I teach a course on the neural architecture of language at the University of California, Irvine. The first assignment I give my students is to pick a day and see how long they can go without using language: insert some earplugs and carry on with no talking, no texting, no reading, no language-based media. Most give up before the day is half over, reporting frustration, boredom, and isolation...
Wired for Words - In a nutshell