STUDIES ON THE NOISE-INDUCED TEMPORARY THRESHOLD SHIFT (NITTS) AT C5 DIP.
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چکیده
منابع مشابه
The Effect of Gingko Biloba on Hearing in Mice with Noise-Induced Temporary Threshold Shift
BACKGROUND AND OBJECTIVES Gingko biloba extract is known for enhancing blood circulation, scavenging free radicals, and antagonizing against platelet-activating factor. This study evaluated the effect of Gingko biloba on the noise-induced temporary threshold shift of hearing. MATERIALS AND METHODS Temporary threshold shift was induced by exposing mice to 110 dB SPL sound for 1 hour. The exper...
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exposing the ear to an intense noise will probably cause to hearing loss. this loss may be temporary threshold shift (tts), permanent threshold shift (pts), or a combination of the two. the average audiograms for the 157 textile workers, exposed to an average 100 db (a) overall noise level, in 5 age groups indicated that the losses were most prominent for frequencies of 3 to 6 kc/s showing a pe...
متن کاملEffects of magnesium on temporary threshold shift
Casey, Sarah, Audiology Doctoral Project, University of South Florida, July, 2003. Effects of Magnesium on Temporary Threshold Shift. Previous literature has demonstrated that supplemental magnesium may have a prophylactic effect on noise induced hearing loss (NIHL). The purpose of this study was to replicate the findings of a previous investigation concerning the beneficial effects of suppleme...
متن کاملUnderwater temporary threshold shift induced by octave-band noise in three species of pinniped.
Pure-tone sound detection thresholds were obtained in water for one harbor seal (Phoca vitulina), two California sea lions (Zalophus californianus), and one northern elephant seal (Mirounga angustirostris) before and immediately following exposure to octave-band noise. Additional thresholds were obtained following a 24-h recovery period. Test frequencies ranged from 100 Hz to 2000 Hz and octave...
متن کاملImprovement of Occupational Noise-induced Temporary Threshold Shift by Active Noise Control Earmuff and Bone Conduction Microphone
Among the hazardous factors in the workplace, noise is one of the most difficult to eliminate because enclosure or reduction of its source is often infeasible. This may underlie the fact that many workers are exposed to noise and develop hearing problems. For instance, in Japan, in the year 2000 alone, at least 208,000 workers were exposed to noise and more than 36,000 (17%) of them were found ...
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ژورنال
عنوان ژورنال: Sangyo Igaku
سال: 1965
ISSN: 0047-1879,1881-1302
DOI: 10.1539/joh1959.7.415