That’s not unusual. A 2007 study published in The Journal of Neuroscience found that professional musicians tend to develop a larger Broca’s area, a region of the brain that supports language ...

In another account, Toby, a highly intelligent man who suffers from attention deficits and possibly a bipolar disorder, displays many of the behavioral features of impaired frontal lobe function ...

We’ve learnt a lot since then about the organisation and function of our brain ... They were in the temporal lobe, a large part of cortex located approximately behind the ear.