2016
DOI: 10.1590/s1679-45082016ao3586
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Abstract: Objective To establish reference intervals for cognitive potential P300 latency using tone burst stimuli.Methods This study involved 28 participants aged between 18 and 59 years. P300 recordings were performed using a two-channel device (Masbe, Contronic). Electrode placement was as follows: Fpz (ground electrode), Cz (active electrode), M1 and M2 (reference electrodes). Intensity corresponded to 80 dB HL and frequent and rare stimulus frequencies to 1,000Hz and 2,000Hz, respectively. Stimuli were delivered bi… Show more

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Cited by 26 publications
(15 citation statements)
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References 20 publications
(23 reference statements)
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“…In the current study, we investigated post-treatment neuroplasticity by measuring the P300 component of long-latency auditory evoked potential. P300 is seen as a promising assessment tool for the detection of central changes in patients with sensorineural hearing loss [79][80][81]. We succeeded in recording the P300 component in 6 of the 9 patients studied (66.7%), which is consistent with the rates reported in the literature [80].…”
Section: Degree Of Neuroplasticitysupporting
confidence: 86%
“…In the current study, we investigated post-treatment neuroplasticity by measuring the P300 component of long-latency auditory evoked potential. P300 is seen as a promising assessment tool for the detection of central changes in patients with sensorineural hearing loss [79][80][81]. We succeeded in recording the P300 component in 6 of the 9 patients studied (66.7%), which is consistent with the rates reported in the literature [80].…”
Section: Degree Of Neuroplasticitysupporting
confidence: 86%
“…In audiological practice, long-latency auditory evoked potentials (AEPs) can be used as an objective measurement of cognitive processes. 1 2 The great advantage of AEPs when compared with other neurocognitive methods, is the possibility of recording the neuronal activation associated with brain processing, making it possible to assess the brain areas activated during cognitive processing tasks. 3…”
Section: Introductionmentioning
confidence: 99%
“…Com relação aos valores de latência dos componentes do PEALL (P1, N1, P2, N2 e P3) com estímulo verbal, considerando a variável orelha avaliada, não foi observado diferença estatisticamente significante entre orelha direita e esquerda (Tabela1). Outras pesquisas também confirmam a equivalência do processo maturacional entre os lados direito e esquerdo na população pediátrica 3,4,5 e adulta 19,18,20 tanto para estímulos verbais quanto para não verbais 19 . Desta forma, infere-se que a maturação da via auditiva é semelhante entre as orelhas, isto é, o desenvolvimento das habilidades auditivas ocorre de forma sincrônica entre ambas.…”
Section: Discussionunclassified
“…O quadro 1 apresenta os parâmetros do estímulo utilizados para o registro dos PEALL do presente estudo. Porém destaca-se que se seguiram os parâmetros já adotados em estudos anteriores com o mesmo equipamento 5,17,8,6,18 . de superfície descartáveis, após a limpeza da pele da criança com pasta abrasiva (Nuprep®).…”
Section: Métodounclassified
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