The effects of visual or auditory offset on response selection(Summary of Awarded Presentation at the 27th Annual Meeting)

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概要

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• This study investigated the perceptual factors that automatically activate spatially compatible responses. The task of each participant was to press a right or left response key according to the color of the central target. A visual (Experiment 1) or auditory (Experiment 2) task-irrelevant accessory stimulus commenced on, or was removed from, its left or right side. The responses were faster when the visual onset, visual offset, or auditory onset, occurred on the same side as the response. With an auditory accessory offset however, a reversed tendency was observed. When the response and the auditory offset were on opposite sides the responses were slightly faster than when they were on the same side. These results indicate that a transient change automatically activates a spatially compatible response in the visual modality whereas a sustained stimulation from an ongoing stimulus source is more important in the auditory modality. Our discussion concludes that this modality difference comes from the different spatial representations of these perceptual modalities.

• 2009-09-30

著者

• NISHIMURA Akio

  Tohoku University

• YOKOSAWA Kazuhiko

  The University of Tokyo

関連論文

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