• Title/Summary/Keyword: Korean computer-based cognitive program

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The Effects of Computer - based Attention Program on Cognition and Executive Function in Elderly with Vascular Dementia (컴퓨터 주의집중 프로그램이 혈관성 치매노인의 인지, 실행기능에 미치는 영향)

  • Lee, Hyojeong;Hwang, Kyoungok
    • Journal of The Korean Society of Integrative Medicine
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    • v.2 no.2
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    • pp.13-20
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    • 2014
  • Purpose : The purpose of this study was to evaluate the influence of cognition and executive function by computer - based attention program in vascular dementia. Method : The subjects of this study, old man diagnosed with vascular dementia, 12 patients were picked up, who were agreed with this research and were having hospital care for 4 weeks at nursing care centers. Computer-based attention program was applied to vascular dementia. Cognitive function measured by a K-MMSE and executive function measured by ACL. The SPSS Ver. 18.0 statistical program was used for data processing. The significance level for statistical inspection was set as 0.05. Result : In comparison of cognitive function was not significantly correlated in the pre and post test and executive function was significantly correlated in the pre and post test. Conclusion : Therefore, the computer-based attention program is useful to improve the cognitive and executive function in elderly with vascular dementia.

Preliminary Study on the Effects of Virtual Reality-based Cognitive Rehabilitation and Computer-based Cognitive Rehabilitation on Function and Prefrontal Cortex in Convalescent Stroke Patients (가상현실기반 인지재활훈련과 컴퓨터기반 인지재활훈련이 회복기 뇌졸중 환자의 기능과 전전두엽 피질에 미치는 영향에 대한 사전연구)

  • Hyun-Min Lee;Soo-San Kim
    • Journal of the Korean Society of Physical Medicine
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    • v.18 no.2
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    • pp.103-114
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    • 2023
  • PURPOSE: This study compared the effects of computer-based and virtual reality-based cognitive rehabilitation programs on the cognitive function, upper limb function, activities of daily living, and their impact on the prefrontal cortex in convalescent stroke patients. METHODS: Ten recovering stroke patients were assessed for their cognitive function, upper limb function, and daily living activities using the Neurobehavioral Cognitive Status Examination, the Korean version of the Fugl-Meyer Assessment, and the Korean version of the Modified Barthel Index. The prefrontal cortex activity was measured with functional Near Infrared Spectroscopy. The virtual reality-based cognitive rehabilitation group utilized a program of daily living activities delivered via a laptop and Oculus Rift. The computer-based cognitive rehabilitation group performed various cognitive tasks on an all-in-one PC. Both groups underwent cognitive rehabilitation training for 30 minutes per day, three times a week, for six weeks, with identical conventional rehabilitation therapies in the hospital. RESULTS: Both programs positively impacted the cognitive and physical functions. On the other hand, the virtual reality-based cognitive rehabilitation program had a larger influence on improving the cognitive and physical functions of convalescing stroke patients. CONCLUSION: The virtual reality program suggests its potential to enhance cognitive and physical functions in convalescent stroke patients through increased engagement, focus, real-time feedback, and game elements, making it a promising rehabilitation approach.

Verification of Effectiveness and Satisfaction Survey for the Korean Computer-based Cognitive Rehabilitation Programs(CoTras)

  • Chae, Soo-Gyung
    • International Journal of Internet, Broadcasting and Communication
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    • v.14 no.3
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    • pp.230-242
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    • 2022
  • The purpose of this study was to verify the effectiveness of the computerized cognitive rehabilitation program in which areas and to suggest effective ways to utilize the program in the future, being conducted for 20 college students. We lasted this study from May 3 to 23, 2021. As a result of analyzing the groups using the Computer-based Cognitive Rehabilitation Program (CoTras), in terms of the difference in accuracy for the case of visual perception group B was statistically significantly improved than group C(p<0.05). In the case of attention, memory, and orientation, there was no significant difference between groups(p>0.05). In the case of reaction time difference, there was no significant difference between groups in visual perception, concentration, memory, and orientation(p>0.05). And in order to improve attention and visual perception, it is recommended to conduct the program three times with a duration of 20 minutes, and in order to improve orientation and memory, it can be said that it is helpful to conduct one experiment for at least 30 minutes rather than conducting short and frequent experiments. Through this study, we found that it is effective to apply different times according to each area to improve cognitive function. In other words, depending on the purpose of which cognitive function is to be improved, the duration of the program should be applied differently.

Effects of Korean Computer-Based Cognitive Rehabilitation Program on the Memory in Healthy Elderly

  • Lee, Jung Sook;Kim, Sung Won
    • Journal of International Academy of Physical Therapy Research
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    • v.9 no.4
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    • pp.1591-1595
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    • 2018
  • The number of healthy older adults is rapidly increasing recently owing to the increase of the elderly population. Therefore, programs for improving the cognitive functions of these healthy seniors are actively being expanded. This study aimed to prevent the decline of cognitive function due to aging by applying a program enhancing cognitive functions to healthy older adults. The objective of this study was to evaluate the effects of Korean computer-based cognitive rehabilitation program (CoTras), which is commonly used in cognitive therapy for the aging, on the memory of the elderly. The subjects had scored at least 24 points in MMSE-K. CoTras was applied once a week (30 minutes) for one month. Electronic pegboard programs were used as an evaluation tool: order memory (difficulty=low) and location memory (difficulty=medium). The order and location memories were compared before and after the intervention. The Wilcoxon signed rank-sum test was used for the study at the significance level of ${\alpha}=.05$. The results showed that CoTras significantly improved order memory and location memory. Therefore, CoTras can be applied to the healthy elderly for improving that memory improvement training has a positive impact on healthy older adults result in the development of memory enhancement programs can be expanded in the future.

The Effect of the Computer-Based Cognitive Rehabilitation Program (CoTras) on the Cognitive Function and Daily Living Activities of Elderly Stroke Patients (전산화 인지재활 프로그램 (CoTras) 훈련이 노인 뇌졸중 환자의 인지기능 및 일상생활활동에 미치는 영향)

  • Kim, Minho;Park, Jemin;Lee, Najung
    • Journal of The Korean Society of Integrative Medicine
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    • v.8 no.2
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    • pp.121-130
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    • 2020
  • Purpose : The objective of the current study was to evaluate the impact of the Computer-Based Cognitive Rehabilitation Program (CoTras) on the cognitive function and daily living activities of elderly and adult stroke patients. Methods : Twenty stroke patients were divided into two groups comprising 10 elderly stroke patients and 10 adult stroke patients. The CoTras was applied as the intervention for 30 minutes at a time, three times a week, for nine weeks (i.e., a total of 27 times), to both groups. The Neurobehavioral Cognitive Status Examination was used to assess cognitive function, and the Functional Independence Measure was utilized to evaluate daily living activities, prior to, during, and after the intervention. Results : The CoTras was demonstrated to have a statistically significant and positive effect on the cognitive function and daily living activities of stroke patients. However, the effect of the program on the restoration of weight-shifting capacity, as a component of the daily living activities of stroke patients, was without statistical significance. The program had a greater influence on improving the cognitive function and daily living activities of elderly stroke patients than adult stroke patients. Conclusion : This study makes a meaningful contribution to the literature on the topic as the intervention was demonstrated to lead to a more significant recovery of cognitive function and daily living activities in elderly stroke patients, compared to adult patients. Therefore, it is proposed that the CoTras should be used as a clinical intervention for elderly stroke patients. Future studies that evaluate the application of the CoTras, along with other occupation-based intervention programs, are warranted.

Designing Handheld Learning Tool Based On Cognitive Load Theory (인지 부하 이론에 기초한 PDA 기반 학습 프로그램 설계 연구)

  • Kim, Dongsik;Kwon, Sukjin
    • The Journal of Korean Association of Computer Education
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    • v.10 no.1
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    • pp.67-75
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    • 2007
  • The purpose of the study is to develop handheld learning tool based on design principles drawn from cognitive load theory. To optimize learner's cognitive load, the learning program should be developed for maximizing the effective load and(or) minimizing ineffective load. The principles, which were applied to developing the learning program, for minimizing the extraneous cognitive load, one of the ineffective loads, are modality, redundancy, split-attention, multimedia, and worked-out example. In this study, we will show possibilities for designing an effective mobile learning program.

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The Effect of Computer-Based Cognitive Rehabilitation Program on Visual Perception and ADL in Children with Intellectual Disaility (전산화 인지프로그램(코트라스)이 지적장애 아동의 시지각과 일상생활에 미치는 효과)

  • Kim, S.Y.;Rhee, K.M.
    • Journal of rehabilitation welfare engineering & assistive technology
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    • v.9 no.2
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    • pp.105-113
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    • 2015
  • The purpose of the study was to verify the clinical effect of Computer-based cognitive rehabilitation program for Children for recovering the visual perception and ADL ability in intellectual disability. For this purpose, 3 intellectual disabilities with visual perception and ADL disorders participated in a clinical experiment to verify the effect of Computer-based cognitive rehabilitation program. They all have 5 common conditions in intellectual disability for objective experimental result. All participant were evaluated with Korean-Development Test of Visual Perception-2(K-DTVP-2), Wee Functional Independence Measure(Wee-FIM) before and after the planned intervention sessions. All intervensions were intensively carried out for 20weeks, 1 time a week. The result were as follows. K-DTVP and Wee-FIM scores were improved significantly compared to pre-intervention. Further studies are needed to verify the effect on various group and lots of participants.

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The Effect of Computerized Cognitive Program on Cognitive Function and Activities of Daily Living of Stroke Patients (전산화 인지프로그램 적용이 뇌졸중 환자의 인지기능과 일상생활활동에 미치는 영향)

  • Jang, Cheul;Bae, Won-Sik
    • Journal of The Korean Society of Integrative Medicine
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    • v.9 no.4
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    • pp.49-58
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    • 2021
  • Purpose : This study investigates the effects of the application of traditional occupational therapy and the korean computerized cognition training system on the cognitive function and performance of daily activities of stroke patients with cognitive impairment. Methods : From inpatients referred for rehabilitation treatment at L Rehabilitation Hospital located in Busan, 20 patients diagnosed with stroke from April 05. 2021 to May 02. 2021 (study period) were selected, They were divided into two, an experimental group consisting of 10 subjects who underwent a computerized cognitive rehabilitation program and traditional occupational therapy in combination and a control group of 10 subjects who underwent traditional occupational therapy alone. In order to measure the cognitive function of the subjects before the intervention, two assessment tests were conducted: a Neurobehavioral Cognitive Status Examination (NCSE), which evaluates stroke-related cognitive ability, and a Functional Independence Measure (FIM) test, which evaluates life activities. Then, both groups received a total of 20 training sessions at 30 minutes per session, five times a week for four weeks. Results : A statistically significant difference was found in cognitive function between before and after the cognitive training for both the experimental group and the control group. For the FIM scores, statistically significant differences were observed after intervention in the categories of handling personal matters and social cognition, and in the total score. The average scores of the remaining items also improved. Conclusion : The results of this study showed that both the computerized cognition rehabilitation program and the traditional occupational therapy had a positive effect on the improvement of cognitive function in stroke patients.

A Computational Model of Language Learning Driven by Training Inputs

  • Lee, Eun-Seok;Lee, Ji-Hoon;Zhang, Byoung-Tak
    • Proceedings of the Korean Society for Cognitive Science Conference
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    • 2010.05a
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    • pp.60-65
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    • 2010
  • Language learning involves linguistic environments around the learner. So the variation in training input to which the learner is exposed has been linked to their language learning. We explore how linguistic experiences can cause differences in learning linguistic structural features, as investigate in a probabilistic graphical model. We manipulate the amounts of training input, composed of natural linguistic data from animation videos for children, from holistic (one-word expression) to compositional (two- to six-word one) gradually. The recognition and generation of sentences are a "probabilistic" constraint satisfaction process which is based on massively parallel DNA chemistry. Random sentence generation tasks succeed when networks begin with limited sentential lengths and vocabulary sizes and gradually expand with larger ones, like children's cognitive development in learning. This model supports the suggestion that variations in early linguistic environments with developmental steps may be useful for facilitating language acquisition.

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Design of Kernels Based on DNA Computing for Concept Learning (개념학습을 위한 DNA 컴퓨팅 기반 커널의 설계)

  • Noh, Yung-Kyun;Kim, Cheong-Tag;Zhang, Byoung-Tak
    • Proceedings of the Korean Society for Cognitive Science Conference
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    • 2005.05a
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    • pp.177-181
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    • 2005
  • 기계학습에서 커널을 이용한 방법은 그 응용범위가 기계학습의 전반에 걸쳐 다양하게 이용되고 있으며, 그 성능 또한 기존의 방법들을 앞지르고 있다. 이는 기존의 비선형적 접근을 커널을 이용한 고차원 공간에서의 선형적 접근법으로 바꿈으로써 가능하게 되는 것이다. 다양한 분야에 적용되는 많은 커널들이 존재하며 각 커널들은 특별한 분야에 적용되기 쉽도록 다른 형태를 띠고 있기도 하지만, 커널로서 작용하기 위해 양한정 조건(positive definiteness)을 만족해야 한다. 본 연구에서는 DNA 문제에 직접 적용시킬 수 있는 방법으로서의 새로운 커널을 제시한다. 또한 매트로폴리스(Metropolis) 알고리즘을 이용하여 DNA의 hybridization과정을 모사함으로써 새로운 종류의 커널이 양한정(positive definite) 조건을 만족시킬 수 있는 방법을 제시한다. 새로 만들어진 커널이 행렬값을 형성해 나가는 과정을 살펴보면 인간이 예(instance)로부터 개념을 형성해 나가는 과정과 흡사한 양상을 보이는 것을 알 수 있다. 개념을 나타내는 좋은 예로서의 표본(prototype)으로부터 개념이 형성되어 가는 과정은 표본(prototype)이 아닌 예로부터 개념이 형성되는 과정과 다른 양상을 띠는 것과 같은 모양을 보인다.

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