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INTRODUCTION Otoacoustic emission is a phenomenon that may occur in a large group of normal-hearing subjects. Ear is an organ which collects and treats sounds from the surrounding environment, and nerve fibres transmit the perceived information to the brain in terms of nerve signals. However, ear can also produce a sound (otoacoustic-emission), which can be(More)
The aim of this study was to compare transiently evoked otoacoustic emissions (TEOAE) and pure tone audiometry in normal hearing ears and ears with cochlear hearing loss (60 ears of 30 subjects), to obtain defined data on qualitative and quantitative correlations. We wanted to determine the reliability with which a clinical examiner could predict a typical,(More)
Two new methods of the fourth order for the simultaneous determination of multiple zeros of a polynomial are proposed. The presented methods are based on the fixed point relation of Laguerre's type and realized in ordinary complex arithmetic as well as circular complex interval arithmetic. The derived iterative formulas are suitable for the construction of(More)
INTRODUCTION Early Brainstem Evoked Response Audiometry (BERA) is a modern noninvasive, objective neurophysiological method for evaluation of hearing threshold. This method is applied in the complex otoneurological diagnostic procedure. The aim of the complete functional diagnostic procedure of hearing impairment in children is to determine the hearing(More)
INTRODUCTION Objective evaluation of hearing threshold and detection of hearing impairment are the basic prerequisites for hearing and speech rehabilitation. In infants and early pre-school children tonal audiometry is not possible. Though subjective, tonal audiometry is the most reliable method for evaluation of hearing threshold. Therefore, in children of(More)
The examination was carried out in 10 healthy volunteers of both sexes, of the average age of 32.5 years, of the average weight of 77.4 kg. Seven volunteers were males. After dosage of 800 mg of carbamazepine in 2/7 volunteers the finding was unchanged, in 3/7 second stage disturbance was found and in 2/7 third stage of disturbance in the smooth tracking(More)
Medial olivocochlear pathway represents the final part of efferent acoustic pathway which comes from the superior olivary complex ending at outer hair cells. Activation of medial olivocochlear system (MOCS) alters the cochlear output decreasing the travelling wave within cochlea. Stimulation of MOCS provides protection against moderate levels of noise,(More)
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