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The Egyptian Journal of Otolaryngology
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Prevalence of mismatch negativity with tonal stimuli in normal-hearing individuals

The Egyptian Journal of Otolaryngology volume 32, pages 57–60 (2016)Cite this article

Abstract

Electrophysiological measures are one of the objective modes of assessment to check the integrity of the auditory function. The endogenous potentials like mismatch negativity (MMN) are responses which are due to internal events such as cognition or perception. In clinical practice and researches it was observed that MMN not present in all normal hearing individual. So, there is a need to study prevalence of MMN in normal population, which helps the researchers and clinicians in interpreting clinical findings. 50 participants recruited in the age range of 18–25 years. MMN was recorded with pair of stimuli. The pair was having /1000Hz/ and /1100Hz/ with /1000Hz/ as frequent stimulus and /1100Hz/ as the infrequent stimulus. Out of 50 normal hearing subjects, MMN was present only in 33 normal hearing subjects (66%). So clinician should be cautious during interpretation of clinical findings using MMN in abnormal population.

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Authors and Affiliations

  1. Department of Audiology, All India Institute of Speech and Hearing, Mysore-6, Karnataka, India

    Himanshu Kumar Sanju & Prawin Kumar

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  1. Himanshu Kumar Sanju
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  2. Prawin Kumar
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Correspondence to Himanshu Kumar Sanju.

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Sanju, H.K., Kumar, P. Prevalence of mismatch negativity with tonal stimuli in normal-hearing individuals. Egypt J Otolaryngol 32, 57–60 (2016). https://doi.org/10.4103/1012-5574.175857

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