The person taking this simple test is asked to draw a clock, put in all the numbers, and set the hands at ten past eleven. The test is then scored. It doesn't work for finding mild Alzheimer's, only the moderate and severe stages.
Four to five points is "normal."
This simple test actually provides alot of information about general memory, how people are able to process information and their vision. The Clock Drawing Test does gives clues about the brain's areas of change or damage.
This test is not used alone to diagnose Alzheimers. Click HERE for a listing of various tests doctors use together as a set to make the final diagnosis.