Joes Scan News Today

Brain scan could help them detect it immediately. the process of scanning joes brain takes about 15 minutes. the images are then fed into a computer which makes minutely detailed measurements. to the naked eye his brain looks pretty much like anybody elses. but those measurements should reveal telling differences. the colored areas are key. the blue ones control behavior, the red and yellow ones, speech and vision. >> so you look on this screen here, joe, you can see on the left -- >> reporter: ...

Brain scan could help them detect it immediately. the process of scanning joes brain takes about 15 minutes. the images are then fed into a computer which makes minutely detailed measurements. to the naked eye his brain looks pretty much like anybody elses. but those measurements should reveal telling differences. the colored areas are key. the blue ones control behavior, the red and yellow ones, speech and vision. >> so you look on this screen here, joe, you can see on the left -- >> reporter: ...