http://scicurious.scientopia.org/2013/0 ... our-brain/
Silent reading isn't so silent, at least, not to your brain
Jan 23 2013
Published by scicurious under Behavioral Neuro
If you're reading this sentence, chances are you're reading it silently (if you're reading it out loud, hey, that's cool too). Your lips aren't moving, you're not making any sound that other people can hear. But are you making "sound" in your head? Many people who read silently do so by imagining a voice speaking the words they are reading (and often, it's your own voice, so there's even a specific "tone".