Director of the National Institute on Drug Abuse Dr. Nora Volkow said that constant stimulation can activate dopamine cells in the main pleasure core of the brain. A new study also shows that excess Internet usage can actually physically alter the structure of our brains.
MRIs conducted on the brains of 18 college students in China who spent about 10 hours a day using the computer had less gray matter – the thinking portion of the brain – than a control group of those who spent less than two hours a day online.
Hilarie Cash, a counselor specializing in treating people who have trouble letting go of technology, told CNN that she too has difficulty making the choice between checking her emails and going outside to tend to her garden. “We can't just sit quietly and wait for a bus, and that's too bad, because our brains need that down time to rest, to process things.”
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