• Journal of Oral Medicine and Pain
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• 제33권4호
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• pp.295-303
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• 2008

목적: 혀의 해부학적 위치에 따른 촉각식별능의 차이를 조사하고 이것과 심상유두의 개수 사이에 관련성이 있는지의 여부를 확인하기 위해서 본 연구를 시행하였다. 방법: 현재 복용 중인 약물이 없고, 과거 장기간 약물을 복용한 경험이 없었으며, 전신질환이 없는 건강한 남녀 13명(평균 연령 $30{\pm}3$세)을 대상으로 혀의 수초성 $A{\delta}$ 섬유와 무수초성 C 섬유와 관련한 촉각식별능을 알아보기 위해서 Castroviezo $caliper^{(R)}$를 이용한 두점식별검사를 실시하였다. 심상유두의 개수는 methylene blue로 혀를 염색해서 심상유두를 확인하여 개수를 세었다. 결과: 1. 혀의 전방부와 후측방부위의 심상유두개수를 세어 본 결과, 남자는 전방과 후측방이 각각$51.69{\pm}14.15$개, $12.92{\pm}6.13$개였으며, 여자는 $58.85{\pm}13.56$개, $16.23{\pm}6.38$개였다. 남녀 모두 후측방에 비해 전방부에서 유두의 개수가 3배 이상 많은 것을 관찰할 수가 있다. 2. 두 점으로 식별해내는 최소한의 거리는 전방에서 평균 $1.91{\pm}0.74mm$였으며, 성별에 따라 나눠 다시 분류했을 때, 남자의 인식 역치가 높은 것으로 관찰되었으나, 성별에 따른 통계적 유의성은 나타나지 않았다. 3. 두점식별거리를 기준으로 네 개의 그룹으로 나누었을 때, 거리가 증가할수록 심상유두의 개수가 감소하는 경향을 보였다. 그러나, 두점인지역치와 심상유두의 개수 간에 통계적 유의성은 없었다.

• 수면정신생리
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• 제9권2호
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• pp.122-126
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• 2002

목 적 : 본 연구는 37시간의 수면박탈이 정상인의 시각변별력에 미치는 영향을 Cybernetic Flicker Fusion Analyzer(FLIMK)를 사용하여 평가를 하고자 하였으며, 이런 수면박탈의 시각변별력에의 영향이 졸음, 피로, 불안 및 기분상태와 어떤 연관성이 있는지를 조사하였다. 방 법 : 26명의 대상(남：녀=20：6, $24.50{\pm}1.45$세)이 연구에 참여하였으며, 37시간 동안 감시하에서 수면박탈이 시행되었다. 이틀간의 실험기간 동안 아침, 저녁에 한 차례씩 총 4회에 걸쳐 FLIMK와 졸음, 피로, 불안, 기분상태에 대한 자가보고 척도를 시행하였다. 결 과 : FLIMK 검사결과, 융합주파수는 37시간의 수면 박탈에 의하여 유의하게 감소하였다(p<0.05). 융합주파수에 이르는 검사회수(반응회수)도 수면박탈 후에 유의하게 증가하였다(p<0.05). 융합주파수의 감소는 졸음과 피로도의 증가와 상관관계를 보였으며(p<0.05), 반응회수는 불안, 피로 및 부정적 정서와 상관관계를 보였다(p<0.05). 결 론 : 본 연구는 37시간의 수면박탈이 시각변별력의 저하를 가져오는 것을 보여주었다. 향후 수면박탈이 시각변별력에 영향을 미치는 기전에 관한 연구가 필요하다고 하겠다.

• 대한청각학회지
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• 제24권1호
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• pp.29-34
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• 2020

Background and Objectives: Bilateral microphones with contralateral routing of signal (BiCROS) hearing aid is an option for hearing rehabilitation in individuals with asymmetric sensorineural hearing loss (ASNHL). The clinical factors influencing the trial and purchase of BiCROS were investigated. Subjects and Methods: We reviewed the medical records of 78 patients with ASNHL who were recommended to use BiCROS and analyzed the demographic and audiological factors influencing the trial and purchase of BiCROS. Results: Among the 78 patients, 52 (66.7%) availed of the free BiCROS trial and 21 (26.9%) purchased BiCROS. The mean pure tone audiometry (PTA) air conduction (AC) threshold of the better- and worse-hearing ears were 44.2±12.8 dB and 90.7±22.5 dB HL, respectively. The decision for trial or purchase of BiCROS was not influenced by age, sex, duration of hearing loss of the worse-hearing ear, or PTA AC threshold or speech discrimination score of both ears. The first and third quartiles of the PTA AC thresholds for the better-hearing ear of BiCROS buyers were 38.75 dB and 53.75 dB HL, respectively. The counterpart values for the worse-hearing ear were 72.50 dB and 118.75 dB HL, respectively. Conclusions: The clinical factors analyzed in this study were found to be irrelevant to the trial and purchase of BiCROS in patients with ASNHL. Nevertheless, the distribution range of the auditory thresholds of the subjects using BiCROS can be a useful basis for the counseling of patients with ASNHL and selection of candidates for BiCROS use.

• 전자공학회논문지 IE
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• 제43권4호
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• pp.21-27
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• 2006

본 논문은 사람의 뇌에 대한 자기공명영상에서 백질과 회백질을 분리하고 각각의 체적을 산출하기 위한 것이다. 정상인과 비정상인의 대뇌 영상으로부터 백질, 회백질, 뇌척수액을 분리하고, 분리된 조직의 체적을 계산한다. 본 논문에서는 뇌 MR영상에서 체적을 산출하고 백질과 회백질을 산출하기 위한 새로운 방법을 제안한다. 그리고 각 구성 비율에 따라 표현되는 명암 값 분석을 통한 대뇌 자기공명영상으로부터 백질 및 회백질을 추출할 수 있는 판별값을 결정하는 방법을 개발하였다. 각 슬라이스에 추출된 화소의 수를 이용하여 백질 및 회백질의 체적을 구하는 방법을 제안하였다. 그리고 환자의 뇌척수액/대뇌 체적비와 연령을 입력으로 받아 판별식을 통해 판별값을 계산하며, 계산된 판별값을 이용해 기준점과 비교함으로써 정상과 비정상을 진단하였다. 결과적으로 연령이 증가 할수록 백질과 회백질의 체적은 감소하고 뇌척수액의 체적은 증가하고 있는 것을 알 수 있었다.

• 보건행정학회지
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• 제14권2호
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• pp.78-98
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• 2004

The purpose of this study was to categorize the contribution evasion and develop the expected models for contribution arrears in National Health Care System. The modified logistic regression model in non-payments was used as logistic regression model based on the statistical method. By using this model, we arranged non-payment types and typical branches those are appeared by statistical technique. First fact, sex and age branches those are able to take a part in economy had effect mostly. Also they had difference in non-payment probability by existence of their incomes and property. Especially people who didn't have their own house and car were appeared in high non-payment probability, disease and reduction characteristic(rare diseases, reduction of seniors, handicaps, numbers of medical treatments) didn't effect much in probability. The reason for some characteristic of non-payment which is higher than the correct threshold value of Logistic Regression Model (a suggested model for predicting non-payment)'s distribution of probability was mostly moral hazard. Living difficulty was the bigger reason for non-payment, but moral slackening was the bigger reason for non-payment. But it is careless to decide that moral hazard is just the reason, there is a necessity to examine on the side of sociology based in family. By the reason, the member's non-payment reason can be classified by economy, population, and psychology, but there was a comprehension that losing of work desire could be one reason. So we analyzed informations for composition of family of members. In conclusion, we grasped that family conflict makes non-payment and conversion of member in the National Basic Livelihood Protection System difficult.

• 한국융합학회논문지
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• 제6권3호
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• pp.87-95
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• 2015

본 연구는 융합시대를 맞이하여 국내 직무스트레스 관련 연구 동향을 살펴봄으로써 직무스트레스의 원인과 측정도구에 대한 새로운 이해를 돕고 향후 직무스트레스에 관한 연구의 방향을 제시하고자 한다. 이를 위해 1995년부터 2015년까지 발표된 직무스트레스 관련 국내 학술지 64편을 연구대상으로 하였다. 그 결과 가장 많은 연구가 이루어진 시기는 2010년부터 2015년까지였으며, 전체 연구의 73.4%는 조사연구, 14.1%는 상관관계연구 그리고 4.7%는 실험연구였다. 연구대상자는 주로 간호사였고 그 중 60.9%는 임상간호사였다. 결론적으로 대부분의 연구대상자는 임상간호사였으며, 연구방법에서 제시한 바와 같이 직무스트레스는 조사연구를 통해 주로 연구되고 있었다.

• 대한정형도수물리치료학회지
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• 제18권1호
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• pp.57-63
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• 2012

Background: The number of old people with degenerative osteoarthritis one of the chronic disease, were constantly increased. Many researchers have made a great effort to verify the effects of ultrasound and laser therapy in degenerative osteoarthritis treatment. This study applied ultrasound-laser integration therapy on knee joint degenerative osteoarthritis and compared its effect with ultrasound and laser. Methods: We assigned 60 patients age 65 to 85 who had been diagnosed as knee joint degenerative osteoarthritis in G nursing home in Daejeon city. Randomization was done in blocks of three, holding twenty people per each group to receive either ultrasound, laser, ultrasound-laser integration therapy. This study carried out the experiment for 6 weeks to from April 17, 2010. We measured variables using visual analog scale (VAS) and pressure threshold meter (PTM) of the effects by before and after exercise. Results: It has been found that VAS was reduced and PTM was increased in all three groups. Compare with the other groups, Ultrasound-laser integration therapy group had lower VAS and higher PTM than ultrasound therapy and laser therapy group. Conclusions: These results lead us to the conclusion that ultrasound-laser integration have influenced the pain reduction of the knee degenerative osteoarthritis.

• 한국환경보건학회지
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• 제46권5호
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• pp.588-598
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• 2020

Objectives: Human indices were developed to determine returning point of residents and damage restoration after the chemical accident Methods: To determine the returning point of residents after the chemical accident, a new concept, the standard man model was introduced as a human index, in which both H-code and its acute effects were main idea. To evaluate the applicability, a hydrogen fluoride leakage accident in Gumi was applied. The returning point were suggested as the conservative remission period of acute effects among relevant hazard effects and compared with actual returning point. The coverage of each age group were considered with reflecting average daily dose expected for actual residents. In addition, a relief-index as a social-scientific approach was reflected as well to apply the damage restoration Results: Actual returning point of residents in Gumi was 88 days; and that of standard man model suggested was 84 days. The expected amount of exposure at aged 12 or under was at least 2.35 times greater than that of this model, 40s, theoretically. However, their population ratio was less than 1%, so 99% of residents could be applied when the standard man model was applied. The relief-index was as an objective and quantitative methodology to apply the qualitative aspect. Conclusions: Although evaluated as a relatively positive result, there was a limitation such as the number of accident applied to the verification of standard man model. The relief index was also considered, but further research should be carried out to find threshold level for the relief.

• Asian-Australasian Journal of Animal Sciences
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• 제25권12호
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• pp.1674-1680
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• 2012

The purpose of this study was to detect significant SNPs for blood components that were related to immunity using high single nucleotide polymorphism (SNP) density panels in a Korean native pig (KNP)${\times}$Yorkshire (YK) cross population. A reciprocal design of KNP${\times}$YK produced 249 $F_2$ individuals that were genotyped for a total of 46,865 available SNPs in the Illumina porcine 60K beadchip. To perform whole genome association analysis (WGA), phenotypes were regressed on each SNP under a simple linear regression model after adjustment for sex and slaughter age. To set up a significance threshold, 0.1% point-wise p value from F distribution was used for each SNP test. Among the significant SNPs for a trait, the best set of SNP markers were determined using a stepwise regression procedure with the rates of inclusion and exclusion of each SNP out of the model at 0.001 level. A total of 54 SNPs were detected; 10, 6, 4, 4, 5, 4, 5, 10, and 6 SNPs for neutrophil, lymphocyte, monocyte, eosinophil, basophil, atypical lymph, immuno-globulin, insulin, and insulin-like growth factor-I, respectively. Each set of significant SNPs per trait explained 24 to 42% of phenotypic variance. Several pleiotropic SNPs were detected on SSCs 4, 13, 14 and 15.

• 수산해양기술연구
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• 제53권1호
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• pp.60-66
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• 2017

This study researched the population of ecological characteristics of the goldeyes rockfish Sebasetes thompsoni sampled by gill net in the Ulleungdo area from February 2013 to February 2014 in order to assess the current stock status and provide scientific advice for management implementation. The instantaneous coefficient of total mortality (Z) was 0.78/year and the survival rate (S) was 0.459. The instantaneous coefficient of natural mortality (M) was 0.461/year. Based on the estimates of Z and M, the instantaneous coefficient of fishing mortality (F) was 0.318/year. The age at first capture ($t_c$) was 4.41/years. Current Yield-per-recruit (YPR) was 30.83 g, and fishing mortality at maximum YPR ($F_{max}$) and fishing mortality corresponding to 10% of the maximum slope in YPR curve ($F_{0.1}$) were 3.257/year and 0.673/year, respectively. $F_{35%}$ and $F_{40%}$, indicating fishing mortalities at 35% and 40% of maximum Spawning biomass-per-recruit (SBPR), were 0.619/year and 0.509/year, respectively. Based on the biological reference points, fishing mortality at overfished threshold yield ($F_{OTY}$) was calculated as 0.509/year. Current $SBPR/SBPR_{MSY}$ was 1.313 above 1.0, which means 'not overfishe,' while current $F/F_{OTY}$ was 0.629 below 1.0, which indicates 'not overfishing.' In conclusion, the current status of goldeyes rockfish was located in green zone (i.e., not overfished and not overfishing) according to the revised Kobe plot.