This subproject is one of many research subprojects utilizing theresources provided by a Center grant funded by NIH/NCRR. The subproject andinvestigator (PI) may have received primary funding from another NIH source,and thus could be represented in other CRISP entries. The institution listed isfor the Center, which is not necessarily the institution for the investigator.
The aim of this project is to develop numerical algorithms which simulate the conduction of sound through the human skull. The models will be validated through experimental results obtained at the Speech and Hearing Science department at the University of Illinois. The project is a component of a larger undertaken by the Bioacoustic Research Lab at the University of Illinois to determine why people wearing full hearing protection still suffer significant hearing loss when working in high noise environments. It is well known that there is more than one pathway for airborne sound to reach the inner ear, the most well known being through the ear canal to the tympanic membrane or eardrum. Sound pressure also causes bone and tissue to vibrate and the structures surrounding the inner and middle ear. The algorithms developed for this project will provide a tool for identifying and visualizing bone conduction pathways to the inner ear.
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