• Journal of Korean Clinical Health Science
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• v.2 no.1
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• pp.47-57
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• 2014

Purpose. The purpose of this study is to investigate effects of group play therapy program on improvement of social skills of children with developmental disabilities. Methods. With 4-year children with developmental disabilities with developmental problems, group play therapy program with 16 sections, 40minutes for each section for 16 weeks was conducted, and by using Korean infant social skills test (K-SSRSP), social skills index (SSQ) between before and after applying group play therapy program on children with developmental disabilities were compared. Results. When group play therapy are applied on children with developmental disabilities, it was found that there was improvement of social skills including problem solving, emotional expression, sense of order and self-confidence. Conclusions. According to the result of this study, if more specific studies regarding group play therapy program are conducted and they can reflect on other integrated programs, then it is expected that there will be greater synergy effects on improving not only children with developmental disabilities but also social skills of them.

• Journal of Families and Better Life
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• v.27 no.6
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• pp.1-12
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• 2009

The purpose of the study is to investigate developmental changes in the effect of sociocultural factors towards appearance, body mass index and self-esteem on body image. Participants were 315elementary school, 305middle school students, 310hight school students and 346college students from Seoul and Gyeonggi Province. Collected data were analyzed through Cronbach's $\alpha$, Two-way ANOVA, Pearson's correlation, and stepwise multiple regression. The findings of the study were as follows: 1) Sociocultural factors towards appearance, body mass index, self-esteem and body image differed by grade and gender. 2) Peers, self-esteem, BMI and mass media were significant predictors of elementary school students' body image. Mass media, BMI and self-esteem were significant predictors of middle school students' body image. Self-esteem, peers, BMI, gender and mass media were significant predictors of high school students' body image. Self-esteem, mass media and BMI were significant predictors of college students' body image.

• Clinical and Experimental Pediatrics
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• v.52 no.7
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• pp.772-777
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• 2009

Purpose : We aimed to compare the effectiveness of 2 developmental tests-Korean Infant and Child Development Test (KICDT) and Korean Bayley Scale of Infant Development-II (K-BSID-II)-in the assessment of children with developmental delay. Methods : Twenty-eight children with suspected developmental delay, who visited the Department of Pediatrics in Asan Medical Center from February 2007 to June 2008 were enrolled. They were examined using both KICDT and K-BSID-II. The results of the tests were compared on the basis of 2 parameters: age group of the children and detection of organic brain lesion on magnetic resonance imaging (MRI). The correlation between the results of the 2 tests was analyzed using SPSS. Further, intraclass correlation coefficient was calculated using SAS to examine consistency between the results of the 2 tests. Results : The mental developmental index of K-BSID-II showed significant correlation with every KICDT score (P<0.01). The psychomotor developmental index of K-BSID-II was also significantly correlated with every KICDT score except the fine motor score (P<0.01). The mental developmental index of K-BSID-II showed significant correlation [Editor20] with the KICDT gross motor, fine motor, and language scores (P<0.05). Further, there was significant correlation between the psychomotor developmental index of K-BSID-II and the KICDT gross motor score (P<0.05). Conclusion : There was significant [Editor21]correlation between the results of KICDT and K-BSID-II for infants and children with developmental delay. Although our results suggest that KICDT is useful in assessing developmental delay, further research would be needed to standardize this test.

• Proceedings of the Korean Society of Developmental Biology Conference
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• 2005.07a
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• pp.52-52
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• 2005

Oogenesis, the gonadosomatic index (GSI), reproductive cycle and first sexual maturation of the female Neptunea (Barbitonia) arthritica cumingii have been investigated by light and electron microscope observations. In the early vitellogenic oocyte, the Golgi complex and mitochondria were involved in the formation of glycogen, lipid droplets and yolk granules. In late vitellogenic oocytes, the rough endoplasmic reticulum and multivesicular bodies were involved in the formation of proteid yolk granules in the cytoplasm. In particular, compared with the results of other gastropods, it is a different result that appearances of cortical granules at the cortical layer and microvilli on the vitelline envelope, which is associated with heterosynthetic vitellogenesis, were not observed in vitellogenic oocytes during oogenesis. A mature yolk granule was composed of three components: main body (central core), superficial layer, and the limiting menbrane, Monthly changes in the gonadosomatic index in females were studied in 2002 and 2003 were closely associated with ovarian developmental phases. Spawning occurred between May and August in 2002 and 2003 and the main spawning occurred between June and July when the seawater temperature rose to approximately 18${\sim}$23${\circ}$C. The female reproductive cycle can be classified into five successive stages: early activestage (Septmber to October), late active stage ( November to February), ripe stage (February to June), partially spawned stage (May to Aygust), and recovery stage (June to August).

• The Korean Journal of Zoology
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• v.30 no.1
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• pp.44-52
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• 1987

The spontaneous bilateral asymmetry was analyzed in the hermaphroditic fish Rivulus marmoratus to obtain base line data on the developmental stability of this fish. The results obtained were as follows; 1. Eight kinds of countable anatomical characters except numbers of otolith and radii branchiostegi showed bilateral asymmetry at the frequency ranging from 9.8% to 64.7%. 2. Asymmetry index was not significantly different from that of gonochoristic fish species previously reported. Genetical implication of the results was discussed in relation to developmental stability and homozygosity of this species.

• Journal of the korean academy of Pediatric Dentistry
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• v.41 no.3
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• pp.225-232
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• 2014

The purpose of this study was to compare skeletal maturity index and dental developmental stages based on skeletal malocclusion. A total of 192 patients (89 male and 103 female) between 6 to 14 years old were selected for this study and underwent cephalograms, panorama radiographs, and hand-wrist radiographs. Any syndromic cases were excluded. Selected clinical parameters were dichotomised for statistical analysis. Chi-square, logistic regression analysis, and independent t-tests were used for the statistical evaluation. Canine, first molar, and second molar calcification were significantly associated with skeletal maturity in the logistic regression model (p < 0.05). In addition, patients who had higher skeletal maturity index were 11.43 times more likely to be female than those who had lower skeletal maturity index (p < 0.001). The patients with skeletal class II malocclusion displayed significantly higher dental developmental stage in canines, first premolars, first molars, and second molars than the patients with class III malocclusion (p < 0.05). The dental developmental stage of the patients was significantly associated with skeletal maturity. In addition, there was a significant difference between class II and class III malocclusion with some types of tooth calcification.

• Child Health Nursing Research
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• v.7 no.4
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• pp.511-518
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• 2001

This study is to identify the characteristics of the growth and deveolpment, and to assess Obesity Index, BMI and Kaup Index of infants paticipated in a healthy breast-feeding contest. The subjects of this study were 94 breast- feeding infants, ages from 6 to 8 months. Their weight and height were measured and compared with Korean Standards. Their developmental state was tested by DDST(Denver Develop- mental Screening Test) standardized in Korea. The data were analyzed by using the SPSS-WIN 10.0. The result is as follows : 1. The weight of infants was more than Korean Standards, but the height was less. 2. There were statistically significant differences in Obesity Index, BMI and Kaup Index. Obese infants estimated by Obesity Index were about 10％, but by BMI and Kaup Index were 35.1％ and 27.7％. 3. Spearman's rhos of Obesity Index and Kaup Index, Obesity Index and BMI, and Kaup Index and BMI were individually 0.526, 0.528 and 0.753. In conclusion, BMI should be added to the criteria for assessing healthy breast-feeding infants.

• Development and Reproduction
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• v.19 no.1
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• pp.33-41
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• 2015

The gonadosomatic index (GSI), gonadal development and changes in hormones in plasma level of the indoor cultured grunt (Hapalogenys nitens) were investigated by histological study from August 2011 to October 2012. The GSI showed similar trends with gonad developmental stages during the culture periods. Changes in plasma level of estradiol-$17{\beta}$ of female H. nitens reached the highest value before the spawning period, and seasonal changes in plasma level of estradiol-$17{\beta}$ were similar in trends of oocyte developments and GSI changes. Testosterone levels of male H. nitens reached the highest value before and after the spent stage. Ovarian developmental stages of H. nitens could be classified into early growing stage, late growing stage, mature stage, ripe and spawning stage, recovery and resting stage. The testicular developmental stages could be divided into growing stage, mature stage, ripe and spent stage, and recovery and resting stage.

• Journal of Yeungnam Medical Science
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• v.15 no.2
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• pp.263-274
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• 1998

One of the main purposes in the treatment of developmental dislocation of the hip is to achieve and maintain concentric, congruent, and stable reduction. The arthrogram performs an important role in the diagnosis and treatment of developmental dislocation of the hip. The arthrogram provides much information about the soft tissue status of the hip joint. Limbus and ligamentum teres is exactly evaluated so that we can plan the reduction and treatment before operation. Eighteen preoperative hip arthrograms of 17 children treated for developmental dislocation of the hip from 1992 to 1998 were reviewed. The limbus, ligamentum teres and transverse acetabular ligament were compared with the pathoanatomy seen at the time of open reduction. Arthrography proved to be reliable in identifying the limbus and ligamentum teres. So we recommend that arthrography must be performed before closed or open reduction. Also, we recorded the radiographic parameters: acetabular index, acetabular floor thickness, center edge(CE) angle of Wiberg, and Y-coordinate. The center edge(CE) angle of Wiberg obtained from arthrography was measured more accurately than from simple roentgenograms because the ossification of the femoral head was frequently located eccentrically in the developmental dislocation of the hip.

• Korean Journal of Health Education and Promotion
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• v.13 no.1
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• pp.128-162
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• 1996

Using Random Sampling, the authors measured the body heights and weights of 31,151 persons - 17,102 in males and 14,049 in females from metropolitan, urban and rural areas between 6 to over 80 year old - for the purpose of investigating the type and the actual condition of the Korean's growth and development. At first, on the basis of the results, the authors measured the growth and development, various kinds of physiques, nutritional index of the 6 to 20s age group. Second, the authors presented the standard body weight of males and females by their body height, who were in the end of their growth (20-29 age group). Third, the authors calculated and presented the normal adapted body weight of the age group who were over 30 age after the growth had been completed. Forth, the author presented the obesity rate of the adults over 20 years old by body mass index. Finally, the authors compared chronological change of the Koreans' body heights and body weights with the results of other researchers. 1. Body Measurement Rapid growth, in terms of body height, which is described by a straight line on a growth curve has been observed among males in the ages 6-13 and among females 6-14. That growth curve turned out to be slower among the people of higher ages by both sexes. The cross-over occurred in both sexes at 11-14. The highest growth rate for a year is at 13-16 for males and 11-13 for females. This indicates that females enter a rapidly growing stage 2 years earlier than males. 2. Various Physiques and Nutritional Index Rapid growth, in terms of Relative Body Weight Index, which is described by a straight line, has been observed among males in the ages 6-16 and females in the ages 6-14. The cross-over occurred in both sexes 12.5-14.5 age in the adolescencent period. Whereupon females outgrow males. The Roher Index displayed more good value in case of females than male and in the adolescent period, the level of fullness is lower than after the completion of development. The Kaup Indices of both sexes increase with age. The index is less than 2.0 for males in 6-14 age group and for females in 6-13 age group and with this, it appeared that development of horizontal axis to long axis is poor. The index is more than 2.0 after 15 age group in males and 14 age group in females and developmental state4 age group and for females in 6-13 age group and with this, it appeared that development of horizontal axis to long axis is poor. The index is more than 2.0 after 15 age group in males and 14 age group in females and developmental state Body Mass Index is less than 20 for males 6-14 age group and for females in 6-13 age group. In the case of the higher age group, that index maintains a normal state.