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Who needs dope when you go on a mind-expanding trip just sitting at your computer?

“The circuitry for paying attention is identical for the circuits for managing distressing emotion,” Goleman said. The area of the brain that governs focus and executive functioning is known as the pre-frontal cortex. This is also the part of the brain that allows people to control themselves, to keep emotions in check and to feel empathy for other people.

“It’s about using the devices smartly but having the capacity to concentrate as you need to, when you want to.”

Ms. Greenfield concluded that "every medium develops some cognitive skills at the expense of others." Our growing use of screen-based media, she said, has strengthened visual-spatial intelligence, which can improve the ability to do jobs that involve keeping track of lots of simultaneous signals, like air traffic control. But that has been accompanied by "new weaknesses in higher-order cognitive processes," including "abstract vocabulary, mindfulness, reflection, inductive problem solving, critical thinking, and imagination." We're becoming, in a word, shallower.

Teens who use Facebook more often show more narcissistic tendencies while young adults who have a strong Facebook presence show more signs of other psychological disorders, including antisocial behaviors, mania and aggressive tendencies.

Daily overuse of media and technology has a negative effect on the health of all children, preteens and teenagers by making them more prone to anxiety, depression, and other psychological disorders, as well as by making them more susceptible to future health problems

Facebook can be distracting and can negatively impact learning. Studies found that middle school, hig