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347 Research products, page 1 of 35

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  • Audiology

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  • Open Access Persian
    Authors: 
    Nasim Manouchehri; Mansoureh Adel Ghahraman; Saied Farahani; Dr. Ibrahim Jafarzadehpour; Dr. Shohreh Jalaei;
    Publisher: Tehran University of Medical Sciences

    Background and Aim: Previous studies suggest that auditory stimulus frequency in normal subjects contribute to both P300 amplitude and latency measures. As occipital cortex devotes to other modalities including auditory inputs, the purpose of this study was to determine...

  • Open Access Persian
    Authors: 
    Parisa Mirhaj; Ghassem Mohammadkhani; Mahin Sedaie; Mansoureh Adel Gharaman; Soghrat Faghihzadeh;
    Publisher: Tehran University of Medical Sciences

    Objective: determining difference limen for Frequency (DLF)in string musicians. Materials &Methods: This case-control study was conducted on 15 string musicians with musicianship > 10 years (30 ears) and 15 normal hearing subjects (30 ears). They all were male and 20-30...

  • Open Access Persian
    Authors: 
    Zahra Jafari;
    Publisher: Tehran University of Medical Sciences

    Introduction: Several animal studies have been performed that demonstrates a relationship between the amount of magnesium ion in the plasma and the hearing thresholds following exposure to noise, Mg++ has been considered as an effective factor in prevention of noise ind...

  • Open Access Persian
    Authors: 
    Saeed Sarogh Farahani; Ghasem Mohammad Khani; Mahdieh Hasanalifard; Yousef Salimpour;
    Publisher: Tehran University of Medical Sciences

    Background and Aim: Analysis of transient evoked otoacoustic emissions(TEOAEs) is of considerable interest due to their close relation with cochlear mechanisms which reveal cochlear function.The particular structure of TEOAEs requires a method with both a satisfactory t...

  • Open Access Persian
    Authors: 
    Mahin Sedaei; Dr. Abdollah Mousavi; Jamileh Fatahi; Soqrat Faghihzadeh;
    Publisher: Tehran University of Medical Sciences

    Methods and Materials: This cross - sectional analytical study examines the clinical utility of the external ear resonance (EER) peak amplitude measurement as an index of the possible middle ear effusions. The EER peak amplitude and frequency of 180 ears in 98 children ...

  • Open Access Persian
    Authors: 
    Karim Gharashi; Parviz Sarandi,; Abolfazl Farid;
    Publisher: Tehran University of Medical Sciences

    Background and Aim: Stress is the source of many problems in human-kind lives and threatens people’s life constantly. Having hearing-impaired child, not only causes stress in parents, but also affects their marital satisfaction. The purpose of this study was comparing t...

  • Open Access Persian
    Authors: 
    Dr. Zahra Jafari; Saeed Malayeri; Dr. Masoud Motesadi Zarandi;
    Publisher: Tehran University of Medical Sciences

    Background and Aim: Hyperbilirubinemia during the neonatal period is known to be an important risk factor for neonatal auditory impairment, and may reveal as a permanent brain damage, if no proper therapeutic intervention is considered. In the present study some electro...

  • Publication . Article . 2017
    Open Access Persian
    Authors: 
    Vida Rahimi; Saeid Farahani; Maliheh Nobakht; Atoosa Saeidpour; Shohreh Jalaie;
    Publisher: Tehran University of Medical Sciences

    Background and Aim: Omega-3 fatty acid have structural and biological roles in the body 's various systems . Numerous studies have tried to research about it. Auditory system is affected a s well. The aim of this article was to review the researches about the effect of ...

  • Open Access Persian
    Authors: 
    Parviz Eslami;
    Publisher: Tehran University of Medical Sciences

    The study included 80 patients treated for sudden deafness over the last 5-7 years. Case history, laboratory findings, pure-tone audiogram and electronystagmography (ENG) findings were noted. If any abnormalities had been recorded in ENG studies, the studies were redone...

  • Open Access Persian
    Authors: 
    Afsaneh Yaghobi; Ali Ghorbani;
    Publisher: Tehran University of Medical Sciences

    Background and Aim: Learning language is acquired in early childhood and gradually developed by new words and new structures. Hearing sense is the most important acquisition for learning this skill. Hearing disorders are barriers for natural language learning. The purpo...