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

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

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

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.

Original languageEnglish
Pages (from-to)415-425
Number of pages11
JournalLaterality
Volume15
Issue number4
DOIs
Publication statusPublished - 01-07-2010
Externally publishedYes

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Reaction Time
Hand
Mental Rotation
Motor Skills

All Science Journal Classification (ASJC) codes

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

Cite this

Takeda, Kotaro ; Shimoda, Nobuaki ; Sato, Yutaka ; Ogano, Misao ; Kato, Hiroyuki. / Reaction time differences between left- and right-handers during mental rotation of hand pictures. In: Laterality. 2010 ; Vol. 15, No. 4. pp. 415-425.
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Reaction time differences between left- and right-handers during mental rotation of hand pictures. / Takeda, Kotaro; Shimoda, Nobuaki; Sato, Yutaka; Ogano, Misao; Kato, Hiroyuki.

In: Laterality, Vol. 15, No. 4, 01.07.2010, p. 415-425.

Research output: Contribution to journalArticle

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