Hooked on gadgets, and paying a mental price
Scientists say juggling e-mail, phone calls and other incoming information can change how people think and behave. They say our ability to focus is being undermined by bursts of information. Try some of the tests yourself to see how well you cope with multi-tasking.
Technology's toll: impatience and forgetfulness
Some experts believe excessive use of the Internet, cellphones and other technologies can cause us to become more impatient, impulsive, forgetful and even more narcissistic.
Your brain on computers
While most Americans say devices like smartphones, cellphones and personal computers have made their lives better and their jobs easier, some say they have been intrusive, increased their levels of stress and made it difficult to concentrate.
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