In Milliseconds, Brain Zips From Thought To Speech : NPR
Posted October 29, 2009on:
An unusual experiment is offering some tantalizing clues about what goes on in the brain before we speak.
The study found that it takes about half a second to transform something we think into something we say. And three very different kinds of processing needed for speech are all happening in a small part of the brain called Broca’s area, which lies beneath the left temple.