Measurement of Auditory Evoked Brain Responses Elicited by Ipsilateral and Contralateral Ear Stimulation with a High-Sensitivity SQUID System

T. Yoshiura, S. Ueno, K. Iramina, K. Masuda

Research output: Contribution to journalArticle

Abstract

The effects of the stimulation Side on human middle latency auditory evoked responses (MLR) were investigated with a high-sensitivity 7- channel dc SQUID system. We recorded middle latency auditory evoked magnetic fields elicited by ipsilateral and contralateral ear stimuli, and compared the amplitudes and latencies of the magnetic equivalents of Pa and Pb responses, which are the two main components of MLR. The amplitude of the contralateral Pa response was found to be significantly larger than the ipsilateral Pa response. On the other hand, no significant difference was observed in the latencies of Pa and Pb between the ipsi- and contralateral responses.

Original languageEnglish
Pages (from-to)4710-4712
Number of pages3
JournalIEEE Transactions on Magnetics
Volume30
Issue number6
DOIs
Publication statusPublished - Nov 1994

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Electrical and Electronic Engineering

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