視覚運動系列学習課題に対する随伴的視覚刺激変化の影響(コミュニケーション支援及び一般)

概要

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People often experience difficulties when they perform a procedural action in an environment that differs from that of initial learning period. In this study we examined the effect of incidental environmental context on visuo-motor sequential learning. We used a sequential button press task in which subjects learned visuo-motor sequences by trial and error. Incidental (i.e., irrelevant to the task) visual environments (contexts) were presented while subjects performing the task. The visual contexts were either fixed or changed randomly in a session. We found that response times decreased when the incidental visual context was fixed in early stage of learning. However, this incidental visual context did not influence accuracy through entire block. After an extensive well-learning, the effect of visual context disappeared. These results suggest that the environmental context may influences performance time (i.e., speed), but without affecting not error rate (i.e., accuracy) in visuomotor sequential learning.
社団法人電子情報通信学会の論文
2007-05-17