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论文作者:www.51lunwen.org论文属性:硕士毕业论文 thesis登出时间:2013-03-18编辑:hynh1021点击率:1743
论文字数:12800论文编号:org201303161748065711语种:英语 English地区:中国价格:免费论文
摘要:这个项目的目的是找出脑电活动的特点及脑的位置,当一个人喜欢不同的音乐。脑电信号的采集与EEG记录的17通道。比较脑电特征当受试者享受音乐,当受试者在安静的阶段。
录制后的脑电信号,独立分量分析和其他分析方法将被使用在脑电特征之间的差异的五个阶段中。
Introduction引言
听音乐,欣赏它是一个复杂的过程,涉及到记忆,学习,和情绪。音乐是其操纵情绪的能力,给予听众的。Listening to Music and appreciating it is a complex process that involves memory, learning, and emotions. Music is remarkable for its ability to manipulate emotions in listeners. However, the exact way in which the brain processes music is still a mystery. https://www.51lunwen.org/informationmanagement/ Currently, there is tremendous interest in the possibility that the electroencephalogram (EEG) can indicate changes in brain activity when processing music.
The EEG is one of the most important tools in identifying the state of consciousness of a person. Traditionally, the most widely used method of EEG analysis has been decomposition into different frequency bands based on the Fourier Transform which implicitly assumes linearity. However, this assumption is generally not valid in the case of the EEG [1]. A number of methods of EEG analysis have been proposed in recent times such as independent component analysis (ICA).
Theory 理论
Electroencephalogram (EEG) is the recording of electrical activity along the scalp. EEG measures voltage fluctuations resulting from ionic current flows within the neurons of the brain.[2] (In clinical contexts, EEG refers to the recording of the brain's spontaneous electrical activity over a short period of time, usually 20–40 minutes, as recorded from multiple electrodes placed on the scalp. Diagnostic applications generally focus on the spectral content of EEG, that is, the type of neural oscillations that can be observed in EEG signals.)
Derivatives of the EEG technique include evoked potentials (EP), which involves averaging the EEG activity time-locked to the presentation of a stimulus of some sort (visual, somatosensory, or auditory)
Conclusions结论
因为感情是一个复杂的过程,其脑电波只是外在表现在具体状态的脑电活动,eeglab软件是用来确定当一个人在一个具体的状态时在大脑中的位置。Because the feeling is a complicated course, Its EEG wave is only external manifestation of the electric activity in the brain in a specifically state, EEGLAB software is used to confirm the location in brain when a person is in a specifically state. https://www.51lunwen.org/ This research, through comparing people’s EEG power spectrums between enjoying music and under quiet state, shows out the brain wave model of this state. The key characteristics of this model are that a obvious peak around 10Hz and the value around 40Hz of power spectra will decrease when listening to music, especially at the points C3, C4 and T8.