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Event-related EEG time-frequency analysis and the Orienting Reflex to auditory stimuli.

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Title: Event-related EEG time-frequency analysis and the Orienting Reflex to auditory stimuli.
Authors: Barry, Robert J. (AUTHOR), Steiner, Genevieve Z. (AUTHOR), Blasio, Frances M. (AUTHOR)
Source: Psychophysiology. Jun2012, Vol. 49 Issue 6, p744-755. 12p.
Subjects: Electroencephalography, Time-frequency analysis, Sokolov, E. N., Orienting reflex, Auditory perception, Habituation (Neuropsychology)
Abstract: Sokolov's classic works discussed electroencephalogram ( EEG) alpha desynchronization as a measure of the Orienting Reflex ( OR). Early studies confirmed that this reduced with repeated auditory stimulation, but without reliable stimulus-significance effects. We presented an auditory habituation series with counterbalanced indifferent and significant (counting) instructions. Time-frequency analysis of electrooculogram ( EOG)-corrected EEG was used to explore prestimulus levels and the timing and amplitude of event-related increases and decreases in 4 classic EEG bands. Decrement over trials and response recovery were substantial for the transient increase (in delta, theta, and alpha) and subsequent desynchronization (in theta, alpha, and beta). There was little evidence of dishabituation and few effects of counting. Expected effects in stimulus-induced alpha desynchronization were confirmed. Two EEG response patterns over trials and conditions, distinct from the full OR pattern, warrant further research. [ABSTRACT FROM AUTHOR]
Copyright of Psychophysiology is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Psychology and Behavioral Sciences Collection
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  Data: Event-related EEG time-frequency analysis and the Orienting Reflex to auditory stimuli.
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  Data: <searchLink fieldCode="AR" term="%22Barry%2C+Robert+J%2E%22">Barry, Robert J.</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Steiner%2C+Genevieve+Z%2E%22">Steiner, Genevieve Z.</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Blasio%2C+Frances+M%2E%22">Blasio, Frances M.</searchLink> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Psychophysiology%22">Psychophysiology</searchLink>. Jun2012, Vol. 49 Issue 6, p744-755. 12p.
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  Data: <searchLink fieldCode="DE" term="%22Electroencephalography%22">Electroencephalography</searchLink><br /><searchLink fieldCode="DE" term="%22Time-frequency+analysis%22">Time-frequency analysis</searchLink><br /><searchLink fieldCode="DE" term="%22Sokolov%2C+E%2E+N%2E%22">Sokolov, E. N.</searchLink><br /><searchLink fieldCode="DE" term="%22Orienting+reflex%22">Orienting reflex</searchLink><br /><searchLink fieldCode="DE" term="%22Auditory+perception%22">Auditory perception</searchLink><br /><searchLink fieldCode="DE" term="%22Habituation+%28Neuropsychology%29%22">Habituation (Neuropsychology)</searchLink>
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  Data: Sokolov's classic works discussed electroencephalogram ( EEG) alpha desynchronization as a measure of the Orienting Reflex ( OR). Early studies confirmed that this reduced with repeated auditory stimulation, but without reliable stimulus-significance effects. We presented an auditory habituation series with counterbalanced indifferent and significant (counting) instructions. Time-frequency analysis of electrooculogram ( EOG)-corrected EEG was used to explore prestimulus levels and the timing and amplitude of event-related increases and decreases in 4 classic EEG bands. Decrement over trials and response recovery were substantial for the transient increase (in delta, theta, and alpha) and subsequent desynchronization (in theta, alpha, and beta). There was little evidence of dishabituation and few effects of counting. Expected effects in stimulus-induced alpha desynchronization were confirmed. Two EEG response patterns over trials and conditions, distinct from the full OR pattern, warrant further research. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Psychophysiology is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1111/j.1469-8986.2012.01367.x
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        Text: English
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      – SubjectFull: Sokolov, E. N.
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      – SubjectFull: Orienting reflex
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              Text: Jun2012
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