• Dementia and Neurocognitive Disorders
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• v.21 no.1
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• pp.17-29
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• 2022

Background and Purpose: Verbal and nonverbal fluency tests are the conventional methods for examining executive function in the elderly population. However, differences in impairments result in fluency tests in patients with mild cognitive impairments (MCIs) and Alzheimer's disease (AD) and in neural correlates underlying the tests still necessitate concrete evidence. Methods: We compared the test performances in 27 normal controls, 28 patients with MCI, and 20 with AD, and investigated morphological changes in association with the test performances using structural magnetic imaging. Results: Patients with AD performed poorly across all the fluency tests, and a receiver operating characteristics curve analysis revealed that only category fluency test discriminated all the 3 groups. Association, category, and design fluency tests involved temporal and frontal regions, while letter fluency involved the cerebellum and caudate. Conclusions: Category fluency is a reliable measure for screening patients with AD and MCI, and this efficacy might be related to morphological correlates that underlie semantic and executive processing.

• The Korean Journal of Nuclear Medicine
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• v.32 no.3
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• pp.238-249
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• 1998

Purpose: To localize and compare the neural basis of verbal and visual human working memory, we performed functional activation study using $H_2^{15}O$ PET. Materials and Methods: Repeated $H_2^{15}O$ PET scans with one control and three different activation tasks were performed on six right-handed normal volunteers. Each activation task was composed of 13 match-ing trials. On each trial, four targets, a fixation dot and a probe were presented sequentially and subject's task was to press a response button to indicate whether or not the probe was one of the previous targets. Short meaningful Korean words, simple drawings and monochromic pictures of human faces were used as matching objects for verbal or visual memory. All the images were spatially normalized and the differences between control and activation states were statistically analyzed using SPM96. Results: Statistical analysis of verbal memory activation with short words showed activation in the left Broca's area, promoter cortex, cerebellum and right cingulate gyrus. In verbal memory with simple drawings, activation was shown in the larger regions including where activated with short words and left superior temporal cortex, basal ganglia, thalamus, prefrontal cortex, anterior portion of right superior temporal gyrus and right infero-lateral frontal cortex. On the other hand, the visual memory task activated predominantly right-sided structures, especially inferior frontal cortex, supplementary motor cortex and superior parietal cortex. Conclusion: The results are consistent with the hypothesis of the laterality and dissociation of the verbal and visual working memory from the invasive electrophysiological studies and emphasize the pivotal role of frontal cortex and cingulate gyrus in working memory system.

• Journal of the Korean Chemical Society
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• v.58 no.4
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• pp.393-405
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• 2014

The purpose of this study was to investigate the characteristics of social interaction on cultural aspects, verbal interaction, and discussion maps in scientific modeling instruction on combustion in middle school. Revised-CLEQ (Cultural Learning Environment Questionnaire), verbal interaction framework, discussion maps analysis were implemented for this study. The results of study follow respectively. First, the characteristics on cultural aspects of middle school students showed cooperation rather than competition in terms of collectivism. Students' attitudes to learning science tended to depend on others' idea, and students were passive and reluctant to present their comments when they were modeling work. Second, for the characteristics of verbal interaction, they simply presented knowledge related to build a model. The response to comments and feedback was relatively few. Third, discussion maps showed a lot of interaction for reponses that was alternatively brought the concept of commenters, which students were depended on a specific one, and responses. There were not many interaction for elaboration, which were described to have new presented ideas, corrections, and reasons when they exchange their ideas. In this study the model type of interaction affecting the formation of the students understanding of and in our country, it makes a lot of social interactions as the basis for teaching system could be utilized.

• The Journal of Korean society of community based occupational therapy
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• v.7 no.3
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• pp.13-21
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• 2017

Purpose : This article was to study mental health status through aggression and stress of children of multicultural families, marriage immigrant and to use them as baseline data. Method : We used questionnaire and collected them from 135 children of multicultural families who live in 2 city and 4 do. Frequency Analysis was used for Demographic Characteristics, t-test and one-way ANOVA for aggression and stress depending on demographic characteristics, and regression analysis for the factors. Result : The first, the total score of aggression of the children of multicultural families was 3.05 and the most high score was verbal aggression, 3.69. Stress was 3.66. The second, there was a significant difference between aggression depending on demographic characteristics and verbal aggression(p=.031) depending on age and anger(p=.011). There was also a significant difference between total aggression(p=.028) depending on economic level and physical aggression(p=.049), verbal aggression(p=.000), anger(p=.036), hostility(p=.042), and stress(p=.011). The third, we analysed the factors affecting aggression of children of multicultural families. There was a significant difference resulting from stepwise regression analysis(F=57.139, p<.001), the results showed a strong explanation of aggression by bad in economic status(p<.01), stress(p<.01), 10 years in age(p<.01), and 13 years in age(p<.01). Conclusion : Aggression depending on demographic characteristics of the children of multicultural families was caused by age, economic level, and stress.

• Journal of the Korean earth science society
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• v.25 no.7
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• pp.532-544
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• 2004

The purpose of this study is to analyze the concept concerned with Earth's rotation as passed by tenth graders whose interest in earth's rotation and learning styles were varied. To examine student's interest in the Earth's rotation, 4students (visual-verbal learning style student with much interest, visual learning style student with much interest, visual learning style student with little interest, and verbal learning style student with little interest) were chosen for study. Personal interview was used for this study. To probe students' conception in varied ways, they were allowed to make gesture and draw pictures through data collection process, except for interviews. And the data were analyzed one by one. The result of this study were as follows: First, the student with much interest was faster to answer the questions about Earth's rotation than the one with little interest. Also he comprehended better and was able to explain reasons coherently. Second, there was little difference according to student's learning style. Third, one of the repeated misconception was direction. For thinking that is the right side is the east side, students have misconception that the sun goes from right to left and stars in north sky move clock-wise.

• The Korean Journal of Elementary Counseling
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• v.7 no.2
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• pp.131-140
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• 2008

The purpose of this study is to develop a teacher's encouragement response and to prove its effect. In order to do so, this study includes three sub-studies. First study is to identify the categories of teacher's encouraging verbal response. second study is to examine whether a teacher's encouraging verbal response can be developed, and third study is to identify how a teacher's encouragement has an effect on school adjustment of elementary children. The results of the study are followings: First, listening, asking, supporting, accepting, and describing are established as teacher's encouraging verbal responses. Second, a teacher can develope his encouraging response through self-discipline. Third, teacher's encouragement is effective on the enhancing of children's school adjustment.

• The Journal of the Korea Contents Association
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• v.17 no.4
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• pp.550-560
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• 2017

Purpose: This study is descriptive correlation study to identify the factors on career identity of nursing students. Methods: From october $15^{th}$ to november 5th, 2016, data was collected through convenience sampling of 177 college students based on C province, two G provinces. Statistical analysis of t-test, ANOVA, Pearson's correlation coefficients, and multiple regression analysis was performed through the SPSS WIN 21.0. Results: career identity is significantly positively related with self-esteem, and negatively related with depression (r=-.529, p<.001). Nursing students' verbal abuse is significantly positively related with sexual violence (r=.615, p<.001), depression (r=.540, p<.001) and sexual violence and depression are significantly negatively related (r=.299, p<.001) and depression and self-esteem are significantly negatively related (r=-.390, p<.001).Variables that affect career identity include depression, self-esteem, grade, and whether they belong to a specific hospital. The total explanation of career identity was 52.2%. Conclusions: These results suggest that educational intervention is needed to improve the career identity among nursing students. It is necessary to encourage students to proactively seek abuse preventive measures.

• Science of Emotion and Sensibility
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• v.14 no.3
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• pp.347-360
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• 2011

To find out characteristics of TV home shopping's virtual space deepness styling, this study had analysis characteristics of space deepness which is showed on flat TV screen with actually aired 6 dinnerware sales case, at $C^*$ home shopping, March.2005~November.2010, and survey consumer's emotional verbal image according to space styling character to get space deepness, which were shown on flat TV screen with camera angle, and research mutual relation with consumer preference. Also consumer's typical emotional verbal images for each space styling images for brand dinner ware sales had been extracted with reliability analysis, factor analysis, and multi dimensional scaling MDS using SPSS. Styling characteristics of space deepness were contrast of size, layering, vertical arrangement, and perspective arrangement, and used camera angles were bird's eye view, hi angle, and eye level. Result from the research is, highly marked consumer preferred styling material had a deep corelation to material's main factor and perceived emotional verbal images. Therefore this research could bring forward to new consumer preferred styling characteristics according to camera angle. Furthermore, it will be possible to make a study of preferred styling material through evaluation of quantitative spectators of in this area.

• Journal of Music and Human Behavior
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• v.6 no.1
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• pp.55-80
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• 2009

The objective of this study was to improve the self-expression of children through Orff activities. In this study, three (3) children from D day care center in Seoul who demonstrated withdrawn behaviors were chosen as research subjects, based on a self-expression test score of 50 points. The activities were conducted for 6 weeks, totaling fourteen (14) sessions, with each session being scheduled for forty (40) minutes. Across 14 sessions, the researcher conducted, analyzed and compared the self-expression scale of subjects, measured during the third and the last session. The researcher then qualitatively analyzed verbal and non-verbal self-expression behaviors of subjects by video recording the session. The analysis results shown by the study are as follows. First, the results of a quantitative analysis of the self-expression scale showed significant changes in self expression. Furthermore, the results of a qualitative analysis of verbal self-expression showed positive changes in self-perception and an increase in feelings of independence and activity than that of initial sessions.

• Journal of The Korean Association For Science Education
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• v.25 no.4
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• pp.533-540
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• 2005

This study investigated the effects of drawing and writing as methods to assist students in connecting and integrating multiple external representations provided in learning the particulate nature of matter. Seventh graders (N=224) at a coed middle school were assigned to a control group, a drawing group, and a writing group. The students were taught about "Boyle's Law" and "Charles's Law" for two class periods. Students observed macroscopic phenomena through experiments. After this observation, students in the control group learned the topic with both external visual and verbal representations simultaneously. Students in the drawing group drew their mental model from the external verbal representation provided, and then compared their drawing with external visual representation. Students in the writing group wrote their mental model from the external visual representation provided, and then compared their writing to the external verbal representation. The two-way ANCOVA results revealed that the scores of a conception test for the writing group were significantly higher than those for the control group. While the drawing group performed better than the control group, the difference is relatively smaller. There were no significant interactions between the instruction and spatial visualization ability in the scores of the conception test. Most students perceived the writing or drawing activities helpful in understanding the concepts, and a few students responded that the writing or drawing activity was interesting. Educational implications were discussed.