Analysis of Auditory Brainstem Response Waveforms Derived Ipsilaterally and Contralaterally to Monaural Stimulation

Toshihiko Kato, Kimio Shiraishi, Akihide Imamura, Ken Ichi Kimura, Tetsuo Morizono, Toyoji Soda

研究成果: Contribution to journalArticle査読

2 被引用数 (Scopus)

抄録

The auditory brainstem responses (ABRs) obtained from 28 normal healthy adults were studied using the ipsilateral and contralateral recordings from the positions of vertex and each mastoid to monaural stimulation. Each wave of ABRs recorded by ipsilateral and contralateral derivations to stimulation site showed slightly significant differences. Comparing the ipsilateral and contralateral data, the latencies of waves II and V showed a slightly small reduction in the ipsilateral recording, while these of waves III and IV showed a small increase. Next, the distributions of potentials and latencies of waves II to V were investigated from ABRs situating different electrodes in mid-coronal array of the scalp and non-cephalic reference electrode on the seventh cervical vertebra (CVII). The results of latencies showed the reverse relation to the data obtained from the ipsilateral and contralateral recordings using the reference electrodes on each mastoid. These facts suggest that the comparable differences of latencies in the bilaterally recorded ABRs are explained by the pseudo-phenomena of differential recordings, which the phase delayed or advanced potential propagated to each mastoid being reference electrode position.

本文言語英語
ページ(範囲)96-102
ページ数7
ジャーナルAuris Nasus Larynx
22
2
DOI
出版ステータス出版済み - 1995

All Science Journal Classification (ASJC) codes

  • 外科
  • 耳鼻咽喉科学

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