Reaction time differences between left- and right-handers during mental rotation of hand pictures

Kotaro Takeda, Nobuaki Shimoda, Yutaka Sato, Misao Ogano, Hiroyuki Kato

研究成果: Article

21 引用 (Scopus)

抜粋

During mental rotation tasks using hand pictures, right-handers make left-right judgements by mentally rotating their own hand to an orientation of the presented hand image. Although strategy difference for the tasks between left- and right-handers has been suggested, the strategy of left-handers has been incompletely understood. In the present study we compared differences in reaction times between 15 left-handed and 16 right-handed normal individuals during a mental rotation task using simple hand pictures. Participants were required to identify pictures of a hand presented in four orientations (upright, counterclockwise rotated, clockwise rotated, and inverted) as either a right or a left hand. Right-handers recognised a right hand faster than a left hand, whereas no significant difference was seen for left-handers. Both left- and right-handers recognised a right hand faster than a left hand in counterclockwise-rotated images, and recognised a left hand faster than a right hand in clockwise-rotated images. The findings suggest that the differences in the reaction times between left- and right-handers depend on a laterality balance of hand motor skills. During mental rotation task using simple hand pictures, left-handers may mentally simulate their own hand to match the stimulus image as similar to right-handers.

元の言語English
ページ(範囲)415-425
ページ数11
ジャーナルLaterality
15
発行部数4
DOI
出版物ステータスPublished - 01-07-2010
外部発表Yes

All Science Journal Classification (ASJC) codes

  • Arts and Humanities (miscellaneous)
  • Psychology(all)

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