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A Blue Mind: A Brain Computer Interface Study onthe Cognitive Effects of Text Colors

机译:蓝心:大脑计算机接口对文本颜色的认知效果的研究

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Aims: The paper reports results obtained from a set of experiments aiming to demonstrate the potentiality of the use of EEG signal detection through BCI devices in improving the analysis and the interpretation of colors-driven cognitive processes. The approach combines Information Technology methods and signal analysis with cognitive science investigation methods, considering the rising interest in these two disciplines in learning sciences.Study Design: The presented experiment has been designed with the aim to compare the results of the traditional (qualitative and quantitative) cognitive analysis approach with the EEG signal analysis of the evoked potentials collected from participants.Methodology: A sample of 38 students has been involved in a learning process during which they received visual stimuli based on colour variation. The stimuli concerned both the background of the text to learn and the colour of the characters. The colours represent the sensorial stimulus, while the cognitive task consists in remembering the words appearing on the screen, with different combination of foreground (words) and background colors.Results and Conclusions: The obtained results show interesting learning effects of primary (RGB) or complementary (CMY) colours as well as EEG correlates.
机译:目的:该论文报告了一系列实验的结果,旨在证明通过BCI设备使用脑电信号检测在改善对色彩驱动的认知过程的分析和解释方面的潜力。该方法将信息技术方法和信号分析与认知科学调查方法相结合,考虑到这两个学科对学习科学的兴趣不断提高。研究设计:设计的本实验旨在比较传统(定性和定量)结果)认知分析方法,通过对参与者收集的诱发电位进行EEG信号分析。方法:样本38名学生参与了学习过程,在此过程中,他们根据颜色变化接受了视觉刺激。刺激既涉及要学习的文本的背景,也涉及字符的颜色。颜色代表感觉刺激,而认知任务在于记住屏幕上出现的单词,具有前景(单词)和背景颜色的不同组合。结果和结论:获得的结果显示了有趣的学习效果,主要是RGB或RGB。互补色(CMY)以及脑电图相关。

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