Growth and Recovery of Temporary Threshold Shifts Following Extended Exposure to High-Level, Continuous Noise.
Abstract
A study was undertaken to evaluate the growth and recovery of temporary threshold shifts produced by extended exposure to simulated armored vehicle noise. Seventeen young adult males were continuously exposed to simulated armored vehicle noise over a 48-hour period. Auditory thresholds were obtained prior to exposure, during exposure, and after termination of exposure in order to permit the plotting of growth and recovery function for temporary threshold shift. Mathematical functions were used to describe the time-course of both the growth and recovery function. The data support the idea that an exponential mathematical function best describes both the growth and recovery functions for the temporary threshold shifts produced in this study. In addition, the data support earlier findings which indicate that an exponential model for temporary threshold shift is perhaps the most applicable model for use in designing dosimeters for noise exposure. (Author)
Document Details
- Document Type
- Technical Report
- Publication Date
- Nov 24, 1970
- Accession Number
- AD0717232
Entities
People
- George A. Luz
- James D. Mosko
- John L. Fletcher
Organizations
- United States Army Medical Research Laboratory