Event-related cortical potentials occurring prior to speech initiation

Real time brain electrical potentials were obtained in subjects prior to the initiation of speech in a potential clinical paradigm using a single vertex electrode. The purpose of this research was to establish a real-time event related brain electrical potential system. Research in this area in the...

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Bibliographic Details
Published in:The Journal of the Acoustical Society of America 2016-04, Vol.139 (4), p.2220-2220
Main Authors: Smith, Silas, Ambris, Maira, Haller, Serena, Yonovitz, Al
Format: Article
Language:English
Online Access:Get full text
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Summary:Real time brain electrical potentials were obtained in subjects prior to the initiation of speech in a potential clinical paradigm using a single vertex electrode. The purpose of this research was to establish a real-time event related brain electrical potential system. Research in this area in the past has used a great number of facial and lip EMG electrodes. The marking point for determining the pre-event time epoch has been an EMG source. The data are typically acquired off-line and later averaged. This research uses a vocal signal as the marking point and displays in real time the event-related potential. The sample rate (25, 600 samples/s) permitted an analysis of both slow negative waves and faster neurogenic signals. Results indicated reliable waveform morphology within and between subjects.
ISSN:0001-4966
1520-8524
DOI:10.1121/1.4950651