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EXPERIMENT INFORMATION

Hearing Loss Among LSAH Participants (LSAHNEWSV14_1_1)
Research Area:
Neurophysiology
Species Studied
Scientific Name: Homo sapiens Species: Human

Description
OBJECTIVES:
Noise is one of the most common causes of hearing loss, and noise-induced hearing loss (NIHL) is the most common occupational illness in the United States. The effects of noise on hearing are often underestimated because the damage takes place so gradually, without pain, and cannot be visibly detected because the delicate inner ear is buried deep in the skull. Audiometric testing, using pure tone stimuli, has been the traditional method of monitoring hearing loss. Hearing tests have always been part of NASA’s hearing conservation program for personnel exposed to hazardous noise from aircraft and other equipment. Audiometric data from the Longitudinal Study of Astronaut Health (LSAH) database was reviewed in order to assess trends and compare data with other population studies.


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Publications
National Aeronautics and Space Administration. Hearing loss among LSAH participants. In: Longitudinal Study of Astronaut Health Newsletter. February 2006;14(1):2-3.

Keywords
Hearing
Hearing loss
Audiometry, pure-tone
Auditory threshold

Data Information
Data Availability
Archive is complete. All data sets are on the Web site.
Data Sets + View data.

Parameters
Hearing threshold

Mission/Study Information
Mission Launch/Start Date Landing/End Date Duration
LSAH 01/01/1989 05/31/2010 21 years

Additional Information
Managing NASA Center
Johnson Space Center (JSC)
Responsible NASA Representative
Johnson Space Center LSDA Office
Project Manager: Pamela A. Bieri
Institutional Support
National Aeronautics and Space Administration (NASA)