메뉴 건너뛰기




Volumn 7, Issue 4, 2012, Pages

High visual working memory capacity in trait social anxiety

Author keywords

[No Author keywords available]

Indexed keywords

ADULT; ANXIETY; ARTICLE; CONTROLLED STUDY; CORRELATION ANALYSIS; FEMALE; HUMAN; HUMAN EXPERIMENT; MALE; NORMAL HUMAN; QUESTIONNAIRE; STATE ANXIETY; STIMULUS RESPONSE; TASK PERFORMANCE; TRAIT SOCIAL ANXIETY; VISUAL WORKING MEMORY CAPACITY; WORKING MEMORY; ADOLESCENT; ATTENTION; COGNITION; INDIVIDUALITY; NEUROPSYCHOLOGICAL TEST; PATHOPHYSIOLOGY; PHYSIOLOGY; PSYCHOLOGICAL ASPECT; REACTION TIME; SHORT TERM MEMORY; SOCIAL ENVIRONMENT;

EID: 84859492731     PISSN: None     EISSN: 19326203     Source Type: Journal    
DOI: 10.1371/journal.pone.0034244     Document Type: Article
Times cited : (56)

References (60)
  • 1
    • 1642355176 scopus 로고    scopus 로고
    • The capacity of visual short-term memory is set both by visual information load and by number of objects
    • Alvarez GA, Cavanagh P, (2004) The capacity of visual short-term memory is set both by visual information load and by number of objects. Psychol Sci 15: 106-111.
    • (2004) Psychol Sci , vol.15 , pp. 106-111
    • Alvarez, G.A.1    Cavanagh, P.2
  • 2
    • 34547297410 scopus 로고    scopus 로고
    • Visual working memory represents a fixed number of items regardless of complexity
    • Awh E, Barton B, Vogel EK, (2007) Visual working memory represents a fixed number of items regardless of complexity. Psychol Sci 18: 622-628.
    • (2007) Psychol Sci , vol.18 , pp. 622-628
    • Awh, E.1    Barton, B.2    Vogel, E.K.3
  • 3
    • 0030778788 scopus 로고    scopus 로고
    • The capacity of visual working memory for features and conjunctions
    • Luck SJ, Vogel EK, (1997) The capacity of visual working memory for features and conjunctions. Nature 390: 279-281.
    • (1997) Nature , vol.390 , pp. 279-281
    • Luck, S.J.1    Vogel, E.K.2
  • 4
    • 32944462533 scopus 로고    scopus 로고
    • Posterior parietal cortex activity predicts individuals differences in visual short-term memory capacity
    • Todd JJ, Marois R, (2005) Posterior parietal cortex activity predicts individuals differences in visual short-term memory capacity. Cogn Affec Behav Ne 5: 144-155.
    • (2005) Cogn Affec Behav Ne , vol.5 , pp. 144-155
    • Todd, J.J.1    Marois, R.2
  • 5
    • 33644771101 scopus 로고    scopus 로고
    • Dissociable neural mechanisms supporting visual short-term memory for objects
    • Xu Y, Chun MM, (2006) Dissociable neural mechanisms supporting visual short-term memory for objects. Nature 440: 91-95.
    • (2006) Nature , vol.440 , pp. 91-95
    • Xu, Y.1    Chun, M.M.2
  • 6
    • 43449112061 scopus 로고    scopus 로고
    • Discrete fixed-resolution representations in visual working memory
    • Zhang W, Luck SJ, (2008) Discrete fixed-resolution representations in visual working memory. Nature 453: 233-235.
    • (2008) Nature , vol.453 , pp. 233-235
    • Zhang, W.1    Luck, S.J.2
  • 7
    • 37549003586 scopus 로고    scopus 로고
    • Prefrontal cortex and basal ganglia control access to working memory
    • McNab F, Klingberg T, (2008) Prefrontal cortex and basal ganglia control access to working memory. Nature Neurosci 11: 103-107.
    • (2008) Nature Neurosci , vol.11 , pp. 103-107
    • McNab, F.1    Klingberg, T.2
  • 8
    • 1942455789 scopus 로고    scopus 로고
    • Neural activity predicts individual differences in visual working memory capacity
    • Vogel EK, Machizawa MG, (2004) Neural activity predicts individual differences in visual working memory capacity. Nature 428: 748-751.
    • (2004) Nature , vol.428 , pp. 748-751
    • Vogel, E.K.1    Machizawa, M.G.2
  • 9
    • 28544443479 scopus 로고    scopus 로고
    • Neural measures reveal individual differences in controlling access to working memory
    • Vogel EK, McCollough AW, Machizawa MG, (2005) Neural measures reveal individual differences in controlling access to working memory. Nature 438: 500-503.
    • (2005) Nature , vol.438 , pp. 500-503
    • Vogel, E.K.1    McCollough, A.W.2    Machizawa, M.G.3
  • 10
    • 0345256449 scopus 로고    scopus 로고
    • Working memory capacity and its relation to general intelligence
    • Conway ARA, Kane MJ, Engle RW, (2003) Working memory capacity and its relation to general intelligence. Trends Cogn Sci 7: 547-552.
    • (2003) Trends Cogn Sci , vol.7 , pp. 547-552
    • Conway, A.R.A.1    Kane, M.J.2    Engle, R.W.3
  • 11
    • 0033191404 scopus 로고    scopus 로고
    • Working memory, short-term memory, and general fluid intelligence: A latent-variable approach
    • Engle RW, Tuholski SW, Laughlin JE, Conway ARA, (1999) Working memory, short-term memory, and general fluid intelligence: A latent-variable approach. J Exp Psychol Gen 128: 309-331.
    • (1999) J Exp Psychol Gen , vol.128 , pp. 309-331
    • Engle, R.W.1    Tuholski, S.W.2    Laughlin, J.E.3    Conway, A.R.A.4
  • 12
    • 78149426263 scopus 로고    scopus 로고
    • Quantity, not quality: The relationship between fluid intelligence and working memory capacity
    • Fukuda K, Vogel E, Mayr U, Awh E, (2010) Quantity, not quality: The relationship between fluid intelligence and working memory capacity. Psychon B Rev 17: 673-679.
    • (2010) Psychon B Rev , vol.17 , pp. 673-679
    • Fukuda, K.1    Vogel, E.2    Mayr, U.3    Awh, E.4
  • 13
    • 79953305916 scopus 로고    scopus 로고
    • Individual differences in working memory moderates stereotype-threat effects
    • Régner I, Smeding A, Gimmig D, Thinus-Blanc C, Monteil JM, et al. (2010) Individual differences in working memory moderates stereotype-threat effects. Psychol Sci 21: 1646-1648.
    • (2010) Psychol Sci , vol.21 , pp. 1646-1648
    • Régner, I.1    Smeding, A.2    Gimmig, D.3    Thinus-Blanc, C.4    Monteil, J.M.5
  • 14
    • 0141483797 scopus 로고    scopus 로고
    • Converging evidence that stereotype threat reduces working memory capacity
    • Schmader T, Johns M, (2003) Converging evidence that stereotype threat reduces working memory capacity. J Pers Soc Psychol 85: 440-452.
    • (2003) J Pers Soc Psychol , vol.85 , pp. 440-452
    • Schmader, T.1    Johns, M.2
  • 15
    • 14544308785 scopus 로고    scopus 로고
    • When high-powered people fail: Working memory and "choking under pressure" in math
    • Beilock SL, Carr TH, (2005) When high-powered people fail: Working memory and "choking under pressure" in math. Psychol Sci 16: 101-105.
    • (2005) Psychol Sci , vol.16 , pp. 101-105
    • Beilock, S.L.1    Carr, T.H.2
  • 16
    • 10844249157 scopus 로고    scopus 로고
    • More on the fragility of performance: Choking under pressure in mathematical problem solving
    • Beilock SL, Kulp CA, Holt LE, Carr TH, (2004) More on the fragility of performance: Choking under pressure in mathematical problem solving. J Exp Psychol Gen 133: 584-600.
    • (2004) J Exp Psychol Gen , vol.133 , pp. 584-600
    • Beilock, S.L.1    Kulp, C.A.2    Holt, L.E.3    Carr, T.H.4
  • 17
    • 50849113802 scopus 로고    scopus 로고
    • Restriction of working memory capacity during worry
    • Hayes S, Hirsh C, Mathews A, (2008) Restriction of working memory capacity during worry. J Abnorm Psychol 117: 712-717.
    • (2008) J Abnorm Psychol , vol.117 , pp. 712-717
    • Hayes, S.1    Hirsh, C.2    Mathews, A.3
  • 18
    • 78751702567 scopus 로고    scopus 로고
    • Worry in imagery and verbal form: Effect on residual working memory capacity
    • Leigh E, Hirsch CR, (2010) Worry in imagery and verbal form: Effect on residual working memory capacity. Behav Res Ther 49: 99-105.
    • (2010) Behav Res Ther , vol.49 , pp. 99-105
    • Leigh, E.1    Hirsch, C.R.2
  • 19
    • 79956051495 scopus 로고    scopus 로고
    • Working memory capacity in generalized social phobia
    • Amir N, Bomyea J, (2011) Working memory capacity in generalized social phobia. J Abnorm Psychol 120: 504-509.
    • (2011) J Abnorm Psychol , vol.120 , pp. 504-509
    • Amir, N.1    Bomyea, J.2
  • 20
    • 78650463537 scopus 로고    scopus 로고
    • Effects of anxiety on memory storage and updating in young children
    • Visu-Petra L, Cheie L, Benga O, Alloway TP, (2011) Effects of anxiety on memory storage and updating in young children. Int J Behav Dev 35: 38-47.
    • (2011) Int J Behav Dev , vol.35 , pp. 38-47
    • Visu-Petra, L.1    Cheie, L.2    Benga, O.3    Alloway, T.P.4
  • 21
    • 33847039693 scopus 로고
    • Is working memory capacity task dependent?
    • Turner ML, Engle RW, (1989) Is working memory capacity task dependent? J Mem Lang 28: 127-154.
    • (1989) J Mem Lang , vol.28 , pp. 127-154
    • Turner, M.L.1    Engle, R.W.2
  • 22
    • 34249066682 scopus 로고    scopus 로고
    • Anxiety and cognitive performance: Attentional control theory
    • Eysenck MW, Derakshan N, Santos R, Calvo MG, (2007) Anxiety and cognitive performance: Attentional control theory. Emotion 7: 336-353.
    • (2007) Emotion , vol.7 , pp. 336-353
    • Eysenck, M.W.1    Derakshan, N.2    Santos, R.3    Calvo, M.G.4
  • 23
    • 58149127190 scopus 로고    scopus 로고
    • Trait anxiety and impoverished prefrontal control of attention
    • Bishop SJ, (2009) Trait anxiety and impoverished prefrontal control of attention. Nature Neurosci 12: 92-98.
    • (2009) Nature Neurosci , vol.12 , pp. 92-98
    • Bishop, S.J.1
  • 24
    • 78649700475 scopus 로고    scopus 로고
    • Attentional resources in social anxiety and the effects of perceptual load
    • Moriya J, Tanno Y, (2010) Attentional resources in social anxiety and the effects of perceptual load. Cognition Emotion 24: 1329-1348.
    • (2010) Cognition Emotion , vol.24 , pp. 1329-1348
    • Moriya, J.1    Tanno, Y.2
  • 25
    • 80052904629 scopus 로고    scopus 로고
    • Processing of task-irrelevant natural scenes in social anxiety
    • Moriya J, Tanno Y, (2011) Processing of task-irrelevant natural scenes in social anxiety. Acta Psychol 138: 162-170.
    • (2011) Acta Psychol , vol.138 , pp. 162-170
    • Moriya, J.1    Tanno, Y.2
  • 26
    • 79956070870 scopus 로고    scopus 로고
    • Individual differences at high perceptual load: The relation between trait anxiety and selective attention
    • Sadeh N, Bredemeier K, (2011) Individual differences at high perceptual load: The relation between trait anxiety and selective attention. Cognition Emotion 25: 747-755.
    • (2011) Cognition Emotion , vol.25 , pp. 747-755
    • Sadeh, N.1    Bredemeier, K.2
  • 27
    • 0029314974 scopus 로고
    • Perceptual load as a necessary cognition for selective attention
    • Lavie N, (1995) Perceptual load as a necessary cognition for selective attention. J Exp Psychol Human 21: 451-468.
    • (1995) J Exp Psychol Human , vol.21 , pp. 451-468
    • Lavie, N.1
  • 28
    • 12844251426 scopus 로고    scopus 로고
    • Distracted and confused? Selective attention under load
    • Lavie N, (2005) Distracted and confused? Selective attention under load. Trends Cogn Sci 9: 75-82.
    • (2005) Trends Cogn Sci , vol.9 , pp. 75-82
    • Lavie, N.1
  • 29
    • 34547297410 scopus 로고    scopus 로고
    • Visual working memory represents a fixed number of items regardless of complexity
    • Awh E, Barton B, Vogel EK, (2007) Visual working memory represents a fixed number of items regardless of complexity. Psychol Sci 18: 622-628.
    • (2007) Psychol Sci , vol.18 , pp. 622-628
    • Awh, E.1    Barton, B.2    Vogel, E.K.3
  • 30
    • 79955819903 scopus 로고    scopus 로고
    • Visual working memory as visual attention sustained internally over time
    • Chun MM, (2011) Visual working memory as visual attention sustained internally over time. Neuropsychologia 49: 1407-1409.
    • (2011) Neuropsychologia , vol.49 , pp. 1407-1409
    • Chun, M.M.1
  • 32
    • 34250704200 scopus 로고    scopus 로고
    • Neurocognitive mechanisms of anxiety: An integrative account
    • Bishop SJ, (2007) Neurocognitive mechanisms of anxiety: An integrative account. Trends Cogn Sci 11: 307-316.
    • (2007) Trends Cogn Sci , vol.11 , pp. 307-316
    • Bishop, S.J.1
  • 33
    • 0001781428 scopus 로고
    • A cognitive model of social phobia
    • In: Heimberg RG, Liebowitz MR, Hope DA, Schneier FR, editors, New York, Guilford Press
    • Clark DM, Wells A, (1995) A cognitive model of social phobia. In: Heimberg RG, Liebowitz MR, Hope DA, Schneier FR, editors. Social phobia: Diagnosis, assessment, and treatment New York Guilford Press pp. 69-93.
    • (1995) Social Phobia: Diagnosis, Assessment, and Treatment , pp. 69-93
    • Clark, D.M.1    Wells, A.2
  • 34
    • 0030850784 scopus 로고    scopus 로고
    • A cognitive-behavioral model of anxiety in social phobia
    • Rapee RM, Heimberg RG, (1997) A cognitive-behavioral model of anxiety in social phobia. Behav Res Ther 35: 741-756.
    • (1997) Behav Res Ther , vol.35 , pp. 741-756
    • Rapee, R.M.1    Heimberg, R.G.2
  • 35
    • 0001425129 scopus 로고
    • A brief version of the Fear of Negative Evaluation Scale
    • Leary MR, (1983) A brief version of the Fear of Negative Evaluation Scale. Pers Soc Psychol B 9: 371-375.
    • (1983) Pers Soc Psychol B , vol.9 , pp. 371-375
    • Leary, M.R.1
  • 36
    • 79956118988 scopus 로고    scopus 로고
    • Who is looking at me? The cone of gaze widens in social phobia
    • Gamer M, Hecht H, Seipp N, Hiller W, (2011) Who is looking at me? The cone of gaze widens in social phobia. Cognition Emotion 25: 756-764.
    • (2011) Cognition Emotion , vol.25 , pp. 756-764
    • Gamer, M.1    Hecht, H.2    Seipp, N.3    Hiller, W.4
  • 37
    • 1242342684 scopus 로고    scopus 로고
    • Selective attention to angry faces in clinical social phobia
    • Mogg K, Philippot P, Bradley BP, (2004) Selective attention to angry faces in clinical social phobia. J Abnorm Psychol 113: 160-165.
    • (2004) J Abnorm Psychol , vol.113 , pp. 160-165
    • Mogg, K.1    Philippot, P.2    Bradley, B.P.3
  • 38
  • 39
    • 70350132797 scopus 로고    scopus 로고
    • Competition between endogenous and exogenous attention to nonemotional stimuli in social anxiety
    • Moriya J, Tanno Y, (2009) Competition between endogenous and exogenous attention to nonemotional stimuli in social anxiety. Emotion 9: 739-743.
    • (2009) Emotion , vol.9 , pp. 739-743
    • Moriya, J.1    Tanno, Y.2
  • 40
    • 77549086232 scopus 로고    scopus 로고
    • Mental imagery in emotion and emotional disorders
    • Holmes EA, Mathews A, (2010) Mental imagery in emotion and emotional disorders. Clin Psychol Rev 30: 349-362.
    • (2010) Clin Psychol Rev , vol.30 , pp. 349-362
    • Holmes, E.A.1    Mathews, A.2
  • 41
    • 0344505760 scopus 로고    scopus 로고
    • Worry, problem elaboration and suppression of imagery: the role of concreteness
    • Stöeber J, (1998) Worry, problem elaboration and suppression of imagery: the role of concreteness. Behav Res Ther 36: 751-756.
    • (1998) Behav Res Ther , vol.36 , pp. 751-756
    • Stöeber, J.1
  • 42
    • 0041394190 scopus 로고    scopus 로고
    • Reduced concreteness of worry in generalized anxiety disorder: Findings from a therapy study
    • Stöeber J, Borkovec TD, (2002) Reduced concreteness of worry in generalized anxiety disorder: Findings from a therapy study. Cognitive Ther Res 26: 89-96.
    • (2002) Cognitive Ther Res , vol.26 , pp. 89-96
    • Stöeber, J.1    Borkovec, T.D.2
  • 43
    • 84981263306 scopus 로고    scopus 로고
    • The magical number 4 in short-term memory: A reconsideration of mental storage capacity
    • Cowan N, (2001) The magical number 4 in short-term memory: A reconsideration of mental storage capacity. Behav Brain Sci 24: 87-114.
    • (2001) Behav Brain Sci , vol.24 , pp. 87-114
    • Cowan, N.1
  • 44
    • 0024098349 scopus 로고    scopus 로고
    • Familiarity and visual change detection
    • Pashler H, (1998) Familiarity and visual change detection. Percept.Psychophys 44: 369-378.
    • (1998) Percept.Psychophys , vol.44 , pp. 369-378
    • Pashler, H.1
  • 45
    • 78649713502 scopus 로고    scopus 로고
    • Components of working memory predicts symptoms of distress
    • Stout DM, Rokke PD, (2010) Components of working memory predicts symptoms of distress. Cognition Emotion 24: 1293-1303.
    • (2010) Cognition Emotion , vol.24 , pp. 1293-1303
    • Stout, D.M.1    Rokke, P.D.2
  • 46
    • 67650502729 scopus 로고    scopus 로고
    • Human variation in overriding attentional capture
    • Fukuda K, Vogel EK, (2009) Human variation in overriding attentional capture. J Neurosci 29: 8726-8733.
    • (2009) J Neurosci , vol.29 , pp. 8726-8733
    • Fukuda, K.1    Vogel, E.K.2
  • 47
    • 40649104753 scopus 로고    scopus 로고
    • Individual differences in category learning: Sometimes less working memory capacity is better than more
    • DeCaro MS, Thomas RD, Beilock SL, (2008) Individual differences in category learning: Sometimes less working memory capacity is better than more. Cognition 107: 284-294.
    • (2008) Cognition , vol.107 , pp. 284-294
    • DeCaro, M.S.1    Thomas, R.D.2    Beilock, S.L.3
  • 48
    • 34248165938 scopus 로고    scopus 로고
    • Choking under pressure and working memory capacity: When performance pressure reduced fluid intelligence
    • Gimmig D, Huguet P, Caverni JP, Cury F, (2006) Choking under pressure and working memory capacity: When performance pressure reduced fluid intelligence. Psychon B Rev 13: 1005-1010.
    • (2006) Psychon B Rev , vol.13 , pp. 1005-1010
    • Gimmig, D.1    Huguet, P.2    Caverni, J.P.3    Cury, F.4
  • 49
    • 78149408401 scopus 로고    scopus 로고
    • Processing efficiency in anxiety: Evidence from eye-movements during visual search
    • Derakshan N, Koster EHW, (2010) Processing efficiency in anxiety: Evidence from eye-movements during visual search. Behav Res Ther 48: 1180-1185.
    • (2010) Behav Res Ther , vol.48 , pp. 1180-1185
    • Derakshan, N.1    Koster, E.H.W.2
  • 50
    • 83755163594 scopus 로고    scopus 로고
    • Threat facilitates suquent executive control during anxious mood
    • Birk JL, Dennis TA, Shin LM, Urry HL, (2011) Threat facilitates suquent executive control during anxious mood. Emotion 11: 1291-1304.
    • (2011) Emotion , vol.11 , pp. 1291-1304
    • Birk, J.L.1    Dennis, T.A.2    Shin, L.M.3    Urry, H.L.4
  • 51
    • 77951287880 scopus 로고    scopus 로고
    • Attention and anxiety: Different attentional function under state and trait anxiety
    • Pacheco-Unguetti AP, Acosta A, Callejas A, Lupiáñez J, (2010) Attention and anxiety: Different attentional function under state and trait anxiety. Psychol Sci 21: 298-304.
    • (2010) Psychol Sci , vol.21 , pp. 298-304
    • Pacheco-Unguetti, A.P.1    Acosta, A.2    Callejas, A.3    Lupiáñez, J.4
  • 52
    • 80051634306 scopus 로고    scopus 로고
    • The effect of induced anxiety on cogntion: Threat of shock enhances aversive processing in healthy individuals
    • Robinson O, Letkiewicz AM, Overstreet C, Ernst M, Grillon C, (2011) The effect of induced anxiety on cogntion: Threat of shock enhances aversive processing in healthy individuals. Cogn Affect Behav Neurosci 11: 217-227.
    • (2011) Cogn Affect Behav Neurosci , vol.11 , pp. 217-227
    • Robinson, O.1    Letkiewicz, A.M.2    Overstreet, C.3    Ernst, M.4    Grillon, C.5
  • 53
    • 78249252733 scopus 로고    scopus 로고
    • Effect of modification of safety behaviors on social anxiety symptoms
    • Okajima I, Sakano Y, (2008) Effect of modification of safety behaviors on social anxiety symptoms. Seishin Igaku (Clin Psychiat) 50: 801-808.
    • (2008) Seishin Igaku (Clin Psychiat) , vol.50 , pp. 801-808
    • Okajima, I.1    Sakano, Y.2
  • 55
    • 77954028196 scopus 로고    scopus 로고
    • Training and plasticity of working memory
    • Klingberg T, (2010) Training and plasticity of working memory. Trends Cogn Sci 14: 317-324.
    • (2010) Trends Cogn Sci , vol.14 , pp. 317-324
    • Klingberg, T.1
  • 56
    • 0345923836 scopus 로고    scopus 로고
    • Increased prefrontal and parietal activity after trainig of working memory
    • Olesen PJ, Westerberg H, Klingberg T, (2004) Increased prefrontal and parietal activity after trainig of working memory. Nature Neurosci 7: 75-79.
    • (2004) Nature Neurosci , vol.7 , pp. 75-79
    • Olesen, P.J.1    Westerberg, H.2    Klingberg, T.3
  • 57
    • 39549086362 scopus 로고    scopus 로고
    • Development of a Short Fear of Negative Evaluation Scale for Japanese using item response theory
    • Sasagawa S, Kanai Y, Muranaka Y, Suzuki S, Shimada H, et al. (2004) Development of a Short Fear of Negative Evaluation Scale for Japanese using item response theory. Jpn J Behav Ther 30: 87-98.
    • (2004) Jpn J Behav Ther , vol.30 , pp. 87-98
    • Sasagawa, S.1    Kanai, Y.2    Muranaka, Y.3    Suzuki, S.4    Shimada, H.5
  • 58
    • 0002623340 scopus 로고
    • Development of the Japanese edition of the Spielberger State-Trait Anxiety Inventory (STAI) for student use
    • Shimizu H, Imae K, (1981) Development of the Japanese edition of the Spielberger State-Trait Anxiety Inventory (STAI) for student use. Jpn J Educ Psychol 29: 62-67.
    • (1981) Jpn J Educ Psychol , vol.29 , pp. 62-67
    • Shimizu, H.1    Imae, K.2
  • 60
    • 79955824970 scopus 로고    scopus 로고
    • Principal component analysis of behavioural individual differences suggests that particular aspects of visual working memory may relate to specific aspects of attention
    • Machizawa MG, Driver J, (2011) Principal component analysis of behavioural individual differences suggests that particular aspects of visual working memory may relate to specific aspects of attention. Neuropsychologia 49: 1518-1526.
    • (2011) Neuropsychologia , vol.49 , pp. 1518-1526
    • Machizawa, M.G.1    Driver, J.2


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.