Effect of 500 Hz stimulus phase reversal on the 20-35 Hz frequency component of the AEP

    Research output: Chapter in Book/Report/Conference proceedingConference Paper published in ProceedingsResearchpeer-review

    Abstract

    Auditory evoked potentials (AEP) were recorded to investigate the effect of phase reversal of the stimulus presentation. The Middle Latency Response (MLR) was captured for the presentation of both homophasic and antiphasic cases using trigger-synchronized epoch averaging. 500 Trials were used to obtain a clear elicited response for both the in-phase and out-phase presentation of the stimuli. The trials were epoched between 20 ms to 100 ms after stimulus presentation. This was achieved by the synchronized trigger signal to the onset of the stimuli. The homophasic stimulus was a 500 Hz Blackman-windowed pure tone with a duration of 18 ms followed by 200 ms of silence. The antiphasic stimulus was identical but was presented with phase reversal. The stimuli were presented as a block of 10 antiphasic tones followed by 10 homophasic tones for a total of 1000 tones.

    The compared MLR responses for the homophasic and antiphasic elicited events demonstrated electrophysiological evidence of binaural processing in the 20 - 40 Hz dominant frequency component.
    Original languageEnglish
    Title of host publicationProceeding for the 2011 World Congress on Engineering and Technology
    Place of PublicationBeijing, China
    PublisherIEEE, Institute of Electrical and Electronics Engineers
    Number of pages4
    ISBN (Print)978-1-61284-362-9
    Publication statusPublished - 2011
    Event2011 World Congress on Engineering and Technology - Shanghai, China
    Duration: 28 Oct 20112 Nov 2011

    Conference

    Conference2011 World Congress on Engineering and Technology
    Period28/10/112/11/11

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    Azam, S., Brown, T., Jonkman, M., & De Boer, F. (2011). Effect of 500 Hz stimulus phase reversal on the 20-35 Hz frequency component of the AEP. In Proceeding for the 2011 World Congress on Engineering and Technology Beijing, China: IEEE, Institute of Electrical and Electronics Engineers.
    Azam, Sami ; Brown, Travis ; Jonkman, Mirjam ; De Boer, Friso. / Effect of 500 Hz stimulus phase reversal on the 20-35 Hz frequency component of the AEP. Proceeding for the 2011 World Congress on Engineering and Technology. Beijing, China : IEEE, Institute of Electrical and Electronics Engineers, 2011.
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    abstract = "Auditory evoked potentials (AEP) were recorded to investigate the effect of phase reversal of the stimulus presentation. The Middle Latency Response (MLR) was captured for the presentation of both homophasic and antiphasic cases using trigger-synchronized epoch averaging. 500 Trials were used to obtain a clear elicited response for both the in-phase and out-phase presentation of the stimuli. The trials were epoched between 20 ms to 100 ms after stimulus presentation. This was achieved by the synchronized trigger signal to the onset of the stimuli. The homophasic stimulus was a 500 Hz Blackman-windowed pure tone with a duration of 18 ms followed by 200 ms of silence. The antiphasic stimulus was identical but was presented with phase reversal. The stimuli were presented as a block of 10 antiphasic tones followed by 10 homophasic tones for a total of 1000 tones. The compared MLR responses for the homophasic and antiphasic elicited events demonstrated electrophysiological evidence of binaural processing in the 20 - 40 Hz dominant frequency component.",
    author = "Sami Azam and Travis Brown and Mirjam Jonkman and {De Boer}, Friso",
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    Azam, S, Brown, T, Jonkman, M & De Boer, F 2011, Effect of 500 Hz stimulus phase reversal on the 20-35 Hz frequency component of the AEP. in Proceeding for the 2011 World Congress on Engineering and Technology. IEEE, Institute of Electrical and Electronics Engineers, Beijing, China, 2011 World Congress on Engineering and Technology, 28/10/11.

    Effect of 500 Hz stimulus phase reversal on the 20-35 Hz frequency component of the AEP. / Azam, Sami; Brown, Travis; Jonkman, Mirjam; De Boer, Friso.

    Proceeding for the 2011 World Congress on Engineering and Technology. Beijing, China : IEEE, Institute of Electrical and Electronics Engineers, 2011.

    Research output: Chapter in Book/Report/Conference proceedingConference Paper published in ProceedingsResearchpeer-review

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    N2 - Auditory evoked potentials (AEP) were recorded to investigate the effect of phase reversal of the stimulus presentation. The Middle Latency Response (MLR) was captured for the presentation of both homophasic and antiphasic cases using trigger-synchronized epoch averaging. 500 Trials were used to obtain a clear elicited response for both the in-phase and out-phase presentation of the stimuli. The trials were epoched between 20 ms to 100 ms after stimulus presentation. This was achieved by the synchronized trigger signal to the onset of the stimuli. The homophasic stimulus was a 500 Hz Blackman-windowed pure tone with a duration of 18 ms followed by 200 ms of silence. The antiphasic stimulus was identical but was presented with phase reversal. The stimuli were presented as a block of 10 antiphasic tones followed by 10 homophasic tones for a total of 1000 tones. The compared MLR responses for the homophasic and antiphasic elicited events demonstrated electrophysiological evidence of binaural processing in the 20 - 40 Hz dominant frequency component.

    AB - Auditory evoked potentials (AEP) were recorded to investigate the effect of phase reversal of the stimulus presentation. The Middle Latency Response (MLR) was captured for the presentation of both homophasic and antiphasic cases using trigger-synchronized epoch averaging. 500 Trials were used to obtain a clear elicited response for both the in-phase and out-phase presentation of the stimuli. The trials were epoched between 20 ms to 100 ms after stimulus presentation. This was achieved by the synchronized trigger signal to the onset of the stimuli. The homophasic stimulus was a 500 Hz Blackman-windowed pure tone with a duration of 18 ms followed by 200 ms of silence. The antiphasic stimulus was identical but was presented with phase reversal. The stimuli were presented as a block of 10 antiphasic tones followed by 10 homophasic tones for a total of 1000 tones. The compared MLR responses for the homophasic and antiphasic elicited events demonstrated electrophysiological evidence of binaural processing in the 20 - 40 Hz dominant frequency component.

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    Azam S, Brown T, Jonkman M, De Boer F. Effect of 500 Hz stimulus phase reversal on the 20-35 Hz frequency component of the AEP. In Proceeding for the 2011 World Congress on Engineering and Technology. Beijing, China: IEEE, Institute of Electrical and Electronics Engineers. 2011