Brain (IMAGE) University of New South Wales Caption We spend a lot of time listening to our own inner speech. But to what extent does the brain distinguish between inner speech and the sounds we produce when we speak out loud? Credit UNSW Usage Restrictions With credit License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.