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  Asymmetrical enhancement of middle-latency auditory evoked fields with aging

Yamada, T., Nakamura, A., Horibe, K., Washimi, Y., Bundo, M., Kato, T., et al. (2003). Asymmetrical enhancement of middle-latency auditory evoked fields with aging. Neuroscience Letters, 337(1), 21-24. doi:10.1016/S0304-3940(02)01294-6.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0010-9E69-1 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-002C-1F7E-4
Genre: Journal Article

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yamada.pdf (Publisher version), 214KB
 
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 Creators:
Yamada, T., Author
Nakamura, Akinori1, Author              
Horibe, K., Author
Washimi, Y., Author
Bundo, M., Author
Kato, T., Author
Ito, Koji, Author
Kachi, T., Author
Sobue, G., Author
Affiliations:
1MPI of Cognitive Neuroscience (Leipzig, -2003), The Prior Institutes, MPI for Human Cognitive and Brain Sciences, Max Planck Society, ou_634574              

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Free keywords: Middle-latency auditory evoked magnetic field; Aging; Auditory pathway; Magnetoencephalography; P50m; N100m; Asymmetry
 Abstract: We studied the effects of aging on middle-latency auditory evoked fields (P50m), and analyzed their interhemispheric differences. Magnetic responses following tone-burst stimuli to the right ear were measured in groups of 11 younger and 15 elderly subjects. The elderly subjects showed marked asymmetry in the P50m amplitudes. In the elderly group, the mean amplitude of the contralateral P50m was significantly larger (P<0.0005) than that of the ipsilateral P50m, while no asymmetry was shown in the younger group. The amplitude enlargement in the contralateral P50m showed significant correlation with age (R=0.60, P<0.005), while the ipsilateral P50m showed no correlation with age. These results suggest that the contralateral and ipsilateral auditory pathways are affected differently by ageing.

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Language(s): eng - English
 Dates: 2003
 Publication Status: Published in print
 Pages: -
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 Table of Contents: -
 Rev. Method: -
 Identifiers: eDoc: 239431
Other: P6886
DOI: 10.1016/S0304-3940(02)01294-6
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Title: Neuroscience Letters
Source Genre: Journal
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Publ. Info: Amsterdam : Elsevier
Pages: - Volume / Issue: 337 (1) Sequence Number: - Start / End Page: 21 - 24 Identifier: ISSN: 0304-3940
CoNE: /journals/resource/954925512448