2009
DOI: 10.1590/s1516-80342009000100014
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Caracterização da normalidade do P300 em adultos jovens

Abstract: RESUMOObjetivo: Comparar com a literatura os valores de latência e amplitude de P300 em adultos jovens brasileiros saudáveis a fim de estabelecer um padrão normativo para futuros estudos, e verificar se os valores encontrados na amostra possuem correlação com o sexo, situação proposta na metodologia do exame e fases do ciclo menstrual. Métodos: A amostra constou de 22 indivíduos saudáveis, sem queixa de desatenção, sem problemas neurológicos e auditivos, de 18 a 30 anos de idade. Todos os indivíduos foram subm… Show more

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Cited by 8 publications
(21 citation statements)
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“…However, in relation to the amplitude (Figure 4) to this potential, the women were higher, and the same findings were found in another study in the literature 26 .…”
Section: Discussionsupporting
confidence: 87%
See 2 more Smart Citations
“…However, in relation to the amplitude (Figure 4) to this potential, the women were higher, and the same findings were found in another study in the literature 26 .…”
Section: Discussionsupporting
confidence: 87%
“…In the same study 26 with normal-hearing young individuals , the counting of rare stimuli was carried out in two ways, first counting the stimuli and after counting and raising one hand. The average values found for P3 potential in the method of counting was 337,55ms and the counting method and raising one hand was 341,18ms.…”
Section: Resultsmentioning
confidence: 99%
See 1 more Smart Citation
“…The identification of AEP waves followed the criteria established in the literature (22,23) , including visualization of four "negative-positive-negative-positive" wave sequence peaks, considering the replication of the waveforms in both ears. In LLAEP investigation, the absolute latencies and amplitudes of N1, P2, N2 and P300 waves were identified and analyzed.…”
Section: Methodsmentioning
confidence: 99%
“…They reported the type of command, such as "pay attention to the infrequent stimulus," and "respond only to the infrequent stimulus" (17)(18)(19) . The types of tasks requested for the identification of the stimulus infrequent detected in the literature surveyed were: "mental counting" (2,3,7,9,11,20,21) ; "raising the finger" (6) ; "counting aloud" (12,22) ; "pressing the button" (23,24) and "counting and raising one hand" (25) . Although the task of "mentally counting" has been the most found in the literature, it is also the task that can cause more difficulties for the record analysis, because the patients with cognitive disorders or without evaluator effect control to the number reported at the end of the test can compromise the performance of the task or registration.…”
Section: Discussionmentioning
confidence: 99%