The Whole Brain Atlas provides a myriad of images of the normal brain as well as images of the brain with cerebrovascular disease, brain tumors, and many other conditions.

http://www.med.harvard.edu/AANLIB/home.html

The National Aphasia Association web site refers to many publications describing the various types of aphasia and related disorders and the impacts of these conditions on patients and family. Click on aphasia fact sheet to learn more about aphasia.

http://www.aphasia.org/NAAfacts.html

How Much Sleep Do You Really Need? is the title of an article from the Mayo Clinic's Health Oasis that explores sleep needs and consequences of inadequate sleep.

http://www.mayohealth.org/mayo/9610/htm/sleep.htm