نتایج جستجو برای: auditory fatigue

تعداد نتایج: 142598  

Journal: :trauma monthly 0
maryam rezaee trauma research center, baqiyatallah university of medical sciences, tehran, ir iran mohammad mojtahed department of otolaryngology, imam khomeini hospital, tehran university of medical sciences, tehran, ir iran mohammad ghasemi department of otolaryngology, imam khomeini hospital, tehran university of medical sciences, tehran, ir iran; health research center, baqiyatallah university of medical sciences, tehran, ir iran. tel: +98- 2182482484, fax: +98-2188600062 babak saedi department of otolaryngology, imam khomeini hospital, tehran university of medical sciences, tehran, ir iran

background: military personnel are usually exposed to high levels of impulse noise (in) which can lead to hearing loss. objectives: the purpose of this study was to assess the effects of relatively low level exposure of impulse noise (in) during shooting practice on hearing using pure tone audiometry (pta) and transiently evoked otoacoustic emission (teoae) in military personnel. materials and ...

Journal: :international journal of occupational and environment medicine 0
sa moussavi-najarkola department of occupational health, school of medical sciences, tarbiat modares university, tehran a khavanin department. of occupational health, school of medical sciences, tarbiat modares university, tehran r mirzaei department of occupational health, health promotion research center, zahedan university of medical sciences, zahedan m salehnia department of anatomical sciences, school of medical sciences, tarbiat modares university, tehran a muhammadnejad cancer research center, iran cancer institute, tehran university of medical sciences, tehran m akbari department of audiology, school of rehabilitation, iran university of medical sciences, tehran

background: noise-induced hearing loss (nihl) is one of the most common occupational illnesses. most of the studies on nihl were conducted at high noise levels that people are rarely exposed to but in industries. the function of the outer hair cells (ohcs) is impaired after exposure to industrial noise. distortion product otoacoustic emissions (dpoaes) are useful in examination of noise-induced...

Journal: :The Journal of the Acoustical Society of America 1959

Journal: :Nippon Jibiinkoka Gakkai Kaiho 1959

2015
Pengfei Sun Jun Qin Kathleen C. Campbell

Noise induced hearing loss (NIHL) remains as a severe health problem worldwide. Existing noise metrics and modeling for evaluation of NIHL are limited on prediction of gradually developing NIHL (GDHL) caused by high-level occupational noise. In this study, we proposed two auditory fatigue based models, including equal velocity level (EVL) and complex velocity level (CVL), which combine the high...

پایان نامه :دانشگاه آزاد اسلامی واحد علوم پزشکی تهران - دانشکده پزشکی 1389

سابقه هدف: msیکی از شایعترین اختلالات نورولوژیک ناتوان کننده است که با تریاد التهاب ، demyelination ، وگلیوزیس نورونها مشخص می شود . بیش از 2.5 میلیون نفر در جهان به این بیماری مبتلا هستند و بیشترین شیوع آن در بالغین جوان است . یکی از شایعترین علایم ms ، خستگی می باشد که حدود 90 % بیماران به آن دچارند. با وجودیکه fatigue ، شایعترین علت ناتوانی بیماران ms می باشد ، هنوز پزشکان در تشخیص و درمان آ...

Journal: :Nippon Jibiinkoka Gakkai Kaiho 1961

Journal: :The Journal of the Acoustical Society of America 1965

Journal: :The Journal of the Acoustical Society of America 1976

Journal: :Nippon Jibiinkoka Gakkai Kaiho 1956

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