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Awareness and support for developmental disorders are increasing in Japan. In the education field, support from school counselors for students with developmental disorders and their roles and responsibilities in elementary schools are on the rise. However, identifying and addressing specific conditions and developmental disorders that require school counselors' attention are not clearly planned. Therefore, this study explored the characteristics of students who require elementary school counselors' support owing to developmental disorders. The participants included 17 school counselors who were experienced in working at elementary schools. Through semi-structured interviews, 30 cases were discussed, examined, and categorized based on "case characteristics," "classification of the main complaint," "basic information on the diagnosis," and "type of support." The analysis included detailed viewpoints of 13 school counselors, a code frequency table, and contrast tables, focusing on the main complaint and diagnosis. Regarding the children whose main complaint was "school refusal," eight out of nine cases were in the fourth grade or above, with several cases of suspected developmental disorders or autism spectrum disorder. The number of children with comorbid attention-deficit hyperactivity disorder, including suspected cases, seemed to be higher, especially in Grades 3-5. The study highlighted the importance of assessing students' developmental characteristics related to the main complaint in the background of a secondary problem. Furthermore, early detection and interventions should be conducted in the first and second grades.

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Obsessive-compulsive (OC) tendencies refer to obsessions and compulsions in a nonclinical group, which are risk factors for obsessive-compulsive disorder (OCD). OC tendencies and OC symptoms are mainly assessed using five factors: ordering, obsessions, cleaning, hoarding, and checking. However, since hoarding is now classified as an independent diagnosis in the DSM-V, this factor was not included and was instead replaced by indecisiveness. Furthermore, many established scales used for measuring OC tendencies were originally created for OCD patients; thus, they cannot adequately capture OC tendencies. Therefore, this study aimed to develop a scale to assess OC tendencies among Japanese university students with a revised five-factor structure: ordering, obsessions, cleaning, indecisiveness, and checking. We examined the factor structure, reliability, criterion-related validity, and convergent validity of the OC tendencies scale by administering two surveys. In Survey 1 (N = 216), an exploratory factor analysis (EFA) was conducted to examine the criterion-related and convergent validity and reliability of the OC tendencies scale. In Survey 2 (N = 202), a confirmatory factor analysis (CFA) was conducted. EFA and CFA utilized a five-factor structure comprising checking, ordering, indecisiveness, cleaning, and obsessions. Correlations with other scales indicated that the OC tendencies scale had efficient convergent validity, criterion-related validity, internal consistency, and test-retest reliability. This study validated the five-factor structure of OC tendency in Japanese university students. However, indecisiveness was also strongly correlated with trait-anxiety. As this scale is easy to administer among large groups, it has the potential to contribute to mental health support for university students by measuring OC tendencies experienced on a daily basis, which have not been adequately measured in the past.

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BACKGROUND: Over 500 cases of school-based corporal punishment (CP) are reported annually in Japan. A major feature of CP in Japanese schools is its high prevalence during extracurricular sports activities. OBJECTIVE: The purpose of this study was to examine the influence of having suffered a CP-related injury on victims' later use of CP in an athletics environment. PARTICIPANTS AND SETTING: Participants were 704 undergraduate students of a sports instructor training course who were recruited as volunteers during classes. METHODS: A questionnaire on past experiences of CP and later perpetration of CP was administered to the participants. It was found that 31.3% of the students had experienced CP and 2.3% had perpetrated CP on others. We conducted logistic regression analyses with CP as an objective dependent variable and gender, grade and past CP experience (elementary, junior high school, or high school) as explanatory variables. RESULTS: The results of the analysis revealed that having experienced CP had a significant relationship with the victims' perpetration of CP. Elementary school was the only life stage for which there was a significant correlation between having been a victim of CP and practicing it in the future. CONCLUSIONS: Many studies have explored the use of CP in families, while others have demonstrated that physical education students who received CP themselves are more likely to find CP an acceptable method of maintaining discipline. This is the first study that investigates whether students who experienced CP show a higher prevalence of CP perpetration. The findings indicate that experiencing CP in childhood is a risk factor for future use of CP. Proper care is required for children who have experienced CP at a young age.

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Youths in Japanese residential care institutions often face challenges with social adaptation and career trajectories. This study aimed to examine the risk factors that lead residential care youths in Japan to drop out of high school. Eighty-nine residential care facilities completed a questionnaire that focused on the characteristics of residing high school students, their educational status, experiences of maltreatment before residence, diagnosed disabilities, and the timing of admission. A sample composed of 773 youths was analyzed. Among the facilities, the high school dropout rate among youths in residential care was 19.3% (n = 149). Data revealed that the time of admission had the utmost significant effect. The risk of dropping out for youths admitted at junior high school age was significantly higher than for youths admitted before that age. Overall, residential care youths had a higher risk of not adapting to high school, and youths receiving short-term care demonstrated difficulty continuing high school. These results illustrate the importance of psychological treatment and educational support for youth who enter residential care during adolescence. Hence, attention should be focused on improving youth engagement in school to improve their social and career outcomes.

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Elevated plasma homocysteine (Hcy) level increases the risk of osteoporotic fracture by deteriorating bone quality. However, little is known about the effects of Hcy on osteoblast and collagen cross-links. This study aimed to investigate whether Hcy induces apoptosis of osteoblastic MC3T3-E1 cells as well as affects enzymatic and nonenzymatic collagen cross-links and to determine the effects of bazedoxifene, a selective estrogen receptor modulator, on the Hcy-induced apoptosis and deterioration of collagen cross-links in the cells. Hcy treatments (300 µM, 3 mM, and 10 mM) increased intracellular reactive oxygen species (ROS) production in a dose-dependent manner. Propidium iodide staining showed that 3 and 10 mM Hcy induced apoptosis of MC3T3-E1 cells. Moreover, the activities of caspases-8, 9, and 3 were increased by 3 mM Hcy. The detrimental effects of 3 mM Hcy on apoptosis and ROS production were partly reversed by bazedoxifene and 17ß estradiol. In addition, real-time PCR, immunostaining and Western blot showed that 300 µM Hcy decreased the expression of lysyl oxidase (Lox). Furthermore, 300 µM Hcy increased extracellular accumulation of pentosidine, an advanced glycation end product. Treatment with bazedoxifene ameliorated Hcy-induced suppression of Lox expression and increase in pentosidine accumulation. These findings suggest that high-dose Hcy induces apoptosis of osteoblasts by increasing oxidative stress, and low-dose Hcy decreases enzymatic collagen cross-links and increases pentosidine accumulation, resulting in the deterioration of bone quality. Bazedoxifene treatment effectively prevents the Hcy-induced detrimental reactions of osteoblasts. Thus, bazedoxifene may be a potent therapeutic drug for preventing Hcy-induced bone fragility.

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This study investigated the relationship between stress and attitudes toward negative emotions in adolescents. Adolescent students (N=1500) completed a questionnaire that measured attitudes toward negative emotions, emotional-stress reactions, and stress coping. Analysis of date yielded, two factors of the attitudes toward negative emotions: "Negative feelings about negative emotions" and "Capabilities of switching of negative emotions". In order to examine the theoretical relationships among attitudes toward negative emotions, emotional-stress reactions, and stress coping, a hypothetical model was tested by covariance structure analysis. This model predicted that students who have a high level of attitudes toward negative emotions would report enhanced problem solving which promoted stress coping. The results indicated that "Negative feelings about negative emotions" enhanced avoidable coping, and avoidable coping enhanced stress reactions. "Capabilities of switching of negative emotions" was related to a decrease of avoidable coping. Based on the results from covariance structure analysis and a multiple population analysis, the clinical significance and developmental characteristics were discussed.

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