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Long latency auditory evoked potentials in children with sensorineural hearing loss

Grant number: 11/23971-6
Support Opportunities:Scholarships in Brazil - Scientific Initiation
Effective date (Start): April 01, 2012
Effective date (End): December 31, 2012
Field of knowledge:Health Sciences - Speech Therapy
Principal Investigator:Carla Gentile Matas
Grantee:Hellen Medeiros Kazan
Host Institution: Faculdade de Medicina (FM). Universidade de São Paulo (USP). São Paulo , SP, Brazil


Objective: to compare the long-latency auditory potentials in children with bilateral sensorineural hearing losses from mild to moderately severe with those obtained in normal-hearing children of the same age group. Methods: cross-sectional clinical study, consisting of two groups: control group - Group of 10 normal-hearing children, 6-13 years of age, of both genders, Research Group - Group of 10 children with sensorineural hearing loss of mild to moderately severe bilateral symmetry between the ears, aged 6 to 13 years of age, of both genders, with no prior experience with any type of sound amplification device. Will be recorded Auditory Evoked Potential Long-Latency (LLAEP) to research complex waves P1-N1-P2 and P300 (Cognitive potential) and use speech stimuli presented in the sound field system. Scientific contributions: It is necessary to identify differences between the patterns obtained from children with sensorineural hearing loss and the patterns obtained from normal-hearing children, intending to assist in the selection and fitting of hearing aids, as well as assisting in the rehabilitation of these individuals.(AU)

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