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研究生:林昱延
研究生(外文):Lin Yu-Yen
論文名稱:EEG於心理工作壓力量測之評估研究
論文名稱(外文):Evaluation of mental work stress using EEG
指導教授:王茂駿王茂駿引用關係
指導教授(外文):Wang Mao-Jiun
學位類別:碩士
校院名稱:國立清華大學
系所名稱:工業工程與工程管理學系
學門:工程學門
學類:工業工程學類
論文種類:學術論文
論文出版年:2002
畢業學年度:90
語文別:中文
論文頁數:96
中文關鍵詞:腦波心理工作壓力心智負荷β2振幅心跳血壓
外文關鍵詞:EEGmental work stressmental loadβ2 amplitudeheart rateblood pressure
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摘 要
由於工作設計不良或沒有考慮到人的荷負能力,進而增加了作業上的心智負荷,容易使工作者產生心理工作壓力,又壓力與先代文明疾病有很大的相關性存在,故可以了解到心理工作壓力的重要性,為了能有效預防過高的心理工作壓力,對於心理工作壓力的量測是必須的。之前研究指出,枕骨中線( Oz )β2( 20-30Hz )振幅對於量測心理工作壓力是非常有效的量測指標,故本研究將針對此點做進一步研究。
受試者共四十位,主要是依據年齡(20-29歲與30-39歲)和性別( 男生與女生 )來分成四個族群,然後從每一個族群隨機挑選十位身體建康符合實驗需求的受試者來參加實驗。
實驗設計採二個獨立樣本( 年齡和性別 )與三個相依樣本( 作業、區域、及困難度 )混合變異數實驗設計,利用主觀及客觀量測法對於由實驗操弄產生之心理工作壓力進行量測。結果顯示枕葉部左右腦區之β2振幅隨著工作困難度增加而上升,且女生之β2振幅大於男生,但在休息狀態卻無差異存在。雖然對於不同的作業有不同的活躍程度,但就主觀量測上,對於從事不同作業所感受到之心智負荷卻無差異存在,所以枕葉部之β2振幅用來量測心理工作壓力是非常有效的量測指標。其它量測指標(如心跳、血壓)雖然也隨著工作困難度增加而上升,但其上升的幅度不明顯,故用於量測心理工作壓力較不適當。
Abstract
Due to inappropriate work design or lack of consideration for employee workload, the increased mental load is likely to induce mental work stress, which relates much to modern diseases. Therefore it is not hard to discover the graveness of mental work stress. In order to effectively prevent mental work stress from elevating beyond acceptance, it is a must to measure mental work stress. Previous studies have shown the β2 amplitude of occipital midline as a useful index, and thus will be the focus of this research.
There were forty subjects, separated into four groups mainly according to age (20-29 year and 30-39 year) and sex, and then randomly selected ten subjects from each group whose body health conditions meet the demands of this experiment.
The experiment design was conducted with five-factor experiments with repeated measures on three factors, the two factors being age and sex, and the other three factors being work, area and difficulty. The mental work stress induced by the experiment was measured with subjective and objective measures. The results showed that the occipital area of the left and right brain have their β2 amplitude increased as work difficulty rises, that of female subjects higher than in men, but there was no difference during resting time. Though different under various conditions, the mental load is similar doing different work when measured subjectively. So the β2 amplitude is a useful index for estimating human work stress caused by various mental tasks. Other indices (such as heart rate and blood pressure) did not rise obviously despite the escalation going along with work difficulty; therefore it is less appropriate to use it to measure mental work stress.
目 錄
摘 要 …………………………………………………………………Ⅰ
誌 謝 …………………………………………………………………Ⅱ
目 錄 …………………………………………………………………Ⅲ
圖目錄 …………………………………………………………………Ⅵ
表目錄 …………………………………………………………………Ⅷ
第一章 緒論……………………………………………………………1
1.1 研究背景…………………………………………………………1
1.2 研究動機……………………………………………………………2
1.3 研究目的……………………………………………………………3
1.4 研究方法與步驟……………………………………………………3
第二章 文獻探討………………………………………………………5
2.1 工作壓力的定義…………………………………………………5
2.2 工作壓力與健康之關係…………………………………………9
2.3 工作壓力的評估方法……………………………………………10
2.4 有關心智負荷及壓力的腦波頻譜分析…………………………13
2.5 壓力對於性別及年齡的影響……………………………………15
2.6小結 ………………………………………………………………16
第三章 實驗方法與程序 ………………………………………………17
3.1 引言………………………………………………………………17
3.2 受試者……………………………………………………………17
3.3 實驗設備…………………………………………………………18
3.4 主觀問卷之介紹…………………………………………………21
3.5 心智作業介紹……………………………………………………22
3.6 實驗程序與方法…………………………………………………25
3.7 實驗設計…………………………………………………………29
第四章 實驗結果與討論 ………………………………………………30
4.1 作業績效之分析…………………………………………………30
4.1.1 工作能力之分析……………………………………………31
4.1.2 答對題數之分析……………………………………………33
4.1.3 錯誤率之分析………………………………………………35
4.1.4 反應時間之分析……………………………………………38
4.2 枕部腦波之分析…………………………………………………39
4.2.1 β波之分析 …………………………………………………39
4.2.1.1 β1波之分析 ……………………………………………40
4.2.1.1β2波之分析………………………………………………45
4.2.2 α波之分析 …………………………………………………49
4.2.3 θ波之分析 …………………………………………………50
4.3 主觀問卷之分析…………………………………………………56
4.4 心跳之分析………………………………………………………61
4.5 血壓之分析………………………………………………………64
4.6 閃光融合閾值(CFF) ……………………………………………67
4.7 綜合討論…………………………………………………………68
第五章 結論與建議……………………………………………………71
5.1 結論………………………………………………………………71
5.2 建議………………………………………………………………73
參考文獻…………………………………………………………………74
附錄一……………………………………………………………………78
附錄二……………………………………………………………………80
附錄三……………………………………………………………………84
附錄四……………………………………………………………………95
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