نتایج جستجو برای: loss of hearing
تعداد نتایج: 21191994 فیلتر نتایج به سال:
Background and Objectives: Noise pollution in cities, as a widespread and worldwide problem, can cause adverse health effects such as hearing loss. Traffic noise, as the most important source of urban noise, can influence many jobsincluding shopkeepers. The aim of this study was simultaneous assessment of traffic noise pollution and hearing threshold level of shopkeepers in congested area of Be...
Background: Externalizing behavior in deaf children causes many psychological problems for their parents. Aggression and rule breaking behaviors in children with severe hearing loss may cause psychological problems in parents and in managing children's behavior. Consequently, the present study aimed at investigating the effect of parental behavioral training of mothers on reducing the externa...
The Relationship between Mean Length of utterance (MLU), Lexical Richness and syntactical and lexical metalinguistic Awareness in Bilingual (Turkish-Persian) normal and hearing impaired Children Objectives: Regarding the impact of hearing loss on language development and metalinguistic skill and being language development different from metalinguistic skill in bilingual children, studying of...
introduction: cochlear implantation (ci) improves language skills among children with hearing loss. however, children with cis still fall short of fulfilling some other needs, including musical perception. this is often attributed to the biological, technological, and acoustic limitations of cis. emotions play a key role in the understanding and enjoyment of music. the present study aimed to in...
background and aim : the quick speech in noise (q-sin) test have been designed to evaluate individuals’ ability to recognize speech in noise. this study established to evaluate the test-retest reliability and equivalency of the five test lists of the persian q-sin test in subjects with sensory hearing loss (shl) and normal hearing individuals. methods : this cross-sectional study was performe...
Background and Objective: In health system using patient-based tools to measure life quality is a source of making clinical decision. The voice of individuals with hearing loss faces have some problems because of getting inappropriate feedback. According to multilateral impacts on life quality, it is necessary to study the relationship between public life quality (SF 36) and voice-related life ...
background in many industries, noise is attributed as the most prevalent harmful agent threatening workers' health. geographic information system (gis) is an applicable surveying tool in civil engineering. but, the use of gis for noise and hearing loss screening seems to be partly a new approach. objectives this study aimed to apply gis in noise and hearing loss screening in the production hall...
Background : The cement industry is one of the most important industries involved in development of countries and also of the most polluting industry work place with harmful agents’ preposition . The purpose of this study was to investigate the workers’ health status in a cement company based on their available medical records. Methods: This cross-sectional study is conducted in 2011. In th...
introduction: after presbycusis, noise-induced hearing loss is the second most common cause of acquired hearing loss. numerous studies have shown that high-intensity noise exposure increases free radical species; therefore, use of antioxidants to detoxify the free radicals can prevent cellular damage in the cochlea. we studied the potential hearing protective effect of different doses of ascorb...
excessive exposure to noise can lead to noise-induced hearing loss. otoacoustic emissions affect the microscopic biomechanical activities of healthy outer hair cells. the present study aimed at assessing the influence of various sound pressure levels on distortion product otoacoustic emissions (dpoaes) in rats. to this end, 27 adult male rats with an age range of 3 to 4 months and a weight of 2...
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