Advanced Biomedical Engineering
Online ISSN : 2187-5219
ISSN-L : 2187-5219
Auditory Steady-State Responses in Magnetoencephalogram and Electroencephalogram:Phenomena, Mechanisms, and Applications
Keita TANAKAShinya KURIKIIku NEMOTOYoshinori UCHIKAWA
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2013 Volume 2 Pages 55-62

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Abstract

Auditory steady-state responses (ASSR) to sinusoidal amplitude-modulated (SAM) tones or to repeated clicks presented at rates between 10 and 70Hz have been recorded since the 1980's and some of the important studies are reviewed here. First, the basic methods of elicitation and measurement of ASSRs are presented, and studies on localization of ASSRs and elucidation of the generation mechanisms are reviewed. The amplitude and phase of ASSRs as functions of stimulation parameters are then reviewed. The effects of attention have also been studied and their implications for online ASSR-based brain-computer interface system are mentioned. Finally, possible applications of ASSRs for clinical use and for brain function studies are introduced. ASSRs provide a useful tool both for basic auditory studies and clinical uses such as audiometry.

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© 2013 Japanese Society for Medical and Biological Engineering
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