Long-time driving and monotonous visual environment increase the safety risk of driving in an extra-long tunnel. Driving fatigue can be effectively relieved by setting the visual fatigue relief zone in the tunnel. How...Long-time driving and monotonous visual environment increase the safety risk of driving in an extra-long tunnel. Driving fatigue can be effectively relieved by setting the visual fatigue relief zone in the tunnel. However, the setting form of visual fatigue relief zone, such as its length and location, is difficult to be designed and quantified. By integrating virtual reality(VR) apparatus with wearable electroencephalogram(EEG)-based devices, a hybrid method was proposed in this study to assist analyzers to formulate the layout of visual fatigue relief zone in the extra-long tunnel.The virtual environment of this study was based on an 11.5 km extra-long tunnel located in Yunnan Province in China.The results indicated that the use of natural landscape decoration inside the tunnel could improve driving fatigue with the growth rate of attention of the driver increased by more than 20%. The accumulation of driving fatigue had a negative effect on the fatigue relief. The results demonstrated that the optimal location of the fatigue relief zone was at the place where driving fatigue had just occurred rather than at the place where a certain amount of driving fatigue had accumulated.展开更多
Nowadays, there is a great need to investigate the effects of fatigue on physical as well as mental performance. The issues that are generally associated with extreme fatigue are that one can easily lose one’s focus ...Nowadays, there is a great need to investigate the effects of fatigue on physical as well as mental performance. The issues that are generally associated with extreme fatigue are that one can easily lose one’s focus while performing any particular activity whether it is physical or mental and this decreases one’s motivation to complete the task at hand efficiently and successfully. In the same line of thought, myriads of research studies posited the negative effects of fatigue on mental performance, and most techniques to induce fatigue to require normally long-time and repetitive visual search tasks. In this study, a visual search algorithm task was devised and customized using performance measures such as <em>d</em>’ (<strong>d-prime</strong>) and Speed Accuracy Trade-Off (<strong>SATF</strong>) as well as <strong>ROC</strong> analysis for classifier performance. The visual search algorithm consisted of distractors (<strong>L</strong>) and a target (<strong>T</strong>) whereby human participants had to press the appropriate keyboard button as fast as possible if they notice a target or not upon presentation of a visual stimulus. It was administered to human participants under laboratory conditions, and the reaction times, as well as accuracy of the participants, were monitored. It was found that the test image Size35Int255 was the best image to be used in terms of sensitivity and AUC (Area under Curve). Therefore, ongoing researches can use these findings to create their visual stimuli in such a way that the target and distractor images follow the size and intensity characteristics as found in this research.展开更多
Objectives:The purpose of this study is to investigate the effectiveness of meridian massage in lessening the fatigue and improving both physical and mental quality of life of cancer patients.Settings and design:This ...Objectives:The purpose of this study is to investigate the effectiveness of meridian massage in lessening the fatigue and improving both physical and mental quality of life of cancer patients.Settings and design:This study was conducted at the East-West Cancer Center at Daejeon University;Using a single-arm,waiting list and non-treatment control research de- sign,we compared the results of control group and to that of the experimental group.Materials and methods:From July 2,2007 to July 28,2007,eighteen eligible cancer patients were recruited to participate in the experiment.Modified Chalder Fatigue Scale(CFS),Visual Analogue Scale(VAS)and active oxygen level were measured before and after treatment for both control and experimental groups.Lying on their back or stomach inside a room with a temperature of 18-22℃,the pa- tients received 30 minutes of meridian massages mainly around the trapezius muscles 5 times a week. Statistical analysis used:Data analysis was carried out using independent t-test,paired t-test and One-way ANOVA. Results:Data analysis of modified CFS showed statistically significant results for all groups between before and after treat- ment.Within CFS,results of physical and psychological analysis showed significant results for all groups except before and after no treatment and secondary treatment.In the analysis of VAS,the experimental group showed a greater decrease in score compared to that of the control group and the average difference was statistically significant(P<0.05).Although the results were not statistically significant(P>0.05),active oxygen levels for the control group showed little difference before and after no treatment(331.11 and 330.78,respectively)while the experimental group observed a decrease in active oxygen level before and after treatment(327.28 and 314.11,respectively).Conclusion:In conclusion,patients who received meridian massage showed decreased cancer related fatigue scores compared to the control.These results suggest that meridian massage may alleviate cancer-related fatigue and contribute to the improvement in quality of life among cancer patients.展开更多
目的对近20年国内外卒中后疲劳康复领域的研究热点和未来发展趋势进行可视化分析。方法检索2002年11月至2023年11月中国知网和Web of Science(WoS)核心合集数据库相关文献。应用CiteSpace、VOSviewer、SPSS可视化分析关键词、国家/地区...目的对近20年国内外卒中后疲劳康复领域的研究热点和未来发展趋势进行可视化分析。方法检索2002年11月至2023年11月中国知网和Web of Science(WoS)核心合集数据库相关文献。应用CiteSpace、VOSviewer、SPSS可视化分析关键词、国家/地区、机构、研究热点及趋势。结果共纳入英文文献541篇,中文文献326篇。国内外卒中后疲劳康复领域相关文献发文量整体呈波动式上升。CNKI数据库中研究主要集中在探讨卒中后疲劳的发生机制、危险因素和疾病预后。其中,运动疗法、物理治疗等非药物干预方法是国内学者研究的热点。而在WOS数据库中研究更加关注卒中后疲劳患者抑郁、焦虑等心理问题,并积极探讨和制定精准化、规范化的卒中后疲劳的评估工具和治疗方案。卒中幸存者的延续治疗、社区康复是目前国外研究热点。结论未来对于如何准确的评定和测量疲劳水平有必要达成共识,卒中后疲劳的机制研究有必要进一步深入。卒中后疲劳的一级预防和基于社区的健康管理是未来的研究热点和趋势。展开更多
目的:对近10年老年卒中后疲劳(PSF)相关文献的研究现状、热点和趋势进行可视化分析,为后续研究提供参考。方法:检索Web of Science核心合集,收集2014年1月1日至2023年12月31日发表的老年PSF相关文献,运用R软件Bibliometric包、CiteSpace...目的:对近10年老年卒中后疲劳(PSF)相关文献的研究现状、热点和趋势进行可视化分析,为后续研究提供参考。方法:检索Web of Science核心合集,收集2014年1月1日至2023年12月31日发表的老年PSF相关文献,运用R软件Bibliometric包、CiteSpace 6.3.R1软件绘制发文量、机构、关键词、共被引文献的可视化图谱并进行解读分析。结果:共纳入805篇文献,涉及67个国家/地区,294个机构,305位作者。美国发文量、中心性均最高,各国需加强地区及院校间的合作。研究主题形成了抑郁、康复治疗、慢性疾病、生活质量和测量工具5个聚类效果较高的关键词聚类,关键词四象限图显示生活质量、抑郁、表现反应、骨骼肌、每搏输出量等是该领域既重要又有良好发展前景的主题,心力衰竭、机制、测量方法及量表、自我管理等是该领域重要但未取得良好发展的主题。近5年的突现词主要有抑郁、生活质量、风险因素、运动康复、有效性、社会冲击等。被引文献的聚类词有慢性疾病、健康相关生活质量、纵向研究等。结论:老年人PSF领域的研究热点主要集中在预后康复与心理护理研究,未来可进一步探索预见性护理和主客观结合的评估工具研发,迎合患者的个性化需求,构建完善的老年PSF的康复护理实践体系。展开更多
基金Project(2018YFB2101000) supported by the National Key R&D Program of ChinaProject(20YF1451400) supported by Shanghai Sailing Program,ChinaProject(SLDRCE19-A-14) supported by the Research Fund of State Key Laboratory for Disaster Reduction in Civil Engineering,China。
文摘Long-time driving and monotonous visual environment increase the safety risk of driving in an extra-long tunnel. Driving fatigue can be effectively relieved by setting the visual fatigue relief zone in the tunnel. However, the setting form of visual fatigue relief zone, such as its length and location, is difficult to be designed and quantified. By integrating virtual reality(VR) apparatus with wearable electroencephalogram(EEG)-based devices, a hybrid method was proposed in this study to assist analyzers to formulate the layout of visual fatigue relief zone in the extra-long tunnel.The virtual environment of this study was based on an 11.5 km extra-long tunnel located in Yunnan Province in China.The results indicated that the use of natural landscape decoration inside the tunnel could improve driving fatigue with the growth rate of attention of the driver increased by more than 20%. The accumulation of driving fatigue had a negative effect on the fatigue relief. The results demonstrated that the optimal location of the fatigue relief zone was at the place where driving fatigue had just occurred rather than at the place where a certain amount of driving fatigue had accumulated.
文摘Nowadays, there is a great need to investigate the effects of fatigue on physical as well as mental performance. The issues that are generally associated with extreme fatigue are that one can easily lose one’s focus while performing any particular activity whether it is physical or mental and this decreases one’s motivation to complete the task at hand efficiently and successfully. In the same line of thought, myriads of research studies posited the negative effects of fatigue on mental performance, and most techniques to induce fatigue to require normally long-time and repetitive visual search tasks. In this study, a visual search algorithm task was devised and customized using performance measures such as <em>d</em>’ (<strong>d-prime</strong>) and Speed Accuracy Trade-Off (<strong>SATF</strong>) as well as <strong>ROC</strong> analysis for classifier performance. The visual search algorithm consisted of distractors (<strong>L</strong>) and a target (<strong>T</strong>) whereby human participants had to press the appropriate keyboard button as fast as possible if they notice a target or not upon presentation of a visual stimulus. It was administered to human participants under laboratory conditions, and the reaction times, as well as accuracy of the participants, were monitored. It was found that the test image Size35Int255 was the best image to be used in terms of sensitivity and AUC (Area under Curve). Therefore, ongoing researches can use these findings to create their visual stimuli in such a way that the target and distractor images follow the size and intensity characteristics as found in this research.
文摘Objectives:The purpose of this study is to investigate the effectiveness of meridian massage in lessening the fatigue and improving both physical and mental quality of life of cancer patients.Settings and design:This study was conducted at the East-West Cancer Center at Daejeon University;Using a single-arm,waiting list and non-treatment control research de- sign,we compared the results of control group and to that of the experimental group.Materials and methods:From July 2,2007 to July 28,2007,eighteen eligible cancer patients were recruited to participate in the experiment.Modified Chalder Fatigue Scale(CFS),Visual Analogue Scale(VAS)and active oxygen level were measured before and after treatment for both control and experimental groups.Lying on their back or stomach inside a room with a temperature of 18-22℃,the pa- tients received 30 minutes of meridian massages mainly around the trapezius muscles 5 times a week. Statistical analysis used:Data analysis was carried out using independent t-test,paired t-test and One-way ANOVA. Results:Data analysis of modified CFS showed statistically significant results for all groups between before and after treat- ment.Within CFS,results of physical and psychological analysis showed significant results for all groups except before and after no treatment and secondary treatment.In the analysis of VAS,the experimental group showed a greater decrease in score compared to that of the control group and the average difference was statistically significant(P<0.05).Although the results were not statistically significant(P>0.05),active oxygen levels for the control group showed little difference before and after no treatment(331.11 and 330.78,respectively)while the experimental group observed a decrease in active oxygen level before and after treatment(327.28 and 314.11,respectively).Conclusion:In conclusion,patients who received meridian massage showed decreased cancer related fatigue scores compared to the control.These results suggest that meridian massage may alleviate cancer-related fatigue and contribute to the improvement in quality of life among cancer patients.
文摘研究密闭舱室中不同色温对视觉疲劳恢复的影响,以提高作业人员的舒适性和工作效率。在搭建的密闭舱室内设置2500 K、4000 K、6000 K三种色温的发光二极管(Light Emitting Diode,LED)灯光环境,采用卡罗林斯卡嗜睡量表(Karolinska Sleepiness Scale,KSS)和闪光融合临界频率(Critical Fusion Frequency,CFF)结合的方式,对25名被试人员在不同灯光环境下的疲劳程度和恢复程度进行主客观测量,并对数据进行分析。在6000 K LED灯光环境中休息后,KSS得分变化最大,表明高色温环境下主观疲劳恢复效果最佳;在2500 K LED灯光环境中休息后,KSS得分变化最小。在2500 K LED灯光环境下,CFF变化最大,表明低色温环境下客观疲劳恢复速度最快;而在4000 K LED灯光环境中,CFF变化最小,客观疲劳恢复速度最慢。根据不同的任务环境和作业需求,可以灵活选择适宜的LED灯光色温。在低色温灯光环境下休息,有助于缓解和消除视觉疲劳;在高色温灯光环境下工作,有利于提高作业人员的警觉度和精神状态。未来的光环境设计应考虑这些发现,以优化密闭舱室作业人员的工作效率和健康。
文摘目的对近20年国内外卒中后疲劳康复领域的研究热点和未来发展趋势进行可视化分析。方法检索2002年11月至2023年11月中国知网和Web of Science(WoS)核心合集数据库相关文献。应用CiteSpace、VOSviewer、SPSS可视化分析关键词、国家/地区、机构、研究热点及趋势。结果共纳入英文文献541篇,中文文献326篇。国内外卒中后疲劳康复领域相关文献发文量整体呈波动式上升。CNKI数据库中研究主要集中在探讨卒中后疲劳的发生机制、危险因素和疾病预后。其中,运动疗法、物理治疗等非药物干预方法是国内学者研究的热点。而在WOS数据库中研究更加关注卒中后疲劳患者抑郁、焦虑等心理问题,并积极探讨和制定精准化、规范化的卒中后疲劳的评估工具和治疗方案。卒中幸存者的延续治疗、社区康复是目前国外研究热点。结论未来对于如何准确的评定和测量疲劳水平有必要达成共识,卒中后疲劳的机制研究有必要进一步深入。卒中后疲劳的一级预防和基于社区的健康管理是未来的研究热点和趋势。
文摘目的:对近10年老年卒中后疲劳(PSF)相关文献的研究现状、热点和趋势进行可视化分析,为后续研究提供参考。方法:检索Web of Science核心合集,收集2014年1月1日至2023年12月31日发表的老年PSF相关文献,运用R软件Bibliometric包、CiteSpace 6.3.R1软件绘制发文量、机构、关键词、共被引文献的可视化图谱并进行解读分析。结果:共纳入805篇文献,涉及67个国家/地区,294个机构,305位作者。美国发文量、中心性均最高,各国需加强地区及院校间的合作。研究主题形成了抑郁、康复治疗、慢性疾病、生活质量和测量工具5个聚类效果较高的关键词聚类,关键词四象限图显示生活质量、抑郁、表现反应、骨骼肌、每搏输出量等是该领域既重要又有良好发展前景的主题,心力衰竭、机制、测量方法及量表、自我管理等是该领域重要但未取得良好发展的主题。近5年的突现词主要有抑郁、生活质量、风险因素、运动康复、有效性、社会冲击等。被引文献的聚类词有慢性疾病、健康相关生活质量、纵向研究等。结论:老年人PSF领域的研究热点主要集中在预后康复与心理护理研究,未来可进一步探索预见性护理和主客观结合的评估工具研发,迎合患者的个性化需求,构建完善的老年PSF的康复护理实践体系。
