An interesting article in today's NY Times reports speculation by a group of scientists about the effect of the frequent use of digital devices on the human brain and the possible impact on mental health.
Quote:
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Scientists have long thought about how new forms of media affect attention from the printing press to the television. But the modern study of attention emerged in the early 1980s with the spread of machines that allowed researchers to see changes in blood flow and electrical activity in the brain. Newer machines have let them pinpoint the parts of the brain that light up when people switch from one task to another, or when they are paying attention to music or a movie.
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http://www.nytimes.com/2010/08/16/te...rain.html?_r=1