Affiliation:
1. Universidade Federal de Santa Maria, Brazil
2. Universidade Federal de Santa Maria, Brazil; Clínica Cóser, Brazil
Abstract
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 binaurally. Results Mean age of participants was 35 years. Average P300 latency was 305ms. Conclusion Maximum acceptable P300 latency values of 362.5ms (305 + 2SD 28.75) were determined for adults aged 18 to 59 years using the protocol described.
Reference30 articles.
1. Tratado de audiologia;Reis AC,2015
2. Maturação do sistema auditivo central em crianças ouvintes normais;Ventura LM;Pró-Fono Rev Atual Cient,2009
3. Audiologia clínica;Munhoz MS,2000
4. P300 com estímulo verbal e não verbal em adultos normo-ouvintes;Massa CG;Braz J Otorhinolaryngol,2011
5. Late potentials of the auditory system;McPherson DL,1996
Cited by
23 articles.
订阅此论文施引文献
订阅此论文施引文献，注册后可以免费订阅5篇论文的施引文献，订阅后可以查看论文全部施引文献