| Interhemisphere asymmetry of auditory evoked potentials in humans and mismatch negativity during sound source localization. | |
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MedLine Citation:
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PMID: 20544394 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Results of studies in humans of long-latency auditory evoked potentials and mismatch negativity in conditions of dichotic stimulation during presentation of deviant stimuli producing instantaneous changes in stimulus azimuth from the null to +22.5 degrees or movement at rates of 11.25-112.5 degrees/sec from the midline of the head across the left and right hemispheres towards each ear are presented. These studies showed that the total amplitude of the components of the N1-P2 complex of auditory evoked potentials in the frontal lead of the right hemisphere was greater than that in the left hemisphere. Mismatch negativity parameters showed significant relationships with the spatial position of the sound source, namely, its displacement into the right hemisphere from the position of the sound image of the standard signal. Questions of the involvement of the right hemisphere in discriminating the spatial characteristics of sound sources are discussed. |
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Authors:
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S F Vaitulevich; L B Shestopalova |
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Publication Detail:
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Type: Journal Article Date: 2010-06-12 |
Journal Detail:
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Title: Neuroscience and behavioral physiology Volume: 40 ISSN: 1573-899X ISO Abbreviation: Neurosci. Behav. Physiol. Publication Date: 2010 Jul |
Date Detail:
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Created Date: 2010-06-23 Completed Date: 2011-01-24 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0330471 Medline TA: Neurosci Behav Physiol Country: United States |
Other Details:
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Languages: eng Pagination: 629-38 Citation Subset: IM |
Affiliation:
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Pavlov Institute of Physiology, Russian Academy of Sciences, St. Petersburg, Russia. spv@infran.ru |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Adolescent Adult Auditory Perception / physiology* Evoked Potentials, Auditory / physiology* Female Functional Laterality / physiology* Humans Male Sound Localization / physiology* Young Adult |
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