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Erschienen in:
2011 | OriginalPaper | Buchkapitel
The Changes in Performance during Stress-Inducing Cognitive Task: Focusing on Processing Difficulty
verfasst von : Jinyoung Song, Taewon Chung, Jinwon Kang, Kichun Nam
Erschienen in: Future Information Technology
Verlag: Springer Berlin Heidelberg
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One stress-inducing task and two cognitive tasks were used to investigate how these tasks influence one’s cognitive capability. First, the participants performed stress-inducing tasks for 5 minutes. They were then divided into two separate groups, and were given two kinds of cognitive load tasks which differed in difficulty levels. Finally, a cognitive task for evaluating cognitive capabilities of the two groups was conducted. This procedure was repeated 4 times, 2 minutes for each task, which showed that there was a tendency of improved performance over time. We found no reaction time and performance rate changes with respect to processing difficulty. However, the interaction between difficulty and repetition was significant, which meant participants who were assigned to easier tasks showed unstable performance compared to those who were assigned to high-difficulty tasks. These results suggest that imposing a proper amount of stress and cognitive load could promote cognitive performance in general.