Aaron Johnson, University of Illinois at Urbana-Champaign (image) University of Illinois at Urbana-Champaign Share Print E-Mail Caption University of Illinois speech and hearing science professor Aaron Johnson and colleagues at the University of Wisconsin's new study shows that the vocal training of older rats reduces some of the voice problems related to their aging. The researchers hope that in the future, this animal model will provide a route toward voice therapy for aging humans that will help improve their quality of life. Credit L. Brian Stauffer Usage Restrictions This photo may only be used in conjunction with information pertaining to this release. Share Print E-Mail 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.