- 期刊
聲音刺激對於大腦不同部位腦波反應之研究
A Study of Brain Wave Responses for Sound Stimuli on Different Regions
摘要
人類生活在科技進步的時代，人工產物讓生活更加便利，因此也產生出許多令人不悅的聲音－噪音。過去的研究顯示，聲音種類形式會與身心健康方面有相關聯性，而大腦對於聲音的刺激都會有一定程度的反應與影響。當長期受到噪音的影響，除了對聽覺能力的下降與心理方面的改變外，也會造成注意力降低，增加在判斷決擇的失誤率與反應遲鈍的情形發生。自從腦電波圖(Electroencephalogram: EEG)發展以來，利用簡單聲音刺激來擷取大腦對聲音的生理反應，研究出聲音刺激與大腦反應的相互關係。為要了解大腦不同部位因聲音的刺激下，所產生事件相關電位(Event-Related Potential: ERP)之反應有何不同差異，因此設計一套聲音刺激實驗，針對20位受測者(平均年齡24.34歲)進行雙耳、右耳與左耳聲音刺激實驗。結果顯示，於三項實驗中所有受測者之ERP振幅，於88ms至200ms之間出現一最大的ERP峰對峰值，在雙耳聲音刺激實驗與左耳聲音刺激實驗之ERP峰對峰值，均較大於右耳聲音刺激實驗之ERP峰對峰值，並且雙耳聲音刺激實驗與左耳聲音刺激實驗，有顯著規律的右側半腦ERP振幅大於左側半腦之現象。
並列摘要
Human lives in the developed scientific and technological times, and artificial products create convenience of life. Thus, it might also create many unpleasant sounds such as noises. Previous research showed that human could create psychological and physiological relative effects from different sound form. The sound stimuli also affect a certain extent brain response. When a human is stimulated by the noise for a long time, there will be a hearing decline, increasing of error rate, and delay of response time. Since the Electroencephalogram (EEG) was developed, researchers have used simple sound stimuli to capture physiological response of the brain, and understood the correlation between sound stimuli and brain response. The purpose of this study is to evaluate brain Event-Related Potential (ERP) responses on different regions from sound stimuli. Therefore, a series of sound stimuli experiments were designed in this study. A total of 20 participants executed standard, right ear, and left ear oddball experiments. The results of 19 subjects showed that there was significantly greater peak-to-peak of ERP during 88ms to 200ms in these three experiments. The peak-to-peak of ERP in the standard and left ear oddball experiment was higher than those of ERP in the right ear oddball experiment. Furthermore, the peak-to-peak of ERP at the right hemisphere of the brain was higher than that of ERP at the left hemisphere of the brain.
延伸閱讀
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