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일측성 성대마비 환자에서 음성치료 효과를 예측할 수 있는 인자
정고은,김성태,김상윤,노종렬,남순열,최승호,Jeong, Go-Eun,Kim, Seong-Tae,Kim, Sang-Yoon,Roh, Jong-Lyel,Nam, Soon-Yuhl,Choi, Seung-Ho 대한후두음성언어의학회 2010 대한후두음성언어의학회지 Vol.21 No.2
Background and Objectives : Unilateral vocal fold paralysis is generally treated using injection laryngoplasty or voice therapy. However, the decision of treatment method is dependent on clinician's preference and hospital facilities without specific criteria. The purpose of the study was to examine factors predictive of voice therapy outcome in patients with unilateral vocal fold paralysis. Materials and Method : 38 patients diagnosed as unilateral vocal fold paralysis, aged from 24 to 81 years and undergone voice therapy more than 1 month were included. After 3 to 12 (mean 5.1) sessions of voice therapy, subjects had divided into responder group (RG, 28 patients) and non-responder group (NRG, 10 patients) according to G scale change. Paramters of perceptual assessment, acoustic and aerodynamic measure, and videostroboscopy were compared between two groups, and factors predictive of voice therapy result were analyzed. Results : RG patients showed significantly reduced rough, breathy, asthenic voice after voice therapy. Change of MPT and MFR was more substantial in RG than in NRG. By videostroboscopy, RG patients showed significantly more mucosal wave symmetry, glottal closure, reduced glottal gap index during the closed phase of phonation, while NRG patients showed more occurrences of abnomal supraglottic activities during phonation (p < 0.05). Poor outcome of voice therapy significantly associated with increased asthenic scale, short MPT, and less glottal closure (p=0.02). In addition, 90% of patients with MPT more than 5 seconds were in RG, whereas 56% of patients with MPT less than 5 secondes were in RG. Conclusion : Voice therapy is useful for large proportion of patients with unilateral vocal fold paralysis as an initial treatment method. However, patients with large asthenia scale, large glottic gap or MPT less than 5 seconds tend to have poor voice therapy outcome, and early injection laryngoplasty maybe recommended for these patients.
초등영어 학습용 챗봇의 구성과 한계 : AI 펭톡을 중심으로
정고은(Jeong, Go Eun),이대기(Lee, Dae Ki),이현정(Lee, Hyun Jeong),심창용(Sim, Chang-Yong),황필아(Hwang,Pil-Ah) 한국초등영어교육학회 2021 초등영어교육 Vol.27 No.4
The current study aims to investigate advantages and limitations of using AI-based chatbots in English classes. We propose that the followings are pivotal functions of educational chatbots: voice recognition accuracy, providing feedback, employing meaning negotiation strategies, interests, and Learning Management System. An AI-based chatbot, EBS PengTalk, was employed and the features were analysed. In addition, two surveys were conducted with a student group and a teacher group. The results show that EBS PengTalk has weaknesses in those five functions although voice recognition was reported rather satisfactory. It turned out that students were discouraged to talk to PengTalk because responses and feedbacks from PengTalk were prefabricated and limited with several demotivating features. It also turned out that PengTalk is inadequate to initiate self-directed learning. Thus, in developing educational chatbots, careful consideration should be given to users, teachers and students, not only chatbot features.
정고은 ( Jeong Go-eun ) 반교어문학회 2017 泮橋語文硏究 Vol.0 No.46
이 글은 방현석의 노동소설 <새벽출정>(1989)과 <내일을 여는 집>(1990)이 `노동자 계급의 전망`으로 환원되지 않는 소재와 주제에 천착했음에 주목하고, 그 의미와 한계를 밝혔다. <새벽출정>은 철순, 미정, 민영 세 여성 노동자들의 우정과 철순의 죽음, 위장 폐업 투쟁 과정을 아름답고 섬세하게 포착한다. 작가는 상대적으로 의식화가 덜 된 민영을 통해 당대의 눈으로는 주목되지 않은 갈등하고 회의하는 노동자의 내면을 그려냈으며 노동 그 자체의 의미를 사유할 수 있었다. 한편 <내일을 여는 집>은 남녀평등에 대한 진보적인 입장을 취하며 공장 노동과 가사 노동의 성별분업이 역전된 삶의 형태를 보여준다. 그러나 아버지에서 아들로 이어지는 남성 노동자 계급의 전망은 노동하고 투쟁하는 아내의 형상이 갖는 의미를 제한하는 결과로 작용하게 된다. This paper interprets Bang Hyeon-seok`s labor novels―“Off to Battle at Dawn”(1989) and “The House That Opens Tomorrow”(1990)―deal with subjects that are not reduced to `prospect of the working class`. Also this paper reveals its meaning. “Off to Battle at Dawn” captures beautifully and delicately the three women laborers` friendship, one`s death, and process of struggle. The writer depicted the inside of a laborer who conflict and doubt, that has not been received little attention by the eyes of the contemporary and could think of the meaning of labor itself, through a laborer who is relatively less conscientize. Meanwhile, “The House That Opens Tomorrow” takes a progressive position on equality between men and women and shows a form of life in which the sexual division of labor between the factory work and housework is reversed. But the prospect of the male working class, from father to son, limits the meaning of conception of wife who works and struggles.
이종익,정고은,김성태,김상연,남순열,김상윤,노종렬,최승호,Lee, Jong-Ik,Jeong, Go-Eun,Kim, Seong-Tae,Kim, Sang-Yeon,Nam, Soon-Yuhl,Kim, Sang-Yoon,Roh, Jong-Lyel,Choi, Seung-Ho 대한후두음성언어의학회 2012 대한후두음성언어의학회지 Vol.23 No.1
Background and Objectives : Vocal fold cyst is generally treated by surgical resection, it has a difference with vocal fold polyp, treated by conservative management first. Decrease in mucosal waves is known as main diagnostic criteria of vocal fold cyst. Sometimes there is a difficulty for diffrential diagnosis between cyst and polyp only by endoscopic examination. The purpose of the study is to identify the objective features of vocal cyst and polyp on the basis of voice analysis for the proper differential diagnosis, especially at high pitched phonation. Materials and Method : The voice analysis was done in 15 focal fold cyst patients and 42 vocal fold polyp. Parameters of perceptual assessment, acoustic and aerodynamic measure, and voice range profile were compared between two groups. Results : Vocal fold cyst patients showed significantly reduced MPT by acoustic and aerodynamic analysis, narrowed frequency-range and low maximun frequency by voice range profile analysis compared with vocal fold polyp patient. Maximun frequency 381 Hz is established for cut off value, differential diagnosis between cyst and polyp (ROC analysis, sensitivity 60%, specificity 68%). Conclusion : Voice analysis is helpful for differential diagnosis between vocal fold cyst and polyp, especially there is a difficulty for distinguish cyst from polyp at clinical situation by endoscopic examination. The result of decreased maximum frequncy at vocal fold cyst supports incomplete high-pitched phonation and falsetto regester at vocal fold cyst patients due to decreased mucosal wave, compared with vocal fold polyp patients.
최장발성폐기능저하를 동반한 일측성 성대마비 환자에서의 S/Z Ratio와 최장 발성시간(Maximum Phonation Time)의 유용성 비교
박준표,정고은,강병철,김성태,남순열,김상윤,노종렬,최승호,Park, Joon Pyo,Jeong, Go-Eun,Kang, Byung Chul,Kim, Seong-Tae,Nam, Soon Yuhl,Kim, Sang-Yoon,Roh, Jong-Lyel,Choi, Seung-Ho 대한후두음성언어의학회 2012 대한후두음성언어의학회지 Vol.23 No.2
Background and Objectives : MPT is directly related to degree of glottal closure. So it is widely used in the assessment of glottal closure with unilateral vocal fold paralysis. But MPT could be influenced not only by glottal closure but also by pulmonary function. So MPT might not reflect glottal closure in UVFP with decreased pulmonary function. The purpose of the study is to evaluate usefulness of MPT and ratio of /s/ time to /z/ time before and after injection laryngoplasty in UVCP with decreased pulmonary function. Materials and Methods : This study involved 34 patients with unilateral vocal fold paralysis : with decreased pulmonary function in group A (n=15) : with normal pulmonary function in group B (n=19). All patients underwent injection laryngoplasty. Paramters of perceptual analysis, acoustic analysis, aerodynamic analysis, videostroboscopy were compared between two groups. Results : Breathness and asthenic scale, G scale of perceptual analysis were significantly improved in both groups. Glottal gap index were significantly decreased after injection in both groups. In aerodynamic analysis, MPT was improved after injection laryngoplasty in both groups, but S/Z ratio was improved only in group B. In correlation analysis, /s/ time was not correlated with pulmonary function. Conclusion : S/Z ratio reflects neither the pulmonary function nor the glottal clousure properly. MPT is more useful indicator than S/Z ratio to evaluate vocal fold paralysis even with decreased pulmonary function.