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Ordenar por: RelevânciaAutorTítuloAnoImprime registros no formato resumido
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Alcohol Effects on the P2 component of Auditory Evoked Potentials Anais da ABC (AABC)
HERNÁNDEZ,OSCAR H.; GARCÍA-MARTÍNEZ,ROLANDO; MONTEÓN,VÍCTOR.
This is a second part of a research aimed to study the effects of alcohol on the electrophysiological processes in student volunteers. The first part showed that alcohol slowed the Omitted Stimulus Potential (OSP). This work studied the ethanol effects on the parameters (i.e. rate of rise, amplitude and peak latency) of the P2 component of the evoked potentials (EPs) yielded by trains of auditory stimuli. It is hypothesized here that if P2 and OSP waves share some common neural processes then alcohol should also affect these specific parameters. A dose of 0.8 g/kg of alcohol or a placebo (0 g/kg) was administered to two groups of 15 young men who were tested before and again after treatment. The pre-post treatment change in each of the measurements was...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Alcohol; Auditory; Evoked potentials; Parameters.
Ano: 2014 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652014000100437
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Effect of auditory training on the middle latency response in children with (central) auditory processing disorder BJMBR
Schochat,E.; Musiek,F.E.; Alonso,R.; Ogata,J..
The purpose of this study was to determine the middle latency response (MLR) characteristics (latency and amplitude) in children with (central) auditory processing disorder [(C)APD], categorized as such by their performance on the central auditory test battery, and the effects of these characteristics after auditory training. Thirty children with (C)APD, 8 to 14 years of age, were tested using the MLR-evoked potential. This group was then enrolled in an 8-week auditory training program and then retested at the completion of the program. A control group of 22 children without (C)APD, composed of relatives and acquaintances of those involved in the research, underwent the same testing at equal time intervals, but were not enrolled in the auditory training...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Auditory processing; Auditory training; Central auditory processing disorder; Evoked potentials; Middle latency response.
Ano: 2010 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2010000800011
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Glass pipette-carbon fiber microelectrodes for evoked potential recordings BJMBR
Moraes,M.F.D.; Garcia-Cairasco,N..
Current methods for recording field potentials with tungsten electrodes make it virtually impossible to use the same recording electrode also as a lesioning electrode, for example for histological confirmation of the recorded site, because the lesioning procedure usually wears off the tungsten tip. Therefore, the electrode would have to be replaced after each lesioning procedure, which is a very high cost solution to the problem. We present here a low cost, easy to make, high quality glass pipette-carbon fiber microelectrode that shows resistive, signal/noise and electrochemical coupling advantages over tungsten electrodes. Also, currently used carbon fiber microelectrodes often show problems with electrical continuity, especially regarding electrochemical...
Tipo: Info:eu-repo/semantics/other Palavras-chave: Evoked potentials; Glass pipette-carbon fiber; Microelectrodes; Voltammetry.
Ano: 1997 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X1997001100010
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