Asymmetrical enhancement of middle-latency auditory evoked fields with aging

Asymmetrical enhancement of middle-latency auditory evoked fields with aging

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 asymmet...

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Veröffentlicht in:Neuroscience letters 2003-01, Vol.337 (1), p.21-24
Hauptverfasser: Yamada, Takako, Nakamura, Akinori, Horibe, Kentaro, Washimi, Yukihiko, Bundo, Masahiko, Kato, Takashi, Ito, Kengo, Kachi, Teruhiko, Sobue, Gen
Format: Artikel
Sprache:eng
Schlagworte:
Aged
Aged, 80 and over
Aging
Aging - physiology
Asymmetry
Auditory pathway
Auditory Pathways
Evoked Potentials, Auditory
Female
Humans
Magnetoencephalography
Male
Middle Aged
Middle-latency auditory evoked magnetic field
N100m
P50m
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Zusammenfassung: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
ISSN:0304-3940
1872-7972
DOI:10.1016/S0304-3940(02)01294-6