REDWOOD CITY, Calif. — On the eve of a pivotal academic year in Vishal Singh’s life, he faces a stark choice on his bedroom desk: book or computer?
By all rights, Vishal, a bright 17-year-old, should already have finished the book, Kurt Vonnegut’s “Cat’s Cradle,” his summer reading assignment. But he has managed 43 pages in two months.
He typically favors Facebook, YouTube and making digital videos. That is the case this August afternoon. Bypassing Vonnegut, he clicks over to YouTube, meaning that tomorrow he will enter his senior year of high school hoping to see an improvement in his grades, but without having completed his only summer homework.
On YouTube, “you can get a whole story in six minutes,” he explains. “A book takes so long. I prefer the immediate gratification.”
Students have always faced distractions and time-wasters. But computers and cellphones, and the constant stream of stimuli they offer, pose a profound new challenge to focusing and learning.
Researchers say the lure of these technologies, while it affects adults too, is particularly powerful for young people. The risk, they say, is that developing brains can become more easily habituated than adult brains to constantly switching tasks — and less able to sustain attention.
“Their brains are rewarded not for staying on task but for jumping to the next thing,” said Michael Rich, an associate professor at Harvard Medical School and executive director of the Center on Media and Child Health in Boston. And the effects could linger: “The worry is we’re raising a generation of kids in front of screens whose brains are going to be wired differently.”
But even as some parents and educators express unease about students’ digital diets, they are intensifying efforts to use technology in the classroom, seeing it as a way to connect with students and give them essential skills. Across the country, schools are equipping themselves with computers, Internet access and mobile devices so they can teach on the students’ technological territory.
It is a tension on vivid display at Vishal’s school, Woodside High School, on a sprawling campus set against the forested hills of Silicon Valley. Here, as elsewhere, it is not uncommon for students to send hundreds of text messages a day or spend hours playing video games, and virtually everyone is on Facebook.
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