Salamander (IMAGE) Aarhus University Caption The researchers played sounds to the animals both under water and in an anechoic chamber (as pictured here), and measured the resulting neural responses in the auditory nerve and brainstem by means of subcutaneous electrodes. Credit Photo: Christian Bech Christensen Usage Restrictions May be used in relation to this news release 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.