I came across an interesting report on people who are "face blind" (Prosopagnosia) on CBS 60 minutes show today and thought to share it.
Face Blindness: When everyone is a stranger - CBS News
Do you have trouble recognizing faces? Take a test - 60 Minutes Overtime - CBS News http://www.cbsnews.com/8301-504803_162-57399227-10391709/do-you-have-trouble-recognizing-faces-take-a-test/
The researchers at Harvard University has two tests to check face recognition ability . Here are the online tests to access how good you are in recognizing faces. Have a look at them and take it if you have 20-30 minutes to spare.
Some other brain tests:
BBC - Science & Nature - Human Body and Mind - Face Memory Test http://www.bbc.co.uk/science/humanbody/sleep/tmt/
It's amazing to think about the intricacies and mysteries of brain function. I'm looking forward to the science advancements in this field.