Mismatch Negativity in Children: Reference Values

Detalhes bibliográficos
Autor(a) principal: Ferreira,Dulce Azevedo
Data de Publicação: 2019
Outros Autores: Bueno,Claudine Devicari, Costa,Sady Selaimen de, Sleifer,Pricila
Tipo de documento: Artigo
Idioma: eng
Título da fonte: International Archives of Otorhinolaryngology
Texto Completo: http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1809-48642019000200142
Resumo: Abstract Introduction The Mismatch Negativity (MMN) auditory evoked potential evaluation is a promising procedure to assess objectively the ability of auditory discrimination. Objective To characterize the latency and amplitude values of MMN in children with normal auditory thresholds and without auditory complaints. Methods Children between 5 and 11 years old participated in the present study. All participants underwent acoustic immittance measurements and tonal and vocal audiometry. The MMN was recorded with the MASBE ATC Plus system (Contronic, Pelotas, RS, Brazil). The electrodes were fixed in Fz (active electrode), Fpz (ground electrode) and in M2 and M1 (references electrodes). The intensity used was 80 dBHL, the frequent stimulus was 1,000 Hz and the rare stimulus was 2,000 Hz. The stimuli were presented in both ears separately. Results For the female group, the mean latencies and amplitude of MMN were 177.3 ms and 5.01 μV in the right ear (RE) and 182.4ms and 5.39 μV in the left ear (LE). In the male group, themean latencies were 194.4 ms in the RE and 183.6ms in the LE, with an amplitude of 5.11 μV in the RE and 5.83 μV in the LE. There was no statistically significant difference between ears (p = 0.867 - latency and p = 0.178 - amplitude), age (p > 0.20) and the gender of the participants (p > 0.05). Conclusion Using the described protocol, the mean latency value of MMN was 184.0 ms for RE and 182.9 ms for LE, and the amplitude was 5.05 μV and 5.56 μV for the left and right ears, respective.
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spelling Mismatch Negativity in Children: Reference Valuesauditory evoked potentialelectrophysiologychildrenAbstract Introduction The Mismatch Negativity (MMN) auditory evoked potential evaluation is a promising procedure to assess objectively the ability of auditory discrimination. Objective To characterize the latency and amplitude values of MMN in children with normal auditory thresholds and without auditory complaints. Methods Children between 5 and 11 years old participated in the present study. All participants underwent acoustic immittance measurements and tonal and vocal audiometry. The MMN was recorded with the MASBE ATC Plus system (Contronic, Pelotas, RS, Brazil). The electrodes were fixed in Fz (active electrode), Fpz (ground electrode) and in M2 and M1 (references electrodes). The intensity used was 80 dBHL, the frequent stimulus was 1,000 Hz and the rare stimulus was 2,000 Hz. The stimuli were presented in both ears separately. Results For the female group, the mean latencies and amplitude of MMN were 177.3 ms and 5.01 μV in the right ear (RE) and 182.4ms and 5.39 μV in the left ear (LE). In the male group, themean latencies were 194.4 ms in the RE and 183.6ms in the LE, with an amplitude of 5.11 μV in the RE and 5.83 μV in the LE. There was no statistically significant difference between ears (p = 0.867 - latency and p = 0.178 - amplitude), age (p > 0.20) and the gender of the participants (p > 0.05). Conclusion Using the described protocol, the mean latency value of MMN was 184.0 ms for RE and 182.9 ms for LE, and the amplitude was 5.05 μV and 5.56 μV for the left and right ears, respective.Fundação Otorrinolaringologia2019-06-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S1809-48642019000200142International Archives of Otorhinolaryngology v.23 n.2 2019reponame:International Archives of Otorhinolaryngologyinstname:Fundação Otorrinolaringologia (FORL)instacron:FORL10.1055/s-0038-1667313info:eu-repo/semantics/openAccessFerreira,Dulce AzevedoBueno,Claudine DevicariCosta,Sady Selaimen deSleifer,Pricilaeng2019-07-16T00:00:00Zoai:scielo:S1809-48642019000200142Revistahttps://www.scielo.br/j/iao/https://old.scielo.br/oai/scielo-oai.php||iaorl@iaorl.org||archives@internationalarchivesent.org||arquivos@forl.org.br1809-48641809-4864opendoar:2019-07-16T00:00International Archives of Otorhinolaryngology - Fundação Otorrinolaringologia (FORL)false
dc.title.none.fl_str_mv Mismatch Negativity in Children: Reference Values
title Mismatch Negativity in Children: Reference Values
spellingShingle Mismatch Negativity in Children: Reference Values
Ferreira,Dulce Azevedo
auditory evoked potential
electrophysiology
children
title_short Mismatch Negativity in Children: Reference Values
title_full Mismatch Negativity in Children: Reference Values
title_fullStr Mismatch Negativity in Children: Reference Values
title_full_unstemmed Mismatch Negativity in Children: Reference Values
title_sort Mismatch Negativity in Children: Reference Values
author Ferreira,Dulce Azevedo
author_facet Ferreira,Dulce Azevedo
Bueno,Claudine Devicari
Costa,Sady Selaimen de
Sleifer,Pricila
author_role author
author2 Bueno,Claudine Devicari
Costa,Sady Selaimen de
Sleifer,Pricila
author2_role author
author
author
dc.contributor.author.fl_str_mv Ferreira,Dulce Azevedo
Bueno,Claudine Devicari
Costa,Sady Selaimen de
Sleifer,Pricila
dc.subject.por.fl_str_mv auditory evoked potential
electrophysiology
children
topic auditory evoked potential
electrophysiology
children
description Abstract Introduction The Mismatch Negativity (MMN) auditory evoked potential evaluation is a promising procedure to assess objectively the ability of auditory discrimination. Objective To characterize the latency and amplitude values of MMN in children with normal auditory thresholds and without auditory complaints. Methods Children between 5 and 11 years old participated in the present study. All participants underwent acoustic immittance measurements and tonal and vocal audiometry. The MMN was recorded with the MASBE ATC Plus system (Contronic, Pelotas, RS, Brazil). The electrodes were fixed in Fz (active electrode), Fpz (ground electrode) and in M2 and M1 (references electrodes). The intensity used was 80 dBHL, the frequent stimulus was 1,000 Hz and the rare stimulus was 2,000 Hz. The stimuli were presented in both ears separately. Results For the female group, the mean latencies and amplitude of MMN were 177.3 ms and 5.01 μV in the right ear (RE) and 182.4ms and 5.39 μV in the left ear (LE). In the male group, themean latencies were 194.4 ms in the RE and 183.6ms in the LE, with an amplitude of 5.11 μV in the RE and 5.83 μV in the LE. There was no statistically significant difference between ears (p = 0.867 - latency and p = 0.178 - amplitude), age (p > 0.20) and the gender of the participants (p > 0.05). Conclusion Using the described protocol, the mean latency value of MMN was 184.0 ms for RE and 182.9 ms for LE, and the amplitude was 5.05 μV and 5.56 μV for the left and right ears, respective.
publishDate 2019
dc.date.none.fl_str_mv 2019-06-01
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
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dc.identifier.uri.fl_str_mv http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1809-48642019000200142
url http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1809-48642019000200142
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv 10.1055/s-0038-1667313
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv text/html
dc.publisher.none.fl_str_mv Fundação Otorrinolaringologia
publisher.none.fl_str_mv Fundação Otorrinolaringologia
dc.source.none.fl_str_mv International Archives of Otorhinolaryngology v.23 n.2 2019
reponame:International Archives of Otorhinolaryngology
instname:Fundação Otorrinolaringologia (FORL)
instacron:FORL
instname_str Fundação Otorrinolaringologia (FORL)
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reponame_str International Archives of Otorhinolaryngology
collection International Archives of Otorhinolaryngology
repository.name.fl_str_mv International Archives of Otorhinolaryngology - Fundação Otorrinolaringologia (FORL)
repository.mail.fl_str_mv ||iaorl@iaorl.org||archives@internationalarchivesent.org||arquivos@forl.org.br
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