"Scientists have uncovered the first concrete evidence that playing music can significantly enhance the brain and sharpen hearing for all kinds of sounds, including speech."
Music and the Brain - Interesting research results suggest that learning to play music early in life (especially before age 12) can affect the brain stem (and cerebral cortex) and lead to enhanced hearing and sound processing.
Intriguing perspective on the how the Internet is a denial of service attack on your brain.
"We found that mental performance, the capability of the brain, was also reduced. Workers cannot think as well when they are worrying about e-mail or voice mails. It effectively reduces their IQ," says Wilson.