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뇌손상 장애인에서 가상운전 프로그램을 이용한 운전 재활
양호철,장순자,김경미,박시운,박철우,김종훈,김홍채,이숙희,이용석 대한재활의학회 2009 Annals of Rehabilitation Medicine Vol.33 No.3
Objective: To investigate the effect of driving-simulator based training for the persons with brain injury. Method: Twenty-seven brain injury patients and 19 healthy volunteers were included in this study. Driving simulator program was composed of an aptitude test (which have 4 items) and simulated road driving. The brain injury patients had 4 sessions of driving simulator training with assessment performed during the first and the last session. Healthy volunteers underwent only one driving simulator session for assessment. To evaluate subjective satisfaction in terms of training effect and the sense for the real, a survey was administered after the training. Results: In brain injury patients, there were significant improvements in both aptitude test and simulated road driving test after training (p<0.01). There were no significant differences between the scores of patients taken at the last session and the scores of healthy volunteers, while the scores of patients taken at the first session were significantly lower than those of healthy volunteers. The patients group reported positively in terms of training effect (81.5%) and the sense for the real (62.9%). Conclusion: A driving-simulator based training was effective for brain injury patients to regain driving skill. Objective: To investigate the effect of driving-simulator based training for the persons with brain injury. Method: Twenty-seven brain injury patients and 19 healthy volunteers were included in this study. Driving simulator program was composed of an aptitude test (which have 4 items) and simulated road driving. The brain injury patients had 4 sessions of driving simulator training with assessment performed during the first and the last session. Healthy volunteers underwent only one driving simulator session for assessment. To evaluate subjective satisfaction in terms of training effect and the sense for the real, a survey was administered after the training. Results: In brain injury patients, there were significant improvements in both aptitude test and simulated road driving test after training (p<0.01). There were no significant differences between the scores of patients taken at the last session and the scores of healthy volunteers, while the scores of patients taken at the first session were significantly lower than those of healthy volunteers. The patients group reported positively in terms of training effect (81.5%) and the sense for the real (62.9%). Conclusion: A driving-simulator based training was effective for brain injury patients to regain driving skill.
양호철,정병서,김동영,우주현,Yang, Ho Cherl,Jeong, Byoung Seo,Kim, Dong Young,Woo, Joo Hyun 대한후두음성언어의학회 2012 대한후두음성언어의학회지 Vol.23 No.2
Background and Objectives : Sulcus vocalis could be classified into type I, type IIa, and type IIb. There have been a little reports about voice quality and treatment results related with types of sulcus vocalis. The authors conducted an analysis of voice and treatment according to different types of sulcus vocalis. Materials and Methods : This study was based on a retrospective chart review. The sulcus types were classified into type I and type II. Objective and subjective voice assessments were analyzed. Patients were treated individually with voice therapy, percutaneous steroid injection, and injection laryngoplasty. Comparison was performed on the voice difference between type I group and type II group, and between pre-treatment and post-treatment of each types. Results : One hundred and one patients were enrolled into this study, and 49 patients were type I and 52 patients were type II. Type I group showed longer mean maximal phonation time (MPT) than type II group, although other voice parameters didn't show any difference between two groups. Even after the management, almost all of the voice parameters didn't show improvement except MPT of type II group. Conclusion:Although the type I sulcus has been known as a non-pathologic lesion, it can result in some degree of voice change and discomfort, and thus need an active management. In this study, voice therapy, percutaneous steroid injection, and injection laryngoplasty showed limited effect to the both types of sulcus vocalis. Further studies for management of sulcus vocalis were needed.
양호철(Ho-Cheol Yang),정일권(Ir-Kwon Jeong) 경희사이버대학교 미래고등교육연구소 2011 사이버사회문화 Vol.2 No.1
모바일 기반 온라인 서비스는 그 사용 영역이 기존의 데스크탑의 인터넷 영역과 차이로 인해 스마트폰의 이용에 있어서는 능동성이 요구되며, 즉시성을 기반으로 하는 애플리케이션이 많이 개발되고 있다. 이렇게 스마트폰의 특성은 명확한 반면, 스마트폰에 대한 시각은 통화기능을 가진 새로운 매체와 최신의 휴대폰으로 보는 다른 관점이 존재할 수 있다. 스마트폰 사용자들의 애플리케이션 활용집단과 비 활용집단은 따라서 어떠한 차이가 있는지를 기술수용이론을 중심으로 미국 휴대전화 소비자에 대한 자료를 이차분석(secondary-analysis)하여 살펴보았다. 연구결과 나이와 성별과 상관없이도 기술 장벽으로 인해 비 활용집단이 애플리케이션을 잘 활용하고 있지 못할 수 있음을 확인했고, 새로운 기술을 수용함에 따라 기존의 기술을 대체하는 과정도 확인할 수 있었다. 활용집단이 모바일 환경에서의 컴퓨팅환경에 점점 적응해 가는 반면 비 활용집단은 스마트폰을 구입하였음에도 기존에 익숙한 환경에서 벗어나고 있지 못하는 오버어답션 현상(over adoption)도 확인할 수 있었다. 연구 결과로 볼 때 아직도 스마트폰의 사용성은 개선되어야할 부분이 있다고 본다. 또한 활용집단은 스마트폰이 제공하는 애플리케이션들을 유용하게 사용하고 있다고 볼 수 있으므로 이들에게는 좀 더 새롭고, 유용한 스마트폰의 기능을 강조하는 것이 중요할 것이다. 반면 비 활용집단의 경우 이후에 스마트폰이 제공하는 애플리케이션들을 유용하게 사용하고 있지 못하므로, 이후에 다시 스마트폰을 사용하지 않을 수도 있지만 스마트폰의 사용성이 개선된다면 이들도 다시 스마트폰을 계속 사용할 수 있을 것이다. 재미있는 점은 비 활용집단의 경우 실제 스마트폰의 채택에 있어서 스마트폰의 유용성 보다는 주관적 표준에 의해 채택을 한 것을 알 수 있다. 따라서 스마트폰을 최신의 휴대전화, 내지는 가장 좋은 휴대전화라는 스마트폰의 판매 전략도 필요하다고 할 수 있다. Smart-phone adaption in everyday life is occurring at a rapid pace. Mobile- based on-line services are recognized for their intrinsic values. This value has increased the active use of smart-phones and has led to the creation of many useful applications based on the instantaneity of the service they offer. Regarding these applications, smart-phone user's view them mainly in two differently ways. This different perspective is based on usage; those who uses applications and who do not. In this article, we conduct secondary-analyses of two different groups of mobile phone users in the USA, mainly through the perspective of TAM(Davis, 1989). The result shows that the smart-phone is must improve in terms of its usability. Additionally, traditional calling and SMS communication technology may be replaced by a different technology supplied by a smart-phone application. The most interesting finding was that a distinct portion of the non-user group uses their smart-phone in a rather set way. An explanation of this distinct gap can help to improve to the theoretical understandings of the technical barrier, innovation shift, over-adoption phenomena related to smart-phones.