Kumamoto-shi, Japan

Kumamoto Gakuen University

Kumamoto-shi, Japan

32°48′N 130°43′E Kumamoto Gakuen University Called Gakuendai or Shōdai , it is a private Japanese university in Kumamoto, Japan. It was established in 1942, at which time Eastern Language Vocational College was subsumed into it. It was renamed Kumamoto Language Vocational College in 1945, and was made into Kumamoto Commerce University in 1954. It acquired its current name, Kumamoto Gakuen University, in 1994. At present, the university has 4 faculties with 11 departments.The university also has an affiliated senior high school, located immediately adjacent to the campus. While the high school is recognized as one of the best in the prefecture, the reputation of the university itself is as a second-rank institution. Wikipedia.

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Iitaka T.,Kumamoto Gakuen University
Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) | Year: 2017

This paper analyzes the note-taking function of the Audience Response System. The analysis shows the positive effects of the note-taking function and it shows that the note-taking function interacts with other ARS functions. Studying these features will help design more interactive lectures. © Springer International Publishing AG 2017.

Furukawa H.,Japan Advanced Institute of Science and Technology | Yuizono T.,Japan Advanced Institute of Science and Technology | Sakai A.,Kumamoto Gakuen University
Proceedings - 11th 2016 International Conference on Knowledge, Information and Creativity Support Systems, KICSS 2016 | Year: 2017

This paper describes the design of a distributed brainstorming support tool focusing on gamification. In previous studies, there are very few studies focused on continuous creative activities. Gamification elements in the distributed brainstorming tool are aimed at maintaining intrinsic motivation toward continuous creative activities. The activities for gamification elements are earning points by idea generation, create a avatar with the earned points, and competing with other players for total points. We show interface design of gamification for distributed brainstorming, and then describe a plan of control experiments to demonstrate hypothetical effects of the gamification, such as maintenance of idea generation by intrinsic motivation. © 2016 IEEE.

Uno K.,Okayama University | Kaneshige Y.,Okayama University | Furukawa K.,Aichi University | Shinmura T.,Kumamoto Gakuen University | Miyoshi M.,University of Fukui
Earth, Planets and Space | Year: 2013

Rhyolite is a common volcanic rock; however, few studies have focused on the remanent magnetization of rhyolite lava, and few paleomagnetic studies have successfully investigated rhyolite lavas. We suspect that problems associated with paleomagnetic studies of rhyolite may be due to the nearly ubiquitous flow structure in rhyolite lava. In this study, we examined a thick rhyolite lava flow with clearly marked flow structure to assess its ability to record a consistent paleomagnetic direction, using material penetrated by two drill cores. Progressive thermal demagnetization isolated two magnetization components. A high-temperature component from each of the two cores yields inclinations that differ from each other. The low-temperature component had those that agreed with each other, and were also consistent with the direction expected from a geocentric axial dipóle field. The modification of direction of the high-temperature component may be explained by post-magnetization acquisition tilting. The development of flow structure also leads to distortion of directions of the component, which is observed at stratigraphie positions where the volume fraction of light-colored parts of the flow structure >30%. In the case of silicic lava, the low-temperature component may retain directions parallel to the ambient field direction at the time of lava emplacement. © The Society of Geomagnetism and Earth Planetary and Space Sciences (SGEPSS).

Yorifuji T.,Okayama University of Science | Harada M.,Kumamoto Gakuen University
Environmental Health Perspectives | Year: 2011

In "Adverse Effects of Methylmercury: Environmental Health Research Implications," Grandjean et al. (2010) reviewed the scientific discoveries of health risks resulting from methylmercury exposure, including the history of the Minamata disease incident. Although their title states "research implications," the authors failed to convey some important caveats from the incident.

Yorifuji T.,Okayama University of Science | Tsuda T.,Okayama University of Science | Kashima S.,Okayama University of Science | Takao S.,Okayama University of Science | Harada M.,Kumamoto Gakuen University
Environmental Research | Year: 2010

Recent studies suggest potential adverse effects of methylmercury exposure on cardiovascular disease, although the evidence of association with hypertension is still inconsistent. Therefore, we evaluated the effects of methylmercury exposure on hypertension in Minamata. We used data derived from the 1971 population-based survey in Minamata and neighboring communities. We also utilized data on hair mercury content of the participants (derived from a 1960 investigation). We adopted two exposure indices (residential area and hair mercury content) and two hypertension outcomes (past history of hypertension and hypertension defined by measurements in the examination). Then, we estimated the adjusted prevalence odds ratio (POR) and its confidence interval (CI) of both hypertension outcomes in relation to residential area and hair mercury content. In the Minamata area (high exposure area), 87% (833) of the eligible population (aged ≥10 years) participated in the 1971 investigations. In the Goshonoura area (middle exposure area) and the Ariake area (low exposure area), 93% (1450) and 77% (755), respectively, of the eligible population participated. Compared with subjects in the Ariake area, the subjects in the Minamata area manifested hypertension more frequently, and PORs observed for two hypertension outcomes were 1.6 (95% CI: 1.2-2.1) and 1.4 (95% CI: 1.1-1.9), respectively. Furthermore, dose-response trends with hair mercury content were observed for both hypertension outcomes. The present finding supports the causal relationship between methylmercury exposure and hypertension. © 2009 Elsevier Inc. All rights reserved.

Miyoshi M.,University of Tokyo | Sumino H.,University of Tokyo | Miyabuchi Y.,Kumamoto University | Shinmura T.,Kumamoto Gakuen University | And 5 more authors.
Journal of Volcanology and Geothermal Research | Year: 2012

We determined the K-Ar ages for post-caldera lavas from Aso volcano in central Kyushu, Japan using the unspiked sensitivity method. The following three peaks of highly-frequent volcanism are recognized in the post-caldera stage: 70-50. ka, 40-20. ka and later than 10. ka. The two peaks of 70-50. ka and 40-20. ka are characterized by activities of compositionally diverse magmas from basalt to rhyolite. The volumes of silicic magmas are significantly larger than those of basalt magmas in these peaks. On the other hand, the peak later than 10. ka is characterized by predominantly basaltic eruptions without silicic magma activities. The active center of the silicic magma production (=. crustal assimilation of injected basalt) had presumably migrated northeastward from the southwestern part of the caldera between the peaks of 70-50. ka and 40-20. ka. The predominant basaltic activity in the peak later than 10. ka represents that the production rate of silicic magma decreased, and does not indicate the accumulation of voluminous silicic magma beneath the recent Aso caldera. © 2012 Elsevier B.V.

Iitaka T.,Kumamoto Gakuen University
Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) | Year: 2015

This paper presents a recommendation engine I have developed for an online drill system. The engine provides suitable quizzes for users, helping users learn effectively. The paper describes the features and effects of the recommendation engine. © Springer International Publishing Switzerland 2015.

Tokushige H.,Kumamoto Gakuen University
IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences | Year: 2014

A soft-decision recursive decoding algorithm (RDA) for the class of the binary linear block codes recursively generated using a u|u+ν-construction method is proposed. It is well known that Reed-Muller (RM) codes are in this class. A code in this class can be decomposed into left and right components. At a recursive level of the RDA, if the component is decomposable, the RDA is performed for the left component and then for the cosets generated from the left decoding result and the right component. The result of this level is obtained by concatenating the left and right decoding results. If the component is indecomposable, a proposed iterative bounded-distance decoding algorithm is performed. Computer simulations were made to evaluate the RDA for RM codes over an additive white Gaussian-noise channel using binary phase-shift keying modulation. The results show that the block error rates of the RDA are relatively close to those of the maximum-likelihood decoding for the third-order RM code of length 26 and better than those of the Chase II decoding for the third-order RM codes of length 26 and 27, and the fourth-order RM code of length 28. Copyright © 2014 The Institute of Electronics, Information and Communication Engineers.

Iitaka T.,Kumamoto Gakuen University
Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) | Year: 2013

I developed an ARS (Audience Response System) module of Xoops CMS (Contents Management System) using cell phones. The module has already been used in some lectures. When we analyze data of the users, we can confirm a statistically significant effect. This paper will first explain the background of this research. Then, the functions and use of the module are explained. Thirdly, this paper explains, how the module is used in association with practice module. Lastly, the effects of the modules are analyzed. © 2013 Springer-Verlag Berlin Heidelberg.

PubMed | Kumamoto Gakuen University
Type: Journal Article | Journal: Cell structure and function | Year: 2016

Tropomyosin (TPM) localizes along F-actin and, together with troponin T (TnT) and other components, controls calcium-sensitive muscle contraction. The role of the TPM isoform (TPM4) that is expressed in embryonic and adult cardiac muscle cells in chicken is poorly understood. To analyze the function of TPM4 in myofibrils, the effects of TPM4-suppression were examined in embryonic cardiomyocytes by small interference RNA transfection. Localization of myofibril proteins such as TPM, actin, TnT, -actinin, myosin and connectin was examined by immunofluorescence microscopy on day 5 when almost complete TPM4-suppression occurred in culture. A unique large structure was detected, consisting of an actin aggregate bulging from the actin bundle, and many curved filaments projecting from the aggregate. TPM, TnT and actin were detected on the large structure, but myosin, connectin, -actinin and obvious myofibril striations were undetectable. It is possible that TPM4-suppressed actin filaments are sorted and excluded at the place of the large structure. This suggests that TPM4-suppression significantly affects actin filament, and that TPM4 plays an important role in constructing and maintaining sarcomeres and myofibrils in cardiac muscle.

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