Auditory startle reflex inhibited by preceding self-action

Yousuke Kawachi, Yoshihiko Matsue, Michiaki Shibata, Osamu Imaizumi, Jiro Gyoba

研究成果: Article査読

3 被引用数 (Scopus)

抄録

A startle reflex to a startle pulse is inhibited when preceded by a prestimulus. We introduced a key-press action (self-action) or an 85dB noise burst as a prestimulus, followed by a 115dB noise burst as a startle pulse. We manipulated temporal offsets between the prestimulus and the startle pulse from 30-1,500ms to examine whether self-action modulates the startle reflex and the temporal properties of the modulatory effect. We assessed eyeblink reflexes by electromyography. Both prestimuli decreased reflexes compared to pulse-alone trials. Moreover, the temporal windows of inhibition were different between the types of prestimuli. A faster maximal inhibition and narrower temporal window in self-action trials suggest that preceding self-action inhibits the startle reflex and allows prediction of the coming pulse in different ways from auditory prestimuli.

本文言語English
ページ(範囲)97-102
ページ数6
ジャーナルPsychophysiology
51
1
DOI
出版ステータスPublished - 2014 1月
外部発表はい

ASJC Scopus subject areas

  • 神経科学(全般)
  • 神経心理学および生理心理学
  • 実験心理学および認知心理学
  • 神経学
  • 内分泌系および自律システム
  • 発達神経科学
  • 認知神経科学
  • 生物学的精神医学

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