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Electroacoustic verification of frequency modulation systems in cochlear implant users

Grant number: 14/20398-1
Support Opportunities:Scholarships in Brazil - Doctorate
Effective date (Start): August 01, 2015
Effective date (End): July 31, 2017
Field of knowledge:Health Sciences - Speech Therapy
Acordo de Cooperação: Coordination of Improvement of Higher Education Personnel (CAPES)
Principal Investigator:Adriane Lima Mortari Moret
Grantee:Vanessa Luisa Destro Fidêncio
Host Institution: Faculdade de Odontologia de Bauru (FOB). Universidade de São Paulo (USP). Bauru , SP, Brazil


Introduction: The electroacoustic test recommended to assist audiologists in the selection, verification and adaptation of Frequency Modulation (FM) Systems in users of hearing aids measures the transparency between the two devices. These electroacoustic measures are not feasible with cochlear implants (CI), because there is no standard method available to measure the electrical output of the sound processor of the cochlear implant. At the same time, the use of a electroacoustic verification protocol of FM System in CI is essential for device settings can be performed to provide an ideal listening situation. Objective: Conduct a verification protocol for testing electroacoustic FM systems coupled to three different CI processors sounds and determine the validity of the protocol by means of measures of behavioral performance of participants. Methods: The electroacoustic verification protocol will be accomplished through the use of equipment Audioscan Verifit (VF-1) with HA-1 coupler, and the use of the check corresponding to each sound processor CI listening device. To evaluate the perception of speech in noise, the procedure will be performed applying the Brazilian version of the Hearing in Noise Test (HINT), free field in two moments: before the measurements of electroacoustic protocol and after measurements and adjustment gain of the FM system. (AU)

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Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
DESTRO FIDENCIO, VANESSA LUISA; DE SOUZA JACOB, REGINA TANGERINO; TANAMATI, LIEGE FRANZINI; BUCUVIC, ERIKA CRISTINA; MORTARI MORET, ADRIANE LIMA. Verificação eletroacústica de sistemas de frequência modulada em usuários de implante coclear. Brazilian Journal of Otorhinolaryngology, v. 85, n. 2, p. 162-169, . (14/20398-1)
Academic Publications
(References retrieved automatically from State of São Paulo Research Institutions)
FIDÊNCIO, Vanessa Luisa Destro. Electroacoustic verification of frequency modulation systems in cochlear implant users. 2017. Doctoral Thesis - Universidade de São Paulo (USP). Faculdade de Odontologia de Bauru (FOB/SDB) Bauru.

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