切り替えコストの非対称性―片側性準備電位による検討―

DOI Web Site 被引用文献1件 参考文献17件

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  • Asymmetric switch cost: An investigation using lateralized readiness potentials
  • キリカエ コスト ノ ヒタイショウセイ ヘンソクセイ ジュンビ デンイ ニ ヨル ケントウ

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Switching to a dominant task incurs larger costs than switching to a non-dominant task. This study investigated whether this cost asymmetry derives from the inhibition of the dominant task rule that occurred during the previous trial. Participants were presented with a five-letter array consisting of “左” (left) and “右” (right), “右右右右右”, “左左左左左”, “右右左右右”, and “左左右左左”, and asked to respond to the central target letter after being informed about the task rule with a pre-cue. The rule was switched between dominant (left-hand to “左”, right-hand to “右”) and non-dominant tasks (right-hand to “左”, left-hand to “右”) every two trials. Reaction times revealed the asymmetrical switch cost and the effect of target-flanker congruency. Stimulus-locked lateralized readiness potentials showed that the dominant task rule was inhibited during the non-dominant task, whereas this inhibition was not carried over to the dominant task trial.

収録刊行物

  • 心理学研究

    心理学研究 82 (1), 16-23, 2011

    公益社団法人 日本心理学会

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