Here is a site that will either give you a 3 dimensional look at a model or an MRI to show you where all the various points of the brain are that you read about in your MRI and don't understand. It gives a small bit of info about what functions that area controls.

Click on visual glossary. I've started with "centrum semiovale."

http://www.sylvius.com/index/c/centrum_semiovale.html