• Title/Summary/Keyword: cognitive functions

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Reference Model and Architecture of Interactive Cognitive Health Advisor based on Evolutional Cyber-physical Systems

  • Lee, KangYoon
    • KSII Transactions on Internet and Information Systems (TIIS)
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    • v.13 no.8
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    • pp.4270-4284
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    • 2019
  • This study presents a reference model (RM) and the architecture of a cognitive health advisor (CHA) that integrates information with ambient intelligence. By controlling the information using the CHA platform, the reference model can provide various ambient intelligent solutions to a user. Herein, a novel approach to a CHA RM based on evolutional cyber-physical systems is proposed. The objective of the CHA RM is to improve personal health by managing data integration from many devices as well as conduct a new feedback cycle, which includes training and consulting to improve quality of life. The RM can provide an overview of the basis for implementing concrete software architectures. The proposed RM provides a standardized clarification for developers and service designers in the design and implementation process. The CHA RM provides a new approach to developing a digital healthcare model that includes integrated systems, subsystems, and components. New features for chatbots and feedback functions set the position of the conversational interface system to improve human health by integrating information, analytics, and decisions and feedback as an advisor on the CHA platform.

Development of MCI Extended Reality-based Cognitive and Motor Training Workbench and Contents Design Proposal for Older People (Extended Reality 기반 고령자 대상 인지·운동 기능 훈련 워크벤치 개발 및 콘텐츠 설계 제안)

  • Kim, Taehong;Kim, Joong Il;Seo, Jeong-Woo;Do, Jun-Hyeong
    • Journal of the Korea Institute of Information and Communication Engineering
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    • v.26 no.11
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    • pp.1755-1758
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    • 2022
  • One of the most negative social changes of the last decade is population aging which leads to 19 times more patients with Mild Cognitive Disorder(MCI). It is well established that MCI is the most important state that can prevent dementia with early diagnosis and intervention. However, the social security system for patients with dementia is not working properly due to the coronavirus pandemic and the limited human power. This article proposes a form of workbench and design principles for dementia training programs of extended reality devices. and the findings in this study provide a guide for considering the cognitive and physical and social functions of patients.

Uniqueness and Major Issues of Neuroethics (신경윤리의 독자성과 주요 쟁점들)

  • Kim, Hyo-eun;Sul, Sunhae
    • Korean Journal of Cognitive Science
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    • v.29 no.1
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    • pp.61-84
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    • 2018
  • This paper aims to examine the philosophical significance of neuroethics and its unique position within the cognitive paradigm, and to discuss major issues of neuroethics. Recent advances in neuroscience enable more direct access and intervention to human mind, which reduces the distinction between matter and mind and brings up new philosophical questions on human nature. Neuroethics takes interdisciplinary and integrative approach, in order to deal with the ethical issues related to new findings and technology of neuroscience that cannot be covered by the traditional legal and social systems. Some of the ethical issues of neuroscience overlap with the classical bioethics problems but majority of major issues are unique to neuroethics. These issues are mainly related to mind reading through the observation and decoding of brain activities and to cognitive enhancement through directly manipulating brain functions. Considering the current status and trends of Korean neuroscientific research, it is necessary to begin in-depth discussion of neuroethical issues with the collaboration among experts in related fields.

The Effect of Dance Therapy on Pulmonary and Cognitive Function in the Elderly (무용요법이 노인의 폐기능과 인지기능에 미치는 효과)

  • 이영란;유숙자
    • Journal of Korean Academy of Nursing
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    • v.29 no.6
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    • pp.1273-1283
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    • 1999
  • This study was done to explore the effects of dance therapy on pulmonary and cognitive functions in the elderly. The design of this study was a non-equivalent pre-post test experiment. The subjects consisted of elderly persons living in a facility located in Kyoungi-Do. Fifty eight subjects had normal cognition, sensory function and resting blood pressure. They underwent tests of pulmonary and cognitive function as baseline data before dance therapy, and at 6th week and at the end of 12nd week after following dance therapy. Twenty seven elderly persons were assigned to the experimental group and participated with the dance therapy. This therapy was based on the Marian Chace's dance therapy and Korean traditional dance with music. The dance therapy consisted of 50 minutes session, 3 times a week for 12 weeks. One session consisted of warming-up, expression, catharsis, sharing and closing stage. the intensity of the dance therapy was at the 40% of age-adjusted maximum heart rates. Data were analyzed with mean, standard deviation, Chi-square test, unpaired t-test, repeated measures ANOVA, and Bonferroni multiple regression using SAS program. The results were as follows : 1. Pulmonary function(forced expiratory volume at one second and forced vital capacity) of the experimental subjects significantly increased over time more than that of the control subjects. 2. The experimental group had significantly higher score for pulmonary function than the control group at the 12nd week after dance therapy. 3. Cognitive function of the experimental subjects significantly increased over time more than that of the control subjects. 4. The experimental group had significantly higher score for cognitive function than the control group at the 6th week and 12nd week after dance therapy. The findings showed the dance therapy could be effective in improving the pulmonary and cognitive function of the elderly.

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The Effect of Physical Therapy and Related factors on Cognitive Function in Stroke Patients (뇌졸중환자의 물리치료 적용에 따른 인지기능변화와 관련요인)

  • Yi Seung-Ju;Kang Jeom-Deok;Lee Tae-Sig;Lee Dong-Hyung;Lee Soung-Dong;Jeong Seong-Young
    • The Journal of Korean Physical Therapy
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    • v.12 no.3
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    • pp.445-453
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    • 2000
  • Objectives : The aim of this study was to analyze the effect of physical therapy and related factors on cognitive function in stroke patients. Methods : Questionnaires were completed by 36 stroke patients at physical therapy room in Dongeui Medical Center from September 1999 to September 2000. The Mini-Mental State Examination-Korea(MMSR-K) was used to assess the differences for cognitive function in patients who had suffered a stroke. Results: There were severe $16.7\%$, mild $16.6\%$, and normal $66.7\%$ in distributions for cognitive function. respectively. In the difference of cognitive function score for at initial, 25.64 for smokers had significantly higher than 20.36 for nonsmokers(p<0.05). Also, 26.21 for smokers had higher than 21.27 for nonsmokers alter a month(p<0.05). However, no significant difference existed in comparison at initial with after a month. 25.0 for patients without coma was higher than 9.50 for with(p<0.05), 25.80 for patients without was also higher than 10.16 for with in after a month. There were no statistically significant variables related to difference for cognitive performance in multiple regression analysis. conclusions: Results indicated that smoker and patients without coma at onset had high cognitive functions.

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A Study on De Navigation Tools for Electronic Documents Based on Cognitive Process (인지과정을 고려한 전자문헌의 내비게이션 도구에 관한 고찰)

  • Lee, Byeong-Ki
    • Journal of Information Management
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    • v.30 no.1
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    • pp.48-67
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    • 1999
  • In an advanced computer and information network technologies, users are rapidly approaching environment in which information will be created, delivered, managed and stored, using vastly different methods to traditional pap r based systems. Information seeking behavior contains not only physical access, but also cognitive process in which reading, viewing, analyzing, reasoning etc. The most Important factor determining the usability of electronic documents is cognitive process. But, currently Navigation tools for using electronic documents depend on physical searching without considering cognitive process. Therefore, this study examined feasibility of using overal cognitive process in developing navigation tools. Six cognitive process style have been analyzed to find common skill of information seeking process. Also this study suggests skills that needs to introduce to functions of navigation tool, such as searching, filtering, visualization, traversal, content structure.

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Dual-Task Training Effect on Cognitive and Body Function, β-amyloid Levels in Alzheimer's Dementia Patients: A Randomized Controlled Trial

  • Nam, Seung-Min;Kim, Seong-gil
    • The Journal of Korean Physical Therapy
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    • v.33 no.3
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    • pp.136-141
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    • 2021
  • Purpose: Dementia is a disease in which cognitive function declines, leading to deterioration of body functions and activities of daily living. The purpose of this study is to explore the effects of dual-task training, including cognitive tasks, on cognitive and body function and β-amyloid levels in Alzheimer's dementia patients. Methods: 34 inpatients diagnosed with Alzheimer's dementia at a nursing hospital located in South Korea. The patients were randomly divided into a dual-task group (n=16) and a single-task group (n=18). Each group was trained for 30 minutes three times a week for eight weeks. The MMSE-K was used to measure the patients' cognitive function. To assess the patients' static balance ability, their LOS was measured using BioRescue. while dynamic balance was measured using the BBS. The 10MWT were conducted to evaluate the patients' walking ability. Blood analysis was performed to measure levels of β-amyloid. Results: Both groups exhibited statistically significant improvements in gait function after the training (p<0.05). The dual-task group exhibited statistically significant differences in cognitive function, static and dynamic balance function, and β-amyloid levels after training (p<0.05). A significant difference was observed between the two groups (p<0.05). Conclusion: Dual-task training were found to be effective in improving cognitive and bodily functioning and reducing β-amyloid levels in Alzheimer's dementia patients. Thus, this may be suggested as an effective exercise method for the treatment and early prevention of Alzheimer's dementia.

A study on the management of the cognitive health design pilot projects applied to residential areas (주거지에 적용된 인지건강디자인 시범사업의 유지관리 실태 연구)

  • Kim, Hyunju;Lee, Seungji
    • Journal of The Korea Institute of Healthcare Architecture
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    • v.27 no.4
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    • pp.41-50
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    • 2021
  • Purpose: This study is aimed at the case of the cognitive health design pilot projects promoted by the Seoul Metropolitan Government since 2014 in terms of design to solve social problems in accordance with the aging population of our society. The purpose of this study is to analyze the maintenance and management of the projects and to suggest implications for the promotion and expansion of sustainable cognitive health design in the future. Method: It set the analysis frame by dividing management into maintenance-damage-demolition for the spatial types and spatial elements suggested in the Seoul Cognitive Health Guidelines. And it analyze the actual conditions of four pilot projects based on the field survey. Results: First, the ratio of damage and demolition was higher than maintenance. Second, designs and techniques with low durability were applied. Most of the cases where floor marks were applied to the external environment were lost or difficult to recognize, and their functions were limited due to storage of goods and parking of vehicles and motorcycles. Third, there was a large variation according to the type of residence. The project contents that can be applied to the low-rise residential area were also limited, and more elements were demolished than in the apartment type. Implications: First, it should limit project contents of space types and space elements that can be maintained even over time. Second, it should seek sustainable design and technical solutions. Third, it should seek alternatives to cognitive health design in low-rise residential areas where a large number of elderly people live.

The Effects of a Cognitive Stimulation Activity Program on the Mild Cognitive Impairment Elderly's Cognitive Function, Self-Efficacy, and Depression (인지자극 활동프로그램이 경도인지장애 노인의 인지기능, 자기효능감, 우울에 미치는 영향)

  • Bang, Ju-Hee;Bang, Yo-Soon;Son, Bo-Young;Oh, Eun-Ju
    • Journal of Korea Entertainment Industry Association
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    • v.13 no.3
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    • pp.231-248
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    • 2019
  • The purpose of this study was to implement a cognitive stimulation activity program and examine its effects elderly people who is capable of daily life and community activities but suffering from per sistent cognitive decline on the elderly's cognitive function, self-efficacy, and depression. The purpose of this study was to help elderly people who is capable of daily life and community activities but suffering from persistent cognitive decline improve their ability to perform and adapt to activity-based tasks incorporating a variety of actions of different subdomains and difficulty levels, ac cording to their characteristics and cognitive levels. The aim of the program created was to systemati cally improve the subdomains of cognitive functions and eventually preventing these conditions develo ping into dementia in those affected. This study also enabled the subjects to improve their self-effica cy through newly gained positive perceptions and attitudes toward their own abilities by successfully expressing their experience or thoughts about circumstantially and relationally meaningful events and memories, and performing activities that promote sensory stimulations. The group activities conducted as part of the study helped the subjects reduce their symptoms of depression not only by expressing their thoughts and emotions, but also by encouraging empathy with, understanding of, and caring for others. Given that this study confirmed the potential of the cognitive stimulation program designed fo r it as a clinical intervention for elderly people with cognitive impairment, it is suggested as a useful preventive program for early stage dementia.

An Analysis of 2nd Grade Students' Interaction in the Classification Activities of LTTS Program (LTTS 분류 활동에서 나타난 초등학교 2학년 학생들의 상호 작용 분석)

  • Kim, Sun-Ja;Shin, Jae-Sop;Park, Jong-Wook
    • Journal of Korean Elementary Science Education
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    • v.26 no.4
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    • pp.395-406
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    • 2007
  • The purpose of this study was to investigate the characteristics of 2nd grade students' interaction in the classification activities of LTTS. For the purposes of this study, three heterogeneous groups, chosen by cognitive level, were selected. The students' interactions were audio/video taped and classified as either cognitive or affective interaction. The results of this study are as follows. In the cognitive interactions, the frequency and quality of the functions of 'questions' and 'making suggestions' were higher than those of 'Responses' and 'Receiving opinions'. In the affective interactions, the frequency of 'induction' and 'dissatisfaction' was higher than that of the other types. The frequency and quality of interactions of students in both the early and mid concrete stage were higher than those of students in the transitional stage. Qualitatively higher-level interactions such as 'making suggestions' and positive interactions such as 'induction' to induce students who were passive in activities were made by the students at higher cognitive levels. However, the low-level of interaction in suggesting their opinion to the constituent's suggestion and 'dissatisfaction' with student in transition period who were passive in activity influenced group working negatively.

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