• The Journal of Korean Physical Therapy
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• 제32권2호
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• pp.132-136
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• 2020

Purpose: The talk test (TT) is an alternative, self-reported method for prescribing and guiding exercise training in both healthy adults and patients with cardiovascular and pulmonary diseases. This study examined whether the TT is a valid tool for evaluating the exercise intensity during two different types of aerobic activity on a treadmill or stationary bicycle in a healthy population. Methods: A total of ten subjects (six males and four females) who had no medical history related to musculoskeletal, cardiovascular, and pulmonary disorders were enrolled in this study. They were evaluated using the TT, which consisted of three-level of difficulties demanding cardiac loads while performing aerobic activities on a treadmill and bicycle ergometer across two consecutive days in a counterbalanced manner. During the activities, the psychophysiological response markers were collected in terms of the heart rate, oxygen saturation, rating of perceived exertion, and metabolic equivalents. Results: Statistical analyses revealed a significant difference in the between-subject variance regarding the TT level effect (p<0.05). On the other hand, no significant findings were detected on the between-group variance(p>0.05) and the TT level×group interaction (p>0.05). The independent t-test indicated no significant differences in heart rate, oxygen saturation, rating of perceived exertion, and metabolic equivalents at any levels of the TT in the two groups. The TT showed a strong correlation with the rating of perceived exertion. Conclusion: This study showed that the TT is a valid and alternative tool for evaluating the aerobic exercise intensity in a healthy population. In addition, differences in the psychophysiological response markers between two aerobic activities, treadmill and bicycle ergometer, were detected in the same exercise intensity scaled with the TT. The TT can be used to evaluate and prescribe the exercise intensity of aerobic activity in cardiovascular and pulmonary physical therapy.

• 한국소음진동공학회:학술대회논문집
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• 한국소음진동공학회 2004년도 춘계학술대회논문집
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• pp.173-176
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• 2004

Nowadays, mobile devices are very common equipments such as mobile phone, PDA, etc. These equipments need information storage devices. Optical storage devices have more advantages than other storage devices, but it is not free from shock situation like dropping by user's mistakes. A complete model of a Small Form Factor Optical(SFFO) disk drive subject to shock loads is developed to investigate the response of the pickup/disk interface. With this model, we can simulate the drop test and consider the matters of shock simulation using commercial software(Ansys/LS-Dyna).

• 음성과학
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• 제8권4호
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• pp.75-86
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• 2001

This study explored the effectiveness of a hierarchical treatment of aphasic perseveration (TAP) program in a Korean client with transcortical sensory aphasia. The subject with 52% perserveration score (Korean version of Boston Naming Test : K-BNT) was 44 year-old female with MCA (Middle cerebral artery) infarction. The experimental design used was an alternating treatment design with the hierarchical TAP and conventional audio-visual stimulation. The frequency of occurrence of perseverative behaviors and correct response in naming performance were analyzed and compared. It was claimed that the hierarchical TAP was more effective in naming performance than conventional audio-visual stimulation in terms of correct naming response. The frequency of occurrence of perseverative behaviors was lower in hierarchical TAP but the difference was relatively small. Unlike in English, sentence completion task was no longer stimulable while unison speech was very stimulable among the specific strategies of TAP program in Korean. Therefore, it could be said that TAP is language-dependent.

• 지역사회간호학회지
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• 제11권1호
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• pp.222-230
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• 2000

Complementary & Alternative Medicine(CAM) have become increasingly popular with health care consumer in recent years. The nurse's attitude and beliefs about CAM will influence the response. to the patient's demands and inquiries. The purpose of this study is to evaluate the attitude and beliefs of nurses about CAM. The study was performed in 600 nurses from October to December in 1999 : Nurses were working one university hospital & one general hospital were located in TaeGu city. and two general hospitals located in Kyung Buk city. The study used specially designed questionnaire to 600 nurses, and analyzed by using descriptive statistics, ANOVA data based on 460 completed questionnaire. The findings of the study are as following. 1. The credible forms of subject about CAM were ranked acupunture (66.1%). herbal medicine(56.5%), Sooji chim (50.4%) et al. 2. In the credibility of subject about CAM there were not significant difference by age. clinical career, marriage, health status. The most reason of positive credibility was 'Being human perspective and spiritual supporting'. While the most reason of negative credibility was 'the lack of science test and doubt of disease treatment'. 3. In the experienced rate of subject about CAM there were significant difference not by health status but by age($x^2$=10.096, p= .006), clinical career($x^2$=7.648 p= .022), marriage($x^2$=9.317. p= .002). In the satistied rate of subject about CAM there were not significant difference by age, clinical career, marriage, health status 4. The most usable forms of subject about CAM in nurse's practice was Music therapy(55.9%), and ranked massage (50.9%), acupressure(32.8%). Sooji chim (27.8%) et al.

• 한국안광학회지
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• 제14권1호
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• pp.121-125
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• 2009

목적: 굴절부등의 발생률과 근시성 굴절부등의 양안 조절반응량, 각막굴절력 등을 알아보았다. 방법: 안질환이 없는 5세에서 89세의 남녀 808명 중 양안 근시성 굴절부등이 1.00D이상인 67명을 대상으로 하였으며, 양안개방형 자동굴절검사기(Nvision K-5001)를 이용해 검사를 실시하였다. 결과: 굴절부등이 있는 경우는 85명(10.5%)이였고, 그 중 67명(78.8%)이 근시성 굴절부등으로 나타났다. 근시성 굴절부등의 굴절이상이 강한 쪽과 약한 쪽으로 분리하여 양안 차이를 비교해 본 결과 등가구면굴절력은 -1.22D${\pm}$0.94로, 조절반응량은 -0.25D${\pm}$0.72로, 각막굴절력은 0.04D${\pm}$0.68로 나타났다. 또한 양안의 조절반응량이 같은 경우가 33명(49.3%), 근시가 약한 쪽이 많은 경우가 25명(37.3%), 근시가 강한 쪽이 많은 경우가 9명(13.4%)으로 나타났다. 결론: 근시성 굴절부등은 각막굴절력에 영향을 받지 않았으며, 양안 등가구면굴절력 차이에 비해 조절반응량의 차이가 적었다.

• Journal of Korean Biological Nursing Science
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• 제13권2호
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• pp.94-101
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• 2011

Purpose: The purpose of this study is to examine effects of Recorded Mother's Voice on weight and physiological reactions to the premature infants. Methods: This study was conducted on the nonequivalent control group pre-posttest quasi-experimental design and the subject group was the premature infants who were admitted in Neonatal Intensive Care Unit in Pusan National University Hospital. Total 50 infants, divided into two groups 25 experimental and control were participated in the study. The data were analyzed using frequency, %, chi-square test, t-test between the two groups. Results: The results of this study were as followingsfollowings; In the physical response(heart rate, respiration rate, pulse oximetry saturation), there were significant statistical difference between two groups. Conclusion: In short, it turned out that the intervention of the recorded mother's voice had some significance as nursing intervention with positive impacts. Such as improving infant's growth and stablizing their physical response. By providing the effectiveness of such intervention, the study will further provide the evidence-based information in developing the practice of pediatric nursing.

• 한국문헌정보학회지
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• 제47권3호
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• pp.296-320
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• 2013

이 연구의 목적은 대학 도서관의 브랜드 이미지 측정을 위한 연구모형을 제시하는 것이다. 도서관 브랜드 이미지의 구성요소를 추출하기 위하여 선행연구를 조사하여 도서관 브랜드 이미지의 구성차원을 기능적 이미지, 경험적 이미지, 상징적 이미지의 3개의 차원으로 나누고, 이를 다시 총 11개의 하부차원과 45개의 항목으로 구분하였다. 구분된 항목을 대상으로 IRT(item response test)와 군집분석을 실시하였으며, 그 결과 총 3개의 차원과 9개의 하부차원 그리고 27개의 항목이 도서관의 브랜드 이미지 영향요소로서 유효한 것으로 나타났다.

• 한국소음진동공학회논문집
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• 제15권9호
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• pp.1092-1099
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• 2005

This experimental study deals with the characteristics of LCD or PDP TV set noise, which are differ form those of CRT TV set. These characteristics are most important for establishing the effective method to reduce noise level, searching for the appropriate exposure level and evaluation method of LCD or PDP TV set noise. This study adopt two measurement method to specify the power level of LCD or PDP TV set noise in anechoic room(ISO 3741) and reverberation room(ISO 3745) . Comparing with each results of the two method, the reverberation room method is more simple in measuring and calculating the power level. And the subjective response test are carried out to select the pair of appropriate adjectives to present the characteristics of LCD or PDP TV set noise. The pair of 17 adjectives are selected from the 168 adjectives which are used in presenting the sound and noise form literature.

• 대한치과보철학회지
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• 제16권1호
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• pp.38-44
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• 1978

Color is an important factor in dental esthetics. Application of natural tooth color will not fail to produce pleasing results. But a standardized method of shade matching has not been adopted. If we are to overcome the color matching problem in dentistry, an understanding of the nature of color and light is essential. The purpose of this study was to compare the effects of different light sources and different background colors on the ability of observers to correctly match shades of artifical teeth. And observation was made to determine if the time spent in making a shade match was a factor in the correctness of the response. A test method was devised and 50 individuals made observations which were recorded and analyzed. $X^2$-test gave results indicating that the time factor had no effect on the response made. An analysis of variance showed the following effects significant at the five percent level; (1) light source (2) background color (3) subject. The following conclusions can be drawn from this study; (1) The time spent in making shade selection is not a factor in the correctness of the selections. (2) The light source used is an important factor in matching tooth shade; and there is no significant difference between the light sources in shade matching. (3) Under the conditions of this study, the greatest accuracy in shade matching was obtained on the brown background.

• 대한인간공학회지
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• 제33권5호
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• pp.377-386
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• 2014

Objective: In this study, we used resting-state fMRI data to map differences in functional connectivity between a comprehensive set of 8 distinct cortical and subcortical brain regions in healthy controls and Internet addicts. We also investigated the relationship between resting state connectivity strength and the level of psychopathology (ex. score of internet addiction scale and score of Barratt impulsiveness scale). Background: There is a lot of evidence of relationship between Internet addiction and impaired inhibitory control. Clinical evidence suggests that Internet addicts have a high level of impulsivity as measured by behavioral task of response inhibition and a self report questionnaire. Method: 15 Internet addicts and 15 demographically similar non-addicts participated in the current resting-state fMRI experiment. For the connectivity analysis, regions of interests (ROIs) were defined based on the previous studies of addictions. Functional connectivity assessment for each subject was obtained by correlating time-series across the ROIs, resulting in $8{\times}8$ matrixs for each subject. Within-group, functional connectivity patterns were observed by entering the z maps of the ROIs of each subject into second-level one sample t test. Two sample t test was also performed to examine between group differences. Results: Between group, the analysis revealed that the connectivity in between the orbito frontal cortex and inferior parietal cortex, between orbito frontal cortex and putamen, between the orbito frontal cortex and anterior cingulate cortex, between the insula and anterior cingulate cortex, and between amydgala and insula was significantly stronger in control group than in the Internet addicts, while the connectivity in between the orbito frontal cortex and insula showed stronger negative correlation in the Internet addicts relative to control group (p < 0.001, uncorrected). No significant relationship between functional connectivity strength and current degree of Internet addiction and degree of impulsitivy was seen. Conclusion: This study found that Internet addicts had declined connectivity strength in the orbitofrontal cortex (OFC) and other regions (e.g., ACC, IPC, and insula) during resting-state. It may reflect deficits in the OFC function to process information from different area in the corticostriatal reward network. Application: The results might help to develop theoretical modeling of Internet addiction for Internet addiction discrimination.