The brain also needs a "cognitive rest," they say, by restricting activities like video games, texting and watching TV.

VOA: special.2009.10.28

Then,as part of the test, he started texting.

VOA: special.2010.07.01

"If you're texting while driving, you are 23 times more likely to get into an accident than somebody who isn't."

VOA: standard.2010.06.24

But then he was given a cell phone and asked to start texting.

VOA: standard.2010.06.24

You're texting. (CHUCKLES) Finally, yeah.

VOA: standard.other