REVIEW PAPER
DEVELOPMENT OF VOICE IN HEARING-IMPAIRED INDIVIDUALS: OVERVIEW OF PHYSIOPATHOLOGICAL ASPECTS
Karol Myszel 1, B-F  
,   Agata Szkiełkowska 2, A,D-F  
 
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1
Audiology and Phoniatrics, Center of Hearing and Speech, Kajetany, Poland
2
Audiology and Phoniatrics, Institute of Physiology and Pathology of Hearing, World Hearing Center, Kajetany, Poland
A - Research concept and design; B - Collection and/or assembly of data; C - Data analysis and interpretation; D - Writing the article; E - Critical revision of the article; F - Final approval of article;
CORRESPONDING AUTHOR
Karol Myszel   

Audiology and Phoniatrics, Center of Hearing and Speech, Kajetany, Mokra 7, 05-830, Kajetany, Poland
Submission date: 2020-04-25
Final revision date: 2020-07-31
Acceptance date: 2020-09-04
Publication date: 2020-11-16
 
J Hear Sci 2020;10(3):19–23
 
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ABSTRACT
This article presents an overview of information on the development of voice, based on a detailed analysis of the literature. The data demonstrate voice abnormalities in individuals with hearing impairment as compared to individuals with normal hearing. Many researchers believe that the main factor leading to voice abnormalities among hearing-impaired individuals is incorrect auditory feedback resulting from higher hearing thresholds. This lack of feedback leads to abnormal encoding of neuronal patterns in cortical regions of the brain, which results in a disrupted control of internal and external laryngeal muscles.