Effects of impulse noise and continuous steady state noise on hearing.
نویسندگان
چکیده
منابع مشابه
Effects of continuous noise on avian hearing and vocal development.
Continuous loud noice was used to mask auditory feedback from vocal behavior of male canaries. Single unit techniques demonstrate partial deafness after noise exposure. Longer exposure caused greater deficits, with losses of high-frequency sensitivity. Males raised in noise to 40 days of age, then deafened surgically, thus totally deprived of auditory feedback from vocalization, developed signi...
متن کاملEffects of noise on hearing.
FEW WOULD DENY THAT WE LIVE IN A NOISY WORLD. NOISE, whether a result of air traffic, crowded urban streets, personal stereos, or high-powered machinery, rifles, and shotguns, is one of America’s most widespread nuisances. Excessive noise disrupts sleep, produces stress, impairs communication, and, in high enough doses, causes significant noise-induced hearing loss (NIHL). Although roughly 25% ...
متن کاملLeupeptin reduces impulse noise induced hearing loss
BACKGROUND Exposure to continuous and impulse noise can induce a hearing loss. Leupeptin is an inhibitor of the calpains, a family of calcium-activated proteases which promote cell death. The objective of this study is to assess whether Leupeptin could reduce the hearing loss resulting from rifle impulse noise. METHODS A polyethelene tube was implanted into middle ear cavities of eight fat sa...
متن کاملEffects of Co-Exposure to Noise and JP-4 Jet Fuel on Hearing Loss in Rats
Background and Aim: Autotoxic substances such as JP-4 jet fuel can have negative effects on the auditory system by the various means such as cochlear dysfunction. The purpose of this study was to investigate the combined effects of exposure to JP-4 jet fuel and noise on hearing loss in rats, to determine the possible interference effects of these two risk factors on rat auditory system. Methods...
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This paper presents noise problems associated with the use of air-turbine drills in dental practice. Two hundred and fifty dentists (male and female) were randomly selected from the faculty of dentistry as well as the dentists who worked private in Tehran. The results indicated that the mean value of sound pressure level produced by the high-speed drills was 69.1 db. Most of the energy from...
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ژورنال
عنوان ژورنال: Occupational and Environmental Medicine
سال: 1984
ISSN: 1351-0711
DOI: 10.1136/oem.41.1.122