메뉴 건너뛰기




Volumn 18, Issue 2, 2004, Pages 57-64

Exercise level and cognitive decline: The MoVIES project

Author keywords

Cognitive status; Epidemiology; Exercise

Indexed keywords

AEROBIC METABOLISM; AGE; AGED; ARTICLE; CLINICAL TRIAL; COGNITION; COGNITIVE DEFECT; COHORT ANALYSIS; CONTROLLED CLINICAL TRIAL; CONTROLLED STUDY; DETERIORATION; EVIDENCE BASED MEDICINE; EXERCISE; FEMALE; FOLLOW UP; HUMAN; MAJOR CLINICAL STUDY; MALE; MEDICAL ASSESSMENT; MENTAL HEALTH; NEUROPROTECTION; PRACTICE GUIDELINE; PRIORITY JOURNAL; PROPHYLAXIS; PROSPECTIVE STUDY; PSYCHOLOGIC TEST; REGRESSION ANALYSIS; RURAL POPULATION; SELF REPORT;

EID: 2942590195     PISSN: 08930341     EISSN: None     Source Type: Journal    
DOI: 10.1097/01.wad.0000126614.87955.79     Document Type: Article
Times cited : (170)

References (56)
  • 1
    • 0032506959 scopus 로고    scopus 로고
    • Relationship of leisure-time physical activity and mortality: The Finnish twin cohort
    • Kujala UM, Kaprio J, Sarna S, et al. Relationship of leisure-time physical activity and mortality: the Finnish twin cohort. JAMA. 1998;279:440-444.
    • (1998) JAMA , vol.279 , pp. 440-444
    • Kujala, U.M.1    Kaprio, J.2    Sarna, S.3
  • 2
    • 0018071552 scopus 로고
    • Cardiovascular disease and changes in intellectual functioning from middle to old age
    • Hertzog C, Schaie KW, Gribbin K. Cardiovascular disease and changes in intellectual functioning from middle to old age. J Gerontol. 1978;33:872-873.
    • (1978) J Gerontol , vol.33 , pp. 872-873
    • Hertzog, C.1    Schaie, K.W.2    Gribbin, K.3
  • 3
    • 0022518344 scopus 로고
    • Word familiarity and cardiovascular health as determinants of age-related recall differences
    • Barrett TR, Watkins SK. Word familiarity and cardiovascular health as determinants of age-related recall differences. J Gerontol. 1986;41:222-224.
    • (1986) J Gerontol , vol.41 , pp. 222-224
    • Barrett, T.R.1    Watkins, S.K.2
  • 4
    • 0026602687 scopus 로고
    • The impact of pacemaker implantation on cognitive functioning in elderly patients
    • Rockwood K, Dobbs AR, Rule BG, et al. The impact of pacemaker implantation on cognitive functioning in elderly patients. J Am Geriatr Soc. 1992;40:142-146.
    • (1992) J Am Geriatr Soc , vol.40 , pp. 142-146
    • Rockwood, K.1    Dobbs, A.R.2    Rule, B.G.3
  • 5
    • 0141469033 scopus 로고    scopus 로고
    • Adverse cerebral outcomes after coronary bypass surgery: Multicenter Study of Perioperative Ischemia Research Group and the Ischemia Research and Education Foundation Investigators
    • Roach GW, Kanchuger M, Mangano CM, et al. Adverse cerebral outcomes after coronary bypass surgery: Multicenter Study of Perioperative Ischemia Research Group and the Ischemia Research and Education Foundation Investigators. N Engl J Med. 1996;335:1857-1863.
    • (1996) N Engl J Med , vol.335 , pp. 1857-1863
    • Roach, G.W.1    Kanchuger, M.2    Mangano, C.M.3
  • 6
    • 2942539163 scopus 로고    scopus 로고
    • Cognitive functioning among patients in cardiopulmonary rehabilitation
    • Emery CF. Cognitive functioning among patients in cardiopulmonary rehabilitation. J Cardiopulm Rehabil. 1997;22:40-46.
    • (1997) J Cardiopulm Rehabil , vol.22 , pp. 40-46
    • Emery, C.F.1
  • 7
    • 0033919541 scopus 로고    scopus 로고
    • Memory impairment in out-of-hospital cardiac arrest survivors is associated with global reduction in brain volume, not focal hippocampal injury
    • Grubb NR, Fox KA, Smith K, et al. Memory impairment in out-of-hospital cardiac arrest survivors is associated with global reduction in brain volume, not focal hippocampal injury. Stroke. 2000;31:1509-1514.
    • (2000) Stroke , vol.31 , pp. 1509-1514
    • Grubb, N.R.1    Fox, K.A.2    Smith, K.3
  • 8
    • 0034629027 scopus 로고    scopus 로고
    • Cardiac pacemaker therapy for optimizing brain circulation: A possible prevention for cerebrovascular diseases?
    • Hagendorff A, Dettmers C, Jung W, et al. Cardiac pacemaker therapy for optimizing brain circulation: a possible prevention for cerebrovascular diseases? Dtsch Med Wochenschr. 2000;125:286-289.
    • (2000) Dtsch Med Wochenschr , vol.125 , pp. 286-289
    • Hagendorff, A.1    Dettmers, C.2    Jung, W.3
  • 9
    • 0034901204 scopus 로고    scopus 로고
    • The mind of a failing heart: A systematic review of the association between congestive heart failure and cognitive functioning
    • Almeida OP, Flicker L. The mind of a failing heart: a systematic review of the association between congestive heart failure and cognitive functioning. Intern Med J. 2001;31:290-295.
    • (2001) Intern Med J , vol.31 , pp. 290-295
    • Almeida, O.P.1    Flicker, L.2
  • 10
    • 0023787325 scopus 로고
    • One-month prevalence of mental disorders in the United States: Based on five Epidemiologic Catchment Area sites
    • Regier DA, Boyd JH, Burke JD Jr, et al. One-month prevalence of mental disorders in the United States: based on five Epidemiologic Catchment Area sites. Arch Gen Psychiatry. 1988;45:977-986.
    • (1988) Arch Gen Psychiatry , vol.45 , pp. 977-986
    • Regier, D.A.1    Boyd, J.H.2    Burke Jr., J.D.3
  • 11
    • 0021954350 scopus 로고
    • Psychiatric disorders (DSM-III) and cognitive impairment among the elderly in a U.S. urban community
    • Weissman MM, Myers JK, Tischler GL, et al. Psychiatric disorders (DSM-III) and cognitive impairment among the elderly in a U.S. urban community. Acta Psychiatr Scand. 1985;71:366-379.
    • (1985) Acta Psychiatr Scand , vol.71 , pp. 366-379
    • Weissman, M.M.1    Myers, J.K.2    Tischler, G.L.3
  • 12
    • 0035856420 scopus 로고    scopus 로고
    • Prevalence of cognitive impairment: Data from the Indianapolis Study of Health and Aging
    • Unverzagt FW, Gao S, Baiyewu O, et al. Prevalence of cognitive impairment: data from the Indianapolis Study of Health and Aging. Neurology. 2001;57:1655-1662.
    • (2001) Neurology , vol.57 , pp. 1655-1662
    • Unverzagt, F.W.1    Gao, S.2    Baiyewu, O.3
  • 13
    • 0343329765 scopus 로고    scopus 로고
    • Physical exercise induces FGF-2 and its mRNA in the hippocampus
    • Gomez-Pinilla F. Physical exercise induces FGF-2 and its mRNA in the hippocampus. Brain Res. 1997;764:1-8.
    • (1997) Brain Res , vol.764 , pp. 1-8
    • Gomez-Pinilla, F.1
  • 14
    • 0031714373 scopus 로고    scopus 로고
    • Physical activity and stroke incidence: The Harvard Alumni Health study
    • Lee IM, Paffenbarger RS Jr. Physical activity and stroke incidence: the Harvard Alumni Health Study. Stroke. 1998;29:2049-2054.
    • (1998) Stroke , vol.29 , pp. 2049-2054
    • Lee, I.M.1    Paffenbarger Jr., R.S.2
  • 15
    • 0035118222 scopus 로고    scopus 로고
    • Physical activity in the prevention of cardiovascular disease: An epidemiological perspective
    • Wannamethee SG, Shaper AG. Physical activity in the prevention of cardiovascular disease: an epidemiological perspective. Sports Med. 2001; 31:101-114.
    • (2001) Sports Med , vol.31 , pp. 101-114
    • Wannamethee, S.G.1    Shaper, A.G.2
  • 16
    • 0025091981 scopus 로고
    • After reaching retirement age physical activity sustains cerebral perfusion and cognition
    • Rogers RL, Meyer JS, Mortel KF. After reaching retirement age physical activity sustains cerebral perfusion and cognition. J Am Geriatr Soc. 1990;38:123-128.
    • (1990) J Am Geriatr Soc , vol.38 , pp. 123-128
    • Rogers, R.L.1    Meyer, J.S.2    Mortel, K.F.3
  • 17
    • 2942630183 scopus 로고    scopus 로고
    • Predictors of cognitive functioning in COPD patients
    • Etnier JL. Predictors of cognitive functioning in COPD patients. Med Sci Sports Exerc. 1998;30:333.
    • (1998) Med Sci Sports Exerc , vol.30 , pp. 333
    • Etnier, J.L.1
  • 18
    • 0032718487 scopus 로고    scopus 로고
    • The relationships among pulmonary function, aerobic fitness, and cognitive functioning in older COPD patients
    • Etnier J, Johnston R, Dagenbach D, et al. The relationships among pulmonary function, aerobic fitness, and cognitive functioning in older COPD patients. Chest. 1999;116:953-960.
    • (1999) Chest , vol.116 , pp. 953-960
    • Etnier, J.1    Johnston, R.2    Dagenbach, D.3
  • 19
    • 0024726806 scopus 로고
    • Improving aerobic capacity in healthy older adults does not necessarily lead to improved cognitive performance
    • Madden DJ, Blumenthal JA, Allen PA, et al. Improving aerobic capacity in healthy older adults does not necessarily lead to improved cognitive performance. Psychol Aging. 1989;4:307-320.
    • (1989) Psychol Aging , vol.4 , pp. 307-320
    • Madden, D.J.1    Blumenthal, J.A.2    Allen, P.A.3
  • 20
    • 0030000243 scopus 로고    scopus 로고
    • Variables associated with cognitive function in elderly California Seventh-day Adventists
    • Fraser GE, Singh PN, Bennett H. Variables associated with cognitive function in elderly California Seventh-day Adventists. Am J Epidemiol. 1996;143:1181-1190.
    • (1996) Am J Epidemiol , vol.143 , pp. 1181-1190
    • Fraser, G.E.1    Singh, P.N.2    Bennett, H.3
  • 21
    • 0035107265 scopus 로고    scopus 로고
    • Physical activity and risk of cognitive impairment and dementia in elderly persons
    • Laurin D. Physical activity and risk of cognitive impairment and dementia in elderly persons. Arch Neurol. 2001;58:498-504.
    • (2001) Arch Neurol , vol.58 , pp. 498-504
    • Laurin, D.1
  • 22
    • 0034922575 scopus 로고    scopus 로고
    • A prospective study of physical activity and cognitive decline in elderly women: Women who walk
    • Yaffe K, Barnes D, Nevitt M, et al. A prospective study of physical activity and cognitive decline in elderly women: women who walk. Arch Intern Med. 2001;161:1703-1708.
    • (2001) Arch Intern Med , vol.161 , pp. 1703-1708
    • Yaffe, K.1    Barnes, D.2    Nevitt, M.3
  • 23
    • 0016823810 scopus 로고
    • Mini-mental state: A practical method for grading the cognitive state of patients for the clinician
    • Folstein MF, Folstein SE, McHugh PR. Mini-mental state: a practical method for grading the cognitive state of patients for the clinician. J Psychiatr Res. 1975;12:189-198.
    • (1975) J Psychiatr Res , vol.12 , pp. 189-198
    • Folstein, M.F.1    Folstein, S.E.2    McHugh, P.R.3
  • 25
    • 0027369374 scopus 로고
    • Cognitive impairment and the use of health services in an elderly rural population: The MoVIES project
    • Ganguli M, Seaberg E, Belle S, et al. Cognitive impairment and the use of health services in an elderly rural population: the MoVIES project. J Am Geriatr Soc. 1993;41:1065-1070.
    • (1993) J Am Geriatr Soc , vol.41 , pp. 1065-1070
    • Ganguli, M.1    Seaberg, E.2    Belle, S.3
  • 26
    • 0034646205 scopus 로고    scopus 로고
    • Ten-year incidence of dementia in a rural elderly US community population: The MoVIES project
    • Ganguli M, Dodge HH, Chen P, et al. Ten-year incidence of dementia in a rural elderly US community population: the MoVIES Project. Neurology. 2000;54:1109-1116.
    • (2000) Neurology , vol.54 , pp. 1109-1116
    • Ganguli, M.1    Dodge, H.H.2    Chen, P.3
  • 27
    • 0026081360 scopus 로고
    • Effects of age, gender, and education on cognitive tests in a rural elderly community sample: Norms from the Monongahela Valley Independent Elders survey
    • Ganguli M, Ratcliff G, Huff FJ, et al. Effects of age, gender, and education on cognitive tests in a rural elderly community sample: norms from the Monongahela Valley Independent Elders Survey. Neuroepidemiology. 1991;10:42-52.
    • (1991) Neuroepidemiology , vol.10 , pp. 42-52
    • Ganguli, M.1    Ratcliff, G.2    Huff, F.J.3
  • 28
    • 0025305719 scopus 로고
    • Position stand: The recommended quantity and quality of exercise for developing and maintaining cardiorespiratory and muscular fitness in healthy adults
    • American College of Sports Medicine. Position stand: the recommended quantity and quality of exercise for developing and maintaining cardiorespiratory and muscular fitness in healthy adults. Med Sci Sports Exerc. 1990;22:265-274.
    • (1990) Med Sci Sports Exerc , vol.22 , pp. 265-274
  • 29
    • 0028814439 scopus 로고
    • Physical activity and public health: A recommendation from the Centers for Disease Control and Prevention and the American College of Sports Medicine
    • Pate RR, Pratt M, Blair SN, et al. Physical activity and public health: a recommendation from the Centers for Disease Control and Prevention and the American College of Sports Medicine. JAMA. 1995;273:402-407.
    • (1995) JAMA , vol.273 , pp. 402-407
    • Pate, R.R.1    Pratt, M.2    Blair, S.N.3
  • 30
    • 0004324213 scopus 로고    scopus 로고
    • Statement on exercise. Benefits and recommendations for physical activity programs for all Americans: A statement for health professionals by the committee on exercise and cardiac rehabilitation of the Council on Clinical Cardiology
    • American Heart Association
    • Fletcher GF, Balady G, Blair SN, et al. Statement on exercise. Benefits and recommendations for physical activity programs for all Americans: a statement for health professionals by the committee on exercise and cardiac rehabilitation of the Council on Clinical Cardiology. American Heart Association. Circulation. 1996;94:857-862.
    • (1996) Circulation , vol.94 , pp. 857-862
    • Fletcher, G.F.1    Balady, G.2    Blair, S.N.3
  • 31
    • 0034842788 scopus 로고    scopus 로고
    • Exercise prescription for the elderly: Current recommendations
    • Mazzeo RS, Tanaka H. Exercise prescription for the elderly: current recommendations. Sports Med. 2001;31:809-818.
    • (2001) Sports Med , vol.31 , pp. 809-818
    • Mazzeo, R.S.1    Tanaka, H.2
  • 32
    • 0003772710 scopus 로고    scopus 로고
    • Washington, DC: DHHS
    • U.S. Department of Health and Human Services, Centers for Disease Control and Prevention, National Center for Chronic Disease Prevention and Health Promotion. Physical Activity and Health: A Report of the Surgeon General. Washington, DC: DHHS, 1996.
    • (1996) Physical Activity and Health: A Report of the Surgeon General
  • 33
    • 0037341835 scopus 로고    scopus 로고
    • Effectiveness of a group exercise program in a long-term care facility: A randomized pilot trial
    • Baum EE, Jarjoura D, Polen AE, et al. Effectiveness of a group exercise program in a long-term care facility: a randomized pilot trial. J Am Med Directors Assoc. 2003;4:74-80.
    • (2003) J Am Med Directors Assoc , vol.4 , pp. 74-80
    • Baum, E.E.1    Jarjoura, D.2    Polen, A.E.3
  • 34
    • 0033614960 scopus 로고    scopus 로고
    • Ageing, fitness and neurocognitive function
    • Kramer AF, Hahn S, Cohen NJ, et al. Ageing, fitness and neurocognitive function. Nature. 1999;400;418-419.
    • (1999) Nature , vol.400 , pp. 418-419
    • Kramer, A.F.1    Hahn, S.2    Cohen, N.J.3
  • 35
    • 0028882039 scopus 로고
    • Self-ratings of health: Do they also predict change in functional ability?
    • Idler EL, Kasl SV. Self-ratings of health: do they also predict change in functional ability? J Gerontol B Psychol Sci Soc Sci. 1995;50(suppl):344-353.
    • (1995) J Gerontol B Psychol Sci Soc Sci , vol.50 , Issue.SUPPL. , pp. 344-353
    • Idler, E.L.1    Kasl, S.V.2
  • 37
    • 0030872782 scopus 로고    scopus 로고
    • The relationship between self-rated health and depressive symptoms in an epidemiological sample of community-dwelling older adults
    • Mulsant BH, Ganguli M, Seaberg EC. The relationship between self-rated health and depressive symptoms in an epidemiological sample of community-dwelling older adults. J Am Geriatr Soc. 1997;45:954-958.
    • (1997) J Am Geriatr Soc , vol.45 , pp. 954-958
    • Mulsant, B.H.1    Ganguli, M.2    Seaberg, E.C.3
  • 38
    • 0032905210 scopus 로고    scopus 로고
    • Self-reported health status and mortality in a multiethnic US cohort
    • McGee DL, Liao Y, Cao G, et al. Self-reported health status and mortality in a multiethnic US cohort. Am J Epidemiol. 1999;149:41-46.
    • (1999) Am J Epidemiol , vol.149 , pp. 41-46
    • McGee, D.L.1    Liao, Y.2    Cao, G.3
  • 39
    • 0034775724 scopus 로고    scopus 로고
    • Self rated health: Is it as good a predictor of subsequent mortality among adults in lower as well as in higher social classes?
    • Burström B, Fredlund P. Self rated health: is it as good a predictor of subsequent mortality among adults in lower as well as in higher social classes? J Epidemiol Community Health. 2001;55:836-840.
    • (2001) J Epidemiol Community Health , vol.55 , pp. 836-840
    • Burström, B.1    Fredlund, P.2
  • 41
    • 0021798918 scopus 로고
    • Physical activity, exercise, and physical fitness: Definitions and distinctions for health-related research
    • Caspersen CJ, Powell KE, Christenson GM. Physical activity, exercise, and physical fitness: definitions and distinctions for health-related research. Public Health Rep. 1985;100:126-131.
    • (1985) Public Health Rep , vol.100 , pp. 126-131
    • Caspersen, C.J.1    Powell, K.E.2    Christenson, G.M.3
  • 42
    • 0345669746 scopus 로고    scopus 로고
    • A longitudinal study of cardiorespiratory fitness and cognitive function in healthy older adults
    • Barnes DE, Yaffe K, Satariano WA, et al. A longitudinal study of cardiorespiratory fitness and cognitive function in healthy older adults. J Am Geriatr Soc. 2003;51:459-465.
    • (2003) J Am Geriatr Soc , vol.51 , pp. 459-465
    • Barnes, D.E.1    Yaffe, K.2    Satariano, W.A.3
  • 43
    • 0037060077 scopus 로고    scopus 로고
    • Physical activity and cognitive decline in elderly persons
    • Pignatti F, Rozzini R, Trabucchi M. Physical activity and cognitive decline in elderly persons. Arch Intern Med. 2002;162:361-362.
    • (2002) Arch Intern Med , vol.162 , pp. 361-362
    • Pignatti, F.1    Rozzini, R.2    Trabucchi, M.3
  • 44
    • 0029552535 scopus 로고
    • Predictors of cognitive change in older persons: MacArthur studies of successful aging
    • Albert MS, Jones K, Savage CR, et al. Predictors of cognitive change in older persons: MacArthur studies of successful aging. Psychol Aging. 1995;10:578-589.
    • (1995) Psychol Aging , vol.10 , pp. 578-589
    • Albert, M.S.1    Jones, K.2    Savage, C.R.3
  • 45
    • 0031737148 scopus 로고    scopus 로고
    • Health habits and risk of cognitive impairment and dementia in old age: A prospective study on the effect of exercise, smoking and alcohol consumption
    • Broe GA, Creasey H, Jorm AF, et al. Health habits and risk of cognitive impairment and dementia in old age: a prospective study on the effect of exercise, smoking and alcohol consumption. Aust N Z J Public Health. 1998;22:621-623.
    • (1998) Aust N Z J Public Health , vol.22 , pp. 621-623
    • Broe, G.A.1    Creasey, H.2    Jorm, A.F.3
  • 46
    • 0038130715 scopus 로고    scopus 로고
    • Leisure activities and the risk of dementia in the elderly
    • Verghese J, Lipton RB, Katz MJ, et al. Leisure activities and the risk of dementia in the elderly. N Engl J Med. 2003;348:2508-2516.
    • (2003) N Engl J Med , vol.348 , pp. 2508-2516
    • Verghese, J.1    Lipton, R.B.2    Katz, M.J.3
  • 47
    • 0029012763 scopus 로고
    • Incidence and risk factors of vascular dementia and Alzheimer's disease in a defined elderly Japanese population: The Hisayama study
    • Yoshitake T, Kiyohara Y, Kato I, et al. Incidence and risk factors of vascular dementia and Alzheimer's disease in a defined elderly Japanese population: the Hisayama study. Neurology. 1995;45:1161-1168.
    • (1995) Neurology , vol.45 , pp. 1161-1168
    • Yoshitake, T.1    Kiyohara, Y.2    Kato, I.3
  • 48
    • 0026057722 scopus 로고
    • A three-year follow-up study of age-related dementia in an urban area of Beijing
    • Li G, Shen YC, Chen CH, et al. A three-year follow-up study of age-related dementia in an urban area of Beijing. Acta Psychiatr Scand. 1991; 83:99-104.
    • (1991) Acta Psychiatr Scand , vol.83 , pp. 99-104
    • Li, G.1    Shen, Y.C.2    Chen, C.H.3
  • 49
    • 0038050784 scopus 로고    scopus 로고
    • Fitness effects on the cognitive function of older adults: A meta-analytic study
    • Colcombe S, Kramer AF. Fitness effects on the cognitive function of older adults: a meta-analytic study. Psychol Sci. 2003;14:125-130.
    • (2003) Psychol Sci , vol.14 , pp. 125-130
    • Colcombe, S.1    Kramer, A.F.2
  • 52
    • 0030009749 scopus 로고    scopus 로고
    • A multisite field test of the acceptability of physical activity counseling in primary care: Project PACE
    • Long BJ, Calfas KJ, Wooten W, et al. A multisite field test of the acceptability of physical activity counseling in primary care: project PACE. Am J Prev Med. 1996;12:73-81.
    • (1996) Am J Prev Med , vol.12 , pp. 73-81
    • Long, B.J.1    Calfas, K.J.2    Wooten, W.3
  • 53
    • 0037031279 scopus 로고    scopus 로고
    • Behavioral counseling in primary care to promote physical activity: Recommendation and rationale
    • U.S. Preventive Services Task Force. Behavioral counseling in primary care to promote physical activity: recommendation and rationale. Ann Intern Med. 2002;137:205-207.
    • (2002) Ann Intern Med , vol.137 , pp. 205-207
  • 54
    • 0036225335 scopus 로고    scopus 로고
    • Physical activity counseling in primary care
    • Hart LE. Physical activity counseling in primary care. Clin J Sport Med. 2002;12:132-133.
    • (2002) Clin J Sport Med , vol.12 , pp. 132-133
    • Hart, L.E.1
  • 55
    • 0034760496 scopus 로고    scopus 로고
    • Telephone versus mail interventions for maintenance of physical activity in older adults
    • Castro CM, King AC, Brassington GS. Telephone versus mail interventions for maintenance of physical activity in older adults. Health Psychol. 2001;20:438-444.
    • (2001) Health Psychol , vol.20 , pp. 438-444
    • Castro, C.M.1    King, A.C.2    Brassington, G.S.3
  • 56
    • 0035704761 scopus 로고    scopus 로고
    • Development of an exercise expert system for older adults
    • Boyette LW, Lloyd A, Manuel S, et al. Development of an exercise expert system for older adults. J Rehabil Res Dev. 2001;38:79-91.
    • (2001) J Rehabil Res Dev , vol.38 , pp. 79-91
    • Boyette, L.W.1    Lloyd, A.2    Manuel, S.3


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.