Image (IMAGE) CNRS Caption Two types of judgements (certainty, honesty) are based on a single acoustic signature: high pitch that falls at the end of the word, intensity in the middle of the word, and fast speech rate. Above: certainty, below: honesty. Credit © Jean-Julien Aucouturier and Louise Goupil, STMS laboratory (CNRS/Ircam/Sorbonne Université/Ministère de la Culture) Usage Restrictions None 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.