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系統識別號 U0026-0309201901124500
論文名稱(中文) 虛擬實境之生理訊號分析:於自然環境中之放鬆成效
論文名稱(英文) Physiological Signal Analysis in Virtual Reality: Relaxing Effects in Natural Environment
校院名稱 成功大學
系所名稱(中) 工業設計學系
系所名稱(英) Department of Industrial Design
學年度 107
學期 2
出版年 108
研究生(中文) 黃玲雅
研究生(英文) Ling-Ya Huang
學號 P36051105
學位類別 碩士
語文別 英文
論文頁數 72頁
口試委員 指導教授-謝孟達
口試委員-蕭世文
口試委員-楊智傑
口試委員-徐芳真
中文關鍵字 壓力  虛擬實境  放鬆  心率變異率 
英文關鍵字 stress  virtual reality  relaxation  heart rate variability 
學科別分類
中文摘要 現代人的生活忙碌,每日的生活中充滿壓力和挑戰,在生理、心理方面均造成各種影響,當心理感受到壓力、驚慌或恐懼時,便會影響生理的表現,如心跳、血壓和呼吸等等,這些反應是因為身體的自律神經產生變化所導致。而虛擬實境技術在近年來發展迅速,各家公司廠商在積極進行各種研發,虛擬實境也被廣泛的利用在不同領域。隨著這項技術的商品化,從專業的醫療、工程等領域的運用,到一般民眾可以隨手取得的遊戲和影片,讓虛擬實境逐漸在一般民眾的生活中普及。
因此,本研究欲利用日趨成熟的虛擬實境技術,探討人工建置之虛擬環境對人們紓壓放鬆的影響,藉由一般民眾即可取得的裝置,簡單達成日常紓解壓力、放鬆身心的效果,藉此調節神經系統,維持心理健康。
本研究以自然環境作為紓壓的場景代表,以Unity建置兩個情境,內容為相同元素構成之場景但差異化較大的天氣情境—晴天和雨天,藉由控制不同環境因子,搭配個別場景的聲音,探討對於受測者放鬆的成效,並以心率變異率作為評估的生理指標。實驗以受測者日常無介入狀態之生理指標作為前測,經過壓力測試後再分別進行不同虛擬實境場景體驗,測量並記錄整個過程中的變化,比較不同階段的生理狀態。實驗結果顯示,在壓力後的恢復效果上,兩個虛擬場景介入下的組別均比無介入下更有效,而在兩種天氣情境下,晴天情境體驗後之放鬆程度更優於日常無介入狀態,對於放鬆的效果更佳。此研究結果提供一種新的紓壓模式,可應用於未來放鬆紓壓之虛擬環境設計開發,並依控制不同環境因子來影響樣本的放鬆成果,讓未來在虛擬場景的建置能更有效率並運用至更廣泛的層面。
英文摘要 Busy lifestyle pushes modern people into pressures and challenges every day, influencing a lot on their physiology and psychology. Stress, panic or fear will affect their physiological performance like heart rate, blood pressure and breathing, which are caused by changes in their autonomic nerves. On the other hand, virtual reality technology has been prompted rapidly in recent years due to active engagement of companies and manufacturers in research and development, and virtual reality has also been widely used in different fields. With the commercialization of this technology, the application of virtual reality has been gradually popularized from professional fields like medical and engineering to games and movies readily available for ordinary people.
Therefore, the purpose of this study is to explore the effect of artificial virtual environment on people's relaxation by using increasingly mature virtual reality technology, so as to relieve daily stress and relax physically and mentally with devices available to the general public, by which to regulate the nervous system and keep mental health.
In this study, we take a natural environment as the scenario for stress relief by using Unity to construct two scenes with the same elements but different weather, sunny and rainy days. By controlling these environmental factors and configuring the sounds of individual scenario, we discuss the effect of relaxation on the experiment subjects and assessing their physiological indicators with heart rate variability. We use daily physiological indicators under a non-interventional state of the subjects as the pretest of the experiment, then subjects experience in different virtual reality scenes after taking a stress test. The changes in the whole process are measured and recorded to compare the physiological states at different stages. The experiment results show that the recovery after stress test of two groups intervened by virtual scenes are better than the group without intervention. Moreover, in these two groups with different weather conditions, the effect of relaxation after experiencing a sunny scene is better than a daily non-interventional state. The results of this study provide a new stress relief model that can be applied to the design and development of a virtual environment for relaxation. In addition, through controlling different environmental factors to influence the relaxing effect of subjects, the construction of a virtual scene can be more efficient in the future and used more widely.
論文目次 摘要 ……………………………………………………………………………………………………………iii
ABSTRACT ……………………………………………………………………………………………………………iv
ACKNOWKEDGEMENT ………………………………………………………………………………………………………………v
TABLE OF CONTENTS ………………………………………………………………………………………vi
LIST OF TABLES ………………………………………………………………………………………………………viii
LIST OF FIGURES ……………………………………………………………………………………………………………ix
CHAPTER 1 INTRODUCTION………………………………………………………………………………1
1.1 Research Background and Motivation……………………………………………………1
1.2 Research Purpose……………………………………………………………………………………………………2
1.3 Research Scope and Limitation…………………………………………………………………3
1.4 Research Framework and Flow Chart………………………………………………………4
CHAPTER 2 LITERATURE REVIEW…………………………………………………………………7
2.1 Virtual Reality………………………………………………………………………………………………………7
2.1.1 Virtual reality displays…………………………………………………………………………7
2.1.2 Application of virtual reality………………………………………………………10
2.2 Stress……………………………………………………………………………………………………………………………12
2.2.1 Stress and physiology………………………………………………………………………………13
2.2.2 Autonomic nervous system………………………………………………………………………15
2.2.3 Heart rate variability……………………………………………………………………………18
2.3 Study on Relaxing Effect of the Natural Environment and Music…………………………………………………………………………………………………………………………………………20
CHAPTER 3 RESEARCH METHOD……………………………………………………………………23
3.1 Questionnaire Survey………………………………………………………………………………………23
3.2 Likert Scale……………………………………………………………………………………………………………23
3.3 State-Trait Anxiety Inventory………………………………………………………………23
3.4 Focus Group ……………………………………………………………………………………………………………24
3.5 Virtual Reality……………………………………………………………………………………………………24
3.5.1 Environment Simulation method…………………………………………………………25
3.6 Electrocardiogram………………………………………………………………………………………………27
3.7 Analysis of Heart Rate Variability…………………………………………………30
3.8 Statistical Analysis………………………………………………………………………………………33
3.8.1 Descriptive statistics……………………………………………………………………………33
3.8.2 One-way analysis of variance……………………………………………………………33
3.8.3 Analysis of covariance……………………………………………………………………………35
3.8.4 Nonparametric test………………………………………………………………………………………35
CHAPTER 4 RESEARCH PROCESS…………………………………………………………………38
4.1 Experiment Design………………………………………………………………………………………………38
4.2 Descriptive Statistics of Pretest……………………………………………………43
4.3 Physiological Changes During the Stress Test………………………44
4.4 Descriptive Statistics of Samples During the Whole Process …………………………………………………………………………………………………………………………………45
4.5 Physiological indicators Comparison of Each Group at Different Stage ……………………………………………………………………………………………………………47
4.5.1 Mean HR ……………………………………………………………………………………………………………48
4.5.2 LF Power ……………………………………………………………………………………………………………51
4.5.3 HF Power ……………………………………………………………………………………………………………54
4.5.4 LF/HF ……………………………………………………………………………………………………………57
4.6 Discussion ……………………………………………………………………………………………………………60
CHAPTER 5 CONCLUSION AND SUGGESTION…………………………………………61
CHINESE REFERENCES………………………………………………………………………………………………………63
REFERENCES ……………………………………………………………………………………………………………64
APPENDIX 1 INFORMED CONSENT FORM…………………………………………………………69
APPENDIX 2 QUESTIONNAIRE………………………………………………………………………………71
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