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Analysis of Relationship between EEG and Event Basing on PCA

Author: MaXiangYu
Tutor: ChenZhiHua
School: Dalian Jiaotong University
Course: Applied Computer Technology
Keywords: EEG Principal component analysis Music Effects Acknowledge Plot
CLC: TP399-C8
Type: Master's thesis
Year: 2008
Downloads: 280
Quote: 0
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Abstract


Brain Research EEG data analysis is an important research method, through the human brain brain wave analysis of this information can be found in many studies we do not know the results and interpretation of human behavior phenomena. EEG analysis can also be mastered through the human brain activity patterns uncover the mysteries of the human brain, and can be applied to all walks of brain information science, in order to facilitate the production and life of human beings. This paper experiment by listening to music, cognitive experiments to obtain EEG information plot experiment, using principal component analysis its analysis, the human brain and music, the human brain and language, the human brain and attention among other factors relations, and to provide experimental brain research information and theoretical basis. In this paper, experimental music, cognitive experiments plot experiment three experiments, the subjects were 150 passengers experiment, EEG data collected more than 400. Application of principal component analysis method EEG data are processed to extract the first principal component, and calculate the contribution rate of the first principal component, but also through principal component loads on EEG data classification, and explore its own rules. In this study, three experiments using principal component analysis found that musical experiment, enjoy your favorite music EEG was significantly higher than the first principal component does not like to listen to music and quiet eyes closed. Former head, enjoy your favorite music and enjoy do not like the music, the impact of the first principal component of brain electrodes are in the right front and left front head head brain is relatively strong. Cognitive experiments, after the brain, from listening to Japanese to listen to Chinese during the EEG data, the first principal component is rising, and then from Chinese to quiet eyes closed during the first principal component appeared to decline. Experimental plot, the calculated state higher than the first principal component EEG eyes closed when the first principal component, but significantly higher than plot eyes closed state after the first principal component. In the present study, experimental music shows in different musical background, former head around the brain will be affected by the impact of different music, but also on the person's feelings, emotions, emotions have an important impact. In cognitive experiments, because of the involvement of brain function is more complex language, means of principal component analysis is not easy to draw the whole head regularly analyze the results. But in the back of the head of a wave showing the law can still be made for future research meaningful bedding. Plot experiments show that the human brain can concentrate, the human brain is very active, the first principal component was significantly higher than the other ingredients, which most people do things, do not do two powerful evidence.

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