Tactile Stimuli Increase Effects of Modality Compatibility in Task Switching.

Tactile Stimuli Increase Effects of Modality Compatibility in Task Switching.
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触觉刺激增加任务切换中模态兼容性的影响

DOI:
10.1027/1618-3169/a000291
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发表时间:
2015
影响因子:
1.3
通讯作者:
Stephan
Stephan
中科院分区:
心理学4区
文献类型:
--
作者:
Stephan

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模态兼容性是指刺激模态和反应相关的感官后果模态的相似性。先前的双任务研究发现,与模态兼容任务(听觉-声音/视觉-手动)相比,模态不兼容任务(听觉-手动/视觉-声音)的转换成本增加。目前的任务切换研究进一步检验了模态兼容性,并研究了振动触觉刺激作为视觉刺激的新型替代方案。有趣的是,与视觉听觉刺激组相比,触觉听觉刺激组对转换成本有更强的模式兼容性影响。我们认为,模态兼容性效应是基于中央处理代码的串扰,这是由于预期反应效果和指示该反应的刺激之间的意念运动“向后”联系。与视觉听觉刺激组相比,触觉听觉刺激组中的串扰增加,因为触觉手动任务中的意念运动兼容性更高。由于任务之间会产生串扰,因此性能仅在任务切换时受到影响,而在单个任务中不会受到影响。
Modality compatibility refers to the similarity of stimulus modality and modality of response-related sensory consequences. Previous dual-task studies found increased switch costs for modality incompatible tasks (auditory-manual/visual-vocal) compared to modality compatible tasks (auditory-vocal/visual-manual). The present task-switching study further examined modality compatibility and investigated vibrotactile stimulation as a novel alternative to visual stimulation. Interestingly, a stronger modality compatibility effect on switch costs was revealed for the group with tactile-auditory stimulation compared to the visual-auditory stimulation group. We suggest that the modality compatibility effect is based on crosstalk of central processing codes due to ideomotor “backward” linkages between the anticipated response effects and the stimuli indicating this response. This crosstalk is increased in the tactile-auditory stimulus group compared to the visual-auditory stimulus group due to a higher degree of ideomotor-compatibility in the tactile-manual tasks. Since crosstalk arises between tasks, performance is only affected in task switching and not in single tasks.
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