High-Frequency Hearing Test (IMAGE) University of Alberta Caption Ming Zhang holds an anatomical model of a human ear. Zhang is co-author of a study showing that testing newborns in neonatal intensive care units for middle-ear disorders can lead to earlier treatment and reduce the need for extensive followup tests. Credit Bryan Alary / University of Alberta Usage Restrictions Photo 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.