Objective: Attention-deficit/hyperactivity disorder (ADHD) is a common neurodevelopmental disorder in elementary school children. The present study investigated the characteristics of ADHD in Korean elementary school children using the Korean version of the ADHD Rating Scale (K-ARS). The data was compared with those obtained from a comparable American population.
Methods: Participants included 29,914 elementary school children, aged 6-12 years, from a medium-sized city. The parents completed the home version of the K-ARS. The total and subscale-specific normative data and sex- and age-related mean score differences were analyzed. These data were compared with those obtained from the American population using independent t-tests.
Results: Mean total and subscale K-ARS scores were significantly higher among boys (vs. girls) and younger children aged equal to or less than 8 years old (vs. older children). Mean scores on the hyperactivity-impulsivity subscale were lower than those of American children, but similar to another Korean sample.
Conclusion: Our data characterized ADHD symptoms in Korean children. However, further studies are needed to identify the cultural differences underlying ratings of ADHD symptom severity.
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http://dx.doi.org/10.30773/pi.2019.03.26 | DOI Listing |
Nat Commun
December 2024
Key Laboratory for Quantum Materials of Zhejiang Province, Department of Physics, School of Science, Westlake University, 18 Shilongshan Road, Hangzhou, 310024, Zhejiang Province, China.
Extending ferroelectric materials to two-dimensional limit provides versatile applications for the development of next-generation nonvolatile devices. Conventional ferroelectricity requires materials consisting of at least two constituent elements associated with polar crystalline structures. Monolayer graphene as an elementary two-dimensional material unlikely exhibits ferroelectric order due to its highly centrosymmetric hexagonal lattices.
View Article and Find Full Text PDFNutrition
December 2024
Department of Nutrition, China Medical University, Taichung, Taiwan. Electronic address:
Objective: The effect of dietary diversity and eating behavior on attention, and concentration among children lacking in resources is unclear. We aim to investigate the association between dietary diversity, eating behavior, and cognitive abilities among economically disadvantaged children at high risk of cognitive impairment.
Methods: This study enrolled 676 children aged 10-12 years from 16 free academic tutoring centers across Taiwan.
Womens Health (Lond)
December 2024
Department of Pharmacy, College of Health Sciences, Wollaga University, Nekemte, Ethiopia.
Background: Women's empowerment is essential for achieving sustainable development goals. It involves enabling women to take control of their lives by giving them the agency, resources, and opportunities they need to make their own choices and reach their full potential. If more women are empowered to use modern contraceptives, greater reductions in maternal mortality will follow.
View Article and Find Full Text PDFJ Intell
December 2024
Department of Education and Psychology, Freie Universität Berlin, 14195 Berlin, Germany.
The association between school students' social background and school achievement is well documented. Recent studies demonstrated that this association might be moderated by the level of cognitive potential. Based on these results, we recruited an elementary school sample ( = 837) and an adolescent sample at the end of their compulsory school time ( = 2100) to investigate whether the associations between students' social background and their academic achievement in math and language arts were moderated by the level of their general cognitive competencies, i.
View Article and Find Full Text PDFCurr Issues Mol Biol
November 2024
Department of Biology, Eskisehir Osmangazi University, 26000 Eskişehir, Türkiye.
The purpose of the current study was to find out whether escin (ES) safeguarded experimental rats against cyclophosphamide (CP)-induced kidney injury. Twenty-four rats were randomly divided into four groups ( = 6). After the examination, histological and biochemical analyses were performed to assess the alterations in kidney tissue.
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