brain tissue removed from epileptic patients during brain surgery to explore microscopic differences in the brain structure of men and women, revealing a consistent difference.
The authors of a study in the Proceedings of the National Academy of Sciences used an electron microscope to study the brain tissue and discovered that in the temporal neocortex, a key part which is involved in both social and emotional processes, located near the ears, among other skills, that men had a one third higher density than women of synapses - the junction between two brain cells that enables precisely tuned cell-to-cell communication.
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