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| 1 | Multi-millijoule terahertz emission from laser- wakefield-accelerated electrons显示文摘High-power terahertz radiation was observed to be emitted from a gas jet irradiated by 100-terawatt-class laser pulses in the laser-wakefield acceleration of electrons.The emitted terahertz radiation was characterized in terms of its spectrum,polarization,and energy dependence on the accompanying electron bunch energy and charge under various gas target conditions.With a nitrogen target,more than 4 mJ of energy Was produced at<10 THz with a laser-to-terahertz conversion efficiency of~0.15%.Such strong terahertz radiation is hypothesized to be produced from plasma electrons accelerated by the ponderomotive force of the laser and the plasma wakefelds on the time scale of the laser pulse duration and plasma period.This model is examined with analytic calculations and particle-in-cell simulations to better understand the generation mechanism of high-energy terahertz radiation in laser-wakefield acceleration. | Taegyu Pak Mohammad Rezaei-Pandari Sang Beom Kim Geonwoo Lee Dae Hee Wi Calin loan Hojbota Mohammad Mirzaie Hyeongmun Kim Jae Hee Sung Seong Ku Lee Chul Kang Ki-Yong Kim | 2023 | Light(Science & Applications)2023，12，2： | 1 |
| 2 | Meta-analysis on the effectiveness of parent education for children with disabilities显示文摘BACKGROUND Parents of children with disabilities often have difficulty understanding their child’s behavior and are unable to do it appropriately because they do not know what to do.The more we properly understand children with disabilities,the more positive the importance of parent education becomes in various aspects.AIM To demonstrate the effectiveness of parent education for children with disabilities in various aspects and present it as evidence that can be used clinically.METHODS For a meta-analysis on the effectiveness of parent education for children with disabilities,literature was collected from 2002 to 2022 using PubMed,Embase,Web of Science,Directory of Open Access Journals,and Europe PMC.Search terms were“disabled children,”“disabled children,”“parent education,”“parent training,”and“parent coaching.”The final searched literature included a total of 11 articles.To calculate the effect size,the mean,standard deviation,and sample size of the experimental and control groups were analyzed,and a meta-analysis was performed using RevMan version 5.4.1.To analyze statistical heterogeneity,a chi-square test was performed to evaluate the significance of Q statistics to indicate statistical heterogeneity.RESULTS The final literature totaled 11 articles,and a total of 4 items were analyzed.There were 5 studies on parental depression,the heterogeneity was 98%,and the effect size for parental depression was 0.35[confidence interval(CI:0.30-0.40)],indicating a small but statistically significant effect size.There were 4 studies on parenting attitude,the heterogeneity was 100%,the effect size on parenting attitude was 0.41(CI:0.37-0.46),which was a medium effect size,and the P value showed a statistically significant score.Additionally,face-to-face parent education was found to have a larger effect size than non-face-to-face education.Regarding parent education methods,face-to-face parent education had a medium effect size[0.57(CI:0.52-0.61)],while non-face-to-face parent education had a small effect size[0.23(CI:0.18-0.28)].CONCLUSION Parental education has shown high effectiveness in child development,and it has proven to be even more effective when face-to-face parenting education is conducted.Accordingly,more effective and objective data was presented.Based on this study,it is believed that parent education research applying various diagnostic groups should continue to be conducted. | JongSik Jang Geonwoo Kim Hyewon Jeong Narae Lee Seri Oh | 2023 | World Journal of Clinical Cases2023，11，29： | 0 |
| 3 | Effectiveness of sensory integration therapy in children,focusing on Korean children:A systematic review and meta-analysis显示文摘BACKGROUND Sensory integration intervention is highly related to the child's effective interaction with the environment and the child's development.Currently,various sensory integration interventions are being applied,but research methodological problems are arising due to unsystematic protocols.This study aims to present the optimal intervention protocol by presenting scientific standards for sensory integration intervention through meta-analysis.AIM To prove the effectiveness of sensory integration therapy,examine the latest trend of sensory integration studies in Korea,and provide clinical evidence for sensory integration therapies.METHODS The database of Korean search engines,including RISS,KISS,and DBpia,was used to search for related literature published from 2001 to October 2020.The keywords,“Children”,“Sensory integration”,“Integrated sensory”,“Sensorymotor”,and“Sensory stimulation”were used in this search.Then,a meta-analysis was conducted on 24 selected studiesRISS,KISS,and DBpia,was used to search for related literature published from 2001 to October 2020.The keywords,“Children”,“Sensory integration”,“Integrated sensory”,“Sensorymotor”,and“Sensory stimulation”were used in this search.Then,a meta-analysis was conducted on 24 selected studies.RESULTS Sensory integration intervention has been proven effective in children with cerebral palsy,autism spectrum disorder,attention deficit/hyperactivity disorder,developmental disorder,and intellectual disability in relation to the diagnosis of children.Regarding sensory integration therapies,1:1 individual treatment with a therapist or a therapy session lasting for 40 min was most effective.In terms of dependent variables,sensory integration therapy effectively promoted social skills,adaptive behavior,sensory processing,and gross motor and fine motor skills.CONCLUSION The results of this study may be used as therapeutic evidence for sensory integration intervention in the clinical field of occupational therapy for children,and can help to present standards for sensory integration intervention protocols. | Seri Oh Jong-Sik Jang A-Ra Jeon Geonwoo Kim Mihwa Kwon Bahoe Cho Narae Lee | 2024 | World Journal of Clinical Cases2024，12，7： | 0 |
| 4 | Analysis of the effectiveness of cognitive rehabilitation for patients with chronic mental illness:A meta-analysis显示文摘BACKGROUND People suffering from chronic mental illness are sensitive to stressful stimuli,lack coping skills,and have low self-esteem due to problems such as social situations.They also experience depression,isolation,fear,and frustration.Due to cognitive dysfunction,people suffering from chronic mental illness have inadequate cognitive processes that lead to distorted thinking.AIM To confirm the effectiveness of cognitive rehabilitation therapy in improving cognitive function and alleviating behavioral and psychological symptoms in patients with chronic mental illness,and to identify the cognitive function that had the main effect.METHODS The quality of the studies was evaluated using the Assessment of Multiple Systematic Reviews criteria,and data published from 2011 to December 2022 were searched using PubMed,Cochrane,RISS,KISS,and DBpia.The keywords used in the search were“mental illness,”“cognitive rehabilitation,”“cognition,”and“mental.”A meta-analysis was conducted on the 12 selected papers.RESULTS The level of evidence for the 12 documents was that of a randomized experimental study.Intervention types in cognitive rehabilitation can be divided into cognitive behavior,cognitive training,cognitive rehabilitation,and computerized cognitive programs.Most of the studies were on schizophrenia,and the measurement areas were cognitive functions(e.g.,concentration,memory,and executive function)as well as depression,sociability,and quality of life.As a result of the meta-analysis of each variable,the effect size for cognitive rehabilitation treatment was in the following order:Sociability,memory,concentration,executive function,quality of life,and depression.Particularly,sociability and memory exhibited significant effects.CONCLUSION Cognitive rehabilitation aids cognitive function and sociability in patients with chronic mental illness and can be used as evidence for cognitive rehabilitation in mental health and occupational therapy. | Jong-Sik Jang Seri Oh Geonwoo Kim Narae Lee Hyesu Song Jihye Park Yushin Lee Minji Kim Mihwa Kwon | 2023 | World Journal of Clinical Cases2023，11，32： | 0 |
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