• 대한한방소아과학회지
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• 제23권1호
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• pp.95-113
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• 2009

Objectives This study was investigated to find how the orally administrated Moschus, herbal combination with Moschus, and herbal combination improves the rats' memory and rats' liver. These medications are generally known asthe memory improvement. Methods This study used the Sprague Dawley rats. They were divided into two groups - SD rats and orally administrated Saline(Control group). 0.473 mg/kg Moschus(HM-A), 153.9 mg/kg herbal composition without Moschus(HM-B), and 165.95 mg/kg herbal composition with Moschus combined(HM-C) Control, saline were orally administered. Each group was trained in the eight-arm radial maze task at the conditions of before oral administrated, and also right after third, sixth, and eighth by oral administration. Lastly, these animals were killed and were tested for brain tissue and serum AST/ALT level to measure how the medications were effected to the liver function. Results The result of radial eight-arm maze task test, the HM-B and HM-C groups showed significant decrease in mistakes from the fourth day of testing. Whereas, the HM-A group showed increasing in the error rate. HM-A and HM-C group of rats had significantly increased amount of acetylcholinesterase in the CA1 region of hippocampus, compared to the control group. Whereas, HM-B and HM-C group had increased level of ChAT compared to the control group. On the other hand, each experimental group did not show any significant difference to the level of serum AST/ALT and the weight ratio of the liver to the body. Conclusions This study provided evidences that the orally administered memory improvement herbal medication, and Moschus were effective to improve memory.

• 대한물리의학회지
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• 제15권1호
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• pp.65-76
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• 2020

PURPOSE: The purpose of this study were to determine an intervention that involves proprioceptive exercises combined with cognitive task completion for adults with chronic ankle instability and to investigate the effects of the exercises on the static balance, dynamic balance, and ankle function of such individuals. METHODS: A total of 30 adults suffering from the aforementioned condition were randomly divided into experimental (n=15) and control (n=15) groups. The experimental group performed proprioceptive exercises in combination with cognitive tasks for 15 minutes in each session that was held three times a week for four 4 weeks, whereas the control group carried out only proprioceptive exercises. A Wii Balance Board, which enables examining the fluctuation area distance, and speed, was used to determine static balance; a Y-balance test kit was employed to measure dynamic balance; and the side hop, figure-of-8 hop, and square hop tests were conducted to ascertain ankle function. RESULTS: The results showed that the static balance, dynamic balance, and ankle function of both the experimental and control groups significantly improved. The participants were instructed to perform one-leg postural exercises with and without vision blocking for the affected leg. The experimental group showed more significant improvement than did the controls in terms of the fluctuation distance, speed, and area of static balance. CONCLUSION: In conclusion, although combined proprioceptive exercises and cognitive tasks were insufficient to enhance all types of balance among the subjects, it effectively reinforced their static balance.

• 한국콘텐츠학회논문지
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• 제16권5호
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• pp.58-67
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• 2016

후천성 뇌손상(ABI) 환자의 인지-언어 능력은 하위 영역 간 상호작용의 맥락에서 고려되어야 하는데, 특히 화용언어는 통합적 인지 처리를 관장하는 집행기능과 직결된다. 본 연구에서는 ABI 환자를 대상으로 화용언어와 집행기능 간의 상관성을 규명하고자 하였다. 이를 위해 만 55세 이상의 ABI 환자군 35명(뇌졸중에 의한 실어증 21명, TBI 14명)을 대상으로 화용언어와 집행기능 관련 5개 하위 과제를 평가하였다. 그 결과, 실어증 집단은 비유언어 이해 및 기능/상징언어가 실행화 과제와 유의한 상관성을 보였고, TBI 집단은 모든 과제 간에 유의한 상관성이 있었다. 실어증 집단의 비유언어 이해는 실행화, 그리고 TBI 집단의 비유언어 표현과 기능/상징언어는 각각 계획화와 실행화를 가장 잘 예측하는 과제였다. 본 연구를 통해 ABI 이후의 인지-언어적 중재 시 상호 보완적으로 활용할 수 있는 화용언어 및 집행기능 과제들을 제시할 수 있었다.

• 동의생리병리학회지
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• 제36권1호
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• pp.18-22
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• 2022

To investigate effects of cognitive function improvement whether against Taegeuk ginseng on scopolamine-induced memory impairment in rats. All experiments were conducted in three groups: the control group (CTR), the scopolamine 0.4mg/kg (SCP), and the scopolamine (SCP+T) treated with Taegeuk ginseng 100 mg/kg. Taegeuk ginseng 100 mg/kg daily was orally administered for one month and treated with scopolamine was only for 7 consecutive days on the Morris water maze task. 3 weeks after oral administration of Taegeuk ginseng, subjects were performed the Morris water maze test for 8 days and then the open-field exploration test which to assessed for cognitive function improvement. After behavioral testing, subjects were sacrificed and microdissected brains for neurochemical analysis. In the cognitive-behavioral test, long-term administration of Taegeuk ginseng improved spatial navigation learning task compared with the impeded by scopolamine treatment. In neurochemistry, the expression of the synaptic marker PSD95 (postsynaptic density protein 95) was increased in the hippocampus compared to the scopolamine group. Also, brain-derived neurotrophic factor (BDNF) expression was significantly increased in the taegeuk ginseng administration group. These data suggested that long-term administration of taegeuk ginseng might improve cognitive-behavioral functions on hippocampal related spatial learning memory, and it was correlated with neurotropic and synaptic reinforcement. In conclusion, treatment with taegeuk ginseng may positive outcome on learning and memory deficit disorders.

• 대한간호학회지
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• 제47권1호
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• pp.1-13
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• 2017

Purpose: The purpose of this study was to examine the effects of a cognitive training program on neurocognitive task performance and activities of daily living (ADL) in patients who had a stroke. Methods: The research design for this study was a nonequivalent control group non-synchronized design. Patients were assigned to the experimental (n=21) or control group (n=21). The experimental group received a 4-week cognitive training program and usual care (i.e., rehabilitation service), while the control was received usual care only. Cognitive function was measured with a standardized neurocognitive test battery and ADL was assessed at baseline and one and two months after completion of the intervention. Repeated measures ANOVA was used to determine changes in cognitive function and ADL over 2 months. Results: The interaction of group and time was significant indicating that the experimental group showed improvement in attention, visuospatial function, verbal memory, and executive function compared to the control group which had a sustained or gradual decrease in test performance. A significant group by time interaction in instrumental ADL was also found between the experimental group with gradual improvement and the control group showing no noticeable change. Conclusion: Findings show that the cognitive training program developed in this study is beneficial in restoring cognitive function and improving ADL in patients following a stroke. Further study is needed to investigate the long-term relationship between cognitive training participation and cognitive improvement and effective functioning in daily living.

• 한국산학기술학회논문지
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• 제16권3호
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• pp.1894-1903
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• 2015

본 연구의 목적은 만성뇌졸중 환자에게 운동학습이론을 기초한 물리치료와 작업치료를 병행한 집단 과제지향적 순환훈련 프로그램을 실시하여 운동기능, 일상생활동작과 삶의 질적인 변화를 알아보고자 하였다. 6명의 만성 뇌졸중 환자에게 31주간 실시하였다. Chedoke-McMaster 뇌졸중평가, 균형검사, 일상생활활동 운동 처리기술 평가(Assessment of Motor and Process Skills: AMPS)와 뇌졸중 영향척도 측정을 치료 전과 후에 수집하였다. 연구결과, 운동기능 손상영역, 균형과 뇌졸중 영향척도의 기분과 정서영역에서 통계적으로 유의하게 향상되었다. 일상생활활동 운동 처리기술 평가는 운동(motor)영역에서 6명 중 3명에게 처리(process)영역은 4명에서 훈련 후 향상되었다. 본 연구결과를 바탕으로 집단 과제지향적 순환훈련은 지역사회 만성 뇌졸중 환자의 신체적 기능 향상에 이점이 있다고 제언하는 바이다.

• IEIE Transactions on Smart Processing and Computing
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• 제2권6호
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• pp.367-372
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• 2013

Cloud computing technology has been developing at an increasing expansion rate. Today most of firms are using this technology, making improving the quality of service one of the most important issues. To achieve this, the system must operate efficiently with less idle time and without deteriorating the customer satisfaction. This paper focuses on enhancing the efficiency of a conventional Genetic Algorithm (GA) for task scheduling in cloud computing using Fuzzy Logic (FL). This study collected a group of task schedules and assessed the quality of each task schedule with the user expectation. The work iterates the best scheduling order genetic operations to make the optimal task schedule. General GA takes considerable time to find the correct scheduling order when all the fitness function parameters are the same. GA is an intuitive approach for solving problems because it covers all possible aspects of the problem. When this approach is combined with fuzzy logic (FL), it behaves like a human brain as a problem solver from an existing database (Memory). The present scheme compares GA with and without FL. Using FL, the proposed system at a 100, 400 and 1000 sample size*5 gave 70%, 57% and 47% better improvement in the task time compared to GA.

• 한국정보통신학회:학술대회논문집
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• 한국정보통신학회 2022년도 춘계학술대회
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• pp.394-395
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• 2022

Exergames are playing an important role in healthcare/rehabilitation. It has also been used to improve motivation among patients with reduced cognition. The purpose of this pilot study was to evaluate the feasibility of using augmented reality (AR) with game-based cognitive-motor training programs for executive function, restricted and repetitive behaviors (RRBs) in children with autism spectrum disorder. Sixteen children aged 6 -16 years were randomly allocated to the experimental group and control group. Outcome measures were performed before and after the intervention and included executive function, restricted and repetitive behavior. A satisfactory survey was conducted post-intervention. A statistically significant improvement was observed in working memory and cognitive flexibility in the experimental group (P<0.05). However, despite no statistical improvements in cognitive inhibition and four subscales of RRBs, promising changes were observed in all the subscales of the executive function and the behavioral outcomes. Parents appreciated the program and children enjoyed the interaction with the AR game-based training. The findings of this preliminary feasibility study showed that AR using Kinect v2 motion with a cognitive-motor game content can be used for children with autism. However, there is a need for conducting a large-scale study to evaluate his effectiveness on executive function and restricted and repetitive behaviors.

• 대한지역사회작업치료학회지
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• 제4권2호
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• pp.63-73
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• 2014

목적 : 본 연구는 수공예활동과 글씨쓰기활동이 과제를 수행할 때에 양손협응에 미치는 영향에 대해 알아보고자 하였다. 연구방법 : 손 기능에 장애가 없는 20대 대학생 30명을 선정하여 무작위방법으로 10명씩 세 군으로 나누었다. 실험군 1(수공예활동), 실험군 2(글씨쓰기활동), 대조군으로 배분하였다. 중재 전, 후에 각각의 양손협응의 정도를 비교하기 위하여 Jebsen-taylor hand function test, Purdue pegboard test, Minnesota manual dexterity test를 시행하였다. 결론 : 수공예활동과 글씨쓰기 훈련 전, 후를 비교한 결과 중재 후에 실험군 1(수공예활동)과 실험군 2(글씨쓰기활동)에서 손 기능 및 양손협응에 긍정적인 영향을 미치는 것을 알 수 있었다. 특히, 실험군 1(수공예활동)은 Jebsen-taylor hand function test 항목에서 실험군 2(글씨쓰기활동)는 Purdue pegboard test 항목에서 중재 후에 통계적으로 유의한 차이를 보였다. 결론 : 수공예활동은 과제를 수행할 때에 양손협응을 향상시키고 글씨쓰기활동은 손의 기민성을 향상시킨다는 것을 알 수 있었다. 즉, 수행하는 과제에 따라 수공예활동과 글씨쓰기활동이 미치는 영향이 다르다는 것을 알 수 있었다. 후속 연구에서는 모든 연령과 다양한 수공예활동과 글쓰기활동에 대한 다각도의 연구가 수행된다면 협응능력 제한이 있는 사람의 작업 중재 방법에 도움이 되리라 생각한다.

• 한국조리학회지
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• 제17권1호
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• pp.1-11
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• 2011

본 연구는 Dacum을 활용하여 현재 호텔연회 서비스종사원이 수행하는 업무를 체계적으로 분석하였다. 분석협조자인 호텔식음료전문가는 특급호텔 현직식음료매니저 6명으로 구성하였다. 연구기간은 2010년 5월에서 6월까지이며 집단조사, 개별서면조사, 개별면담조사를 실시하였다. 이를 통해 호텔연회 서비스종사원의 직무의 정의와 책무와 수행 작업을 도출하였다. 또한 호텔연회 서비스종사원에 필요한 수행 작업의 중요도, 난이도, 수행 빈도를 도출하 였다. 연구 결과를 살펴보면 호텔연회 서비스종사원의 직무영역에는 연회행사 전 업무, 연회행사 중 업무, 연회행사 후 업무, 연회장 안전관리, 고객응대 및 자기개발이 있는 것으로 나타났다. 호텔연회 서비스종사원의 수행 작업은 총 49개로 연회행사 전 업무에서 16개, 연회행사 중 업무에서 13개, 연회행사 후 업무에서 10개, 연회장 안전관리에서 4개, 고객응대 및 자기개발에서 6개가 있는 것으로 나타났다. 본 연구를 통해 도출된 시사점은 중요도와 수행 빈도가 높은 직무영역인 연회행사 전 업무, 연회행사 중 업무, 연회행사 후 업무에 대해 우선적인 교육이 이루어질 필요가 있다.