نتایج جستجو برای: normal hearing
تعداد نتایج: 662085 فیلتر نتایج به سال:
This studied examined vowel perception in young adults of normal hearing and hearing impaired with a mild to severe sensorineural hearing loss (SNHL) listeners. Stimuli were presented at conversational level and were recorded, digitized, and edited syllables. The stimuli were broken down into varying transitions. Listeners discriminated the audio presented selected corresponding stimuli option ...
Pendred's syndrome is defined as a triad of congenital perceptive hearing loss, goiter, and abnormal perchlorate test. Three brothers with Pendred's syndrome [P.S.] are reported. The oldest brother has hearing loss (he has been deaf and mute since childhood) and has a large goiter. A thyroid scan revealed euthyroid multinodular goiter and a perchlorate test was performed, and reported abno...
Background and Aim: It seems that diabetes mellitus affects hearing system by several mechanisms including microangiopathy ,sorbitol deposition and glycosilation ,dealing to progressive bilateral sensorineural hearing loss which is related duration of diabetes. Materials and Methods: This is a descriptive cross-sectional study performed on 300 patients with type 2 diabetes mellitus aged 30 to 5...
3 listeners with sensorineural hearing loss ranging from moderate to moderate-severe starting at frequencies higher than 1 kHz participated in two masking experiments and a partial masking experiment. In the first masking experiment, fM = 1 KHz and LM = 50 dB SPL, higher than normal masked thresholds were obtained for listeners whose hearing was impaired in the frequency region of clear hearing...
The purpose of this research was twofold: firstly, to develop a music perception test (MPT) for hearing-aid users, and secondly, to evaluate the influence of non-linear frequency compression (NFC) on music perception with the use of the self-compiled test. This article focuses on the description of the development and validation of the MPT. To date, the main direction in frequency-lowering hear...
Hearing problems in children hard of hearing, in addition to communication skills, will effect social interaction too. One aspect of social recognition which has attracted an increasing attention in recent years is the development of children's intelligence theory. In connection with intellectual and recognition abilities in children hard of hearing, intelligence is a subject that has always be...
Chronic tinnitus can often be temporally associated with a loss of sensorineural hearing. However, also occur in people normal hearing and thus arise without traceable disorder the inner ear. In present study, we tested whether fine-structure audiometry or high-resolution measurement otoacoustic emissions reveal evidence inner-ear-related disorders that remain undetected by conventional manual ...
OBJECTIVE To evaluate the improvement in speech intelligibility in noise obtained with an assistive real-time fixed endfire array of bidirectional microphones in comparison with an omnidirectional hearing aid microphone in a realistic environment. DESIGN The microphone array was evaluated physically in anechoic and reverberant conditions. Perceptual tests of speech intelligibility in noise we...
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