The functional locus of the lateralized readiness potential

Hiroaki Masaki*, Nele Wild-Wall, Jörg Sangals, Werner Sommer

*この研究の対応する著者

研究成果: Article査読

86 被引用数 (Scopus)

抄録

The lateralized readiness potential (LRP) is considered to reflect motor activation and has been used extensively as a tool in elucidating cognitive processes. In the present study, we attempted to more precisely determine the origins of the LRP within the cognitive system. The response selection and motor programming stages were selectively manipulated by varying symbolic stimulus response compatibility and the time to peak force of an isometric finger extension response. Stimulus response compatibility and time to peak force affected response latency, as measured in the electromyogram, in a strictly additive fashion. The effects of the experimental manipulations on stimulus- and response-synchronized LRPs indicate that the LRP starts after the completion of response-hand selection and at the beginning of motor programming. These results allow a more rigorous interpretation of LRP findings in basic and applied research.

本文言語English
ページ(範囲)220-230
ページ数11
ジャーナルPsychophysiology
41
2
DOI
出版ステータスPublished - 2004 3

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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