메뉴 건너뛰기




Volumn 364, Issue 1515, 2009, Pages 301-311

A review of the generalization of auditory learning

Author keywords

Auditory; Generalization; Human; Learning; Perception

Indexed keywords

AUDITORY CUE; HEARING; HUMAN BEHAVIOR; LEARNING; NEUROLOGY; PERCEPTION; PERFORMANCE ASSESSMENT; TRAINING;

EID: 58149240037     PISSN: 09628436     EISSN: None     Source Type: Journal    
DOI: 10.1098/rstb.2008.0262     Document Type: Review
Times cited : (100)

References (55)
  • 1
    • 4644223399 scopus 로고    scopus 로고
    • The reverse hierarchy theory of visual perceptual learning
    • Ahissar, M. & Hochstein, S. 2004 The reverse hierarchy theory of visual perceptual learning. Trends Cogn. Sci. 8, 457-464.
    • (2004) Trends Cogn. Sci , vol.8 , pp. 457-464
    • Ahissar, M.1    Hochstein, S.2
  • 2
    • 19344374935 scopus 로고    scopus 로고
    • Auditory frequency discrimination learning is affected by stimulus variability
    • Amitay, S., Hawkey, D. J. & Moore, D. R. 2005 Auditory frequency discrimination learning is affected by stimulus variability. Percept. Psychophys. 67, 691-698.
    • (2005) Percept. Psychophys , vol.67 , pp. 691-698
    • Amitay, S.1    Hawkey, D.J.2    Moore, D.R.3
  • 3
    • 33750455513 scopus 로고    scopus 로고
    • Discrimination learning induced by training with identical stimuli
    • Amitay, S., Irwin, A. & Moore, D. R. 2006 Discrimination learning induced by training with identical stimuli. Nat. Neurosci. 9, 1446-1448.
    • (2006) Nat. Neurosci , vol.9 , pp. 1446-1448
    • Amitay, S.1    Irwin, A.2    Moore, D.R.3
  • 4
    • 0036084825 scopus 로고    scopus 로고
    • The time course of neural changes underlying auditory perceptual learning
    • Atienza, M., Cantero, J. L. & Dominguez-Marin, E. 2002 The time course of neural changes underlying auditory perceptual learning. Learn. Mem. 9, 138-150.
    • (2002) Learn. Mem , vol.9 , pp. 138-150
    • Atienza, M.1    Cantero, J.L.2    Dominguez-Marin, E.3
  • 5
    • 0030003584 scopus 로고    scopus 로고
    • Accuracy of same/different judgments of sequences of complex tones differing in tonal order under various levels of fundamental frequency range, listener training, and type of standard sequence
    • Barsz, K. 1996 Accuracy of same/different judgments of sequences of complex tones differing in tonal order under various levels of fundamental frequency range, listener training, and type of standard sequence. J. Acoust. Soc. Am. 99, 1660-1669.
    • (1996) J. Acoust. Soc. Am , vol.99 , pp. 1660-1669
    • Barsz, K.1
  • 6
    • 37849043092 scopus 로고    scopus 로고
    • Across-channel interference in intensity discrimination: The role of practice and listening strategy
    • Buss, E. 2008 Across-channel interference in intensity discrimination: the role of practice and listening strategy. J. Acoust. Soc. Am. 123, 265-272.
    • (2008) J. Acoust. Soc. Am , vol.123 , pp. 265-272
    • Buss, E.1
  • 7
    • 0036546527 scopus 로고    scopus 로고
    • Transfer of learning across durations and ears in auditory frequency discrimination
    • Delhommeau, K., Micheyl, C., Jouvent, R. & Collet, L. 2002 Transfer of learning across durations and ears in auditory frequency discrimination. Percept. Psychophys. 64, 426-436.
    • (2002) Percept. Psychophys , vol.64 , pp. 426-436
    • Delhommeau, K.1    Micheyl, C.2    Jouvent, R.3    Collet, L.4
  • 8
    • 21244460804 scopus 로고    scopus 로고
    • Generalization of frequency discrimination learning across frequencies and ears: Implications for underlying neural mechanisms in humans
    • Delhommeau, K., Micheyl, C. & Jouvent, R. 2005 Generalization of frequency discrimination learning across frequencies and ears: implications for underlying neural mechanisms in humans. J. Assoc. Res. Otolaryngol. 6, 171-179.
    • (2005) J. Assoc. Res. Otolaryngol , vol.6 , pp. 171-179
    • Delhommeau, K.1    Micheyl, C.2    Jouvent, R.3
  • 9
    • 0022117156 scopus 로고
    • Perceptual learning in frequency discrimination
    • Demany, L. 1985 Perceptual learning in frequency discrimination. J. Acoust. Soc. Am. 78, 1118-1120.
    • (1985) J. Acoust. Soc. Am , vol.78 , pp. 1118-1120
    • Demany, L.1
  • 10
    • 0036195725 scopus 로고    scopus 로고
    • Learning to perceive pitch differences
    • Demany, L. & Semal, C. 2002 Learning to perceive pitch differences. J. Acoust. Soc. Am. 111, 1377-1388.
    • (2002) J. Acoust. Soc. Am , vol.111 , pp. 1377-1388
    • Demany, L.1    Semal, C.2
  • 11
    • 0032506121 scopus 로고    scopus 로고
    • Perceptual learning reflects external noise filtering and internal noise reduction through channel reweighting
    • Dosher, B. A. & Lu, Z. L. 1998 Perceptual learning reflects external noise filtering and internal noise reduction through channel reweighting. Proc. Natl Acad. Sci. USA 95, 13 988-13 993.
    • (1998) Proc. Natl Acad. Sci. USA , vol.95
    • Dosher, B.A.1    Lu, Z.L.2
  • 12
    • 29244457246 scopus 로고    scopus 로고
    • A perceptual learning investigation of the pitch elicited by amplitude-modulated noise
    • Fitzgerald, M. B. & Wright, B. A. 2005 A perceptual learning investigation of the pitch elicited by amplitude-modulated noise. J. Acoust. Soc. Am. 118, 3794-3803.
    • (2005) J. Acoust. Soc. Am , vol.118 , pp. 3794-3803
    • Fitzgerald, M.B.1    Wright, B.A.2
  • 13
    • 1842816646 scopus 로고    scopus 로고
    • Learning strengthens the response of primary visual cortex to simple patterns
    • Furmanski, C. S., Schluppeck, D. & Engel, S. A. 2004 Learning strengthens the response of primary visual cortex to simple patterns. Curr. Biol. 14, 573-578.
    • (2004) Curr. Biol , vol.14 , pp. 573-578
    • Furmanski, C.S.1    Schluppeck, D.2    Engel, S.A.3
  • 14
    • 0033547445 scopus 로고    scopus 로고
    • Signal but not noise changes with perceptual learning
    • Gold, J., Bennett, P. J. & Sekuler, A. B. 1999 Signal but not noise changes with perceptual learning. Nature 402, 176-178.
    • (1999) Nature , vol.402 , pp. 176-178
    • Gold, J.1    Bennett, P.J.2    Sekuler, A.B.3
  • 16
    • 0036482699 scopus 로고    scopus 로고
    • Evidence for two pitch encoding mechanisms using a selective auditory training paradigm
    • Grimault, N., Micheyl, C., Carlyon, R. P. & Collet, L. 2002 Evidence for two pitch encoding mechanisms using a selective auditory training paradigm. Percept. Psychophys. 64, 189-197.
    • (2002) Percept. Psychophys , vol.64 , pp. 189-197
    • Grimault, N.1    Micheyl, C.2    Carlyon, R.P.3    Collet, L.4
  • 17
    • 0141638485 scopus 로고    scopus 로고
    • Learning in discrimination of frequency or modulation rate: Generalization to fundamental frequency discrimination
    • Grimault, N., Micheyl, C., Carlyon, R. P., Bacon, S. P. & Collet, L. 2003 Learning in discrimination of frequency or modulation rate: generalization to fundamental frequency discrimination. Hear. Res. 184, 41-50.
    • (2003) Hear. Res , vol.184 , pp. 41-50
    • Grimault, N.1    Micheyl, C.2    Carlyon, R.P.3    Bacon, S.P.4    Collet, L.5
  • 18
    • 14844351934 scopus 로고    scopus 로고
    • Early and rapid perceptual learning
    • Hawkey, D. J., Amitay, S. & Moore, D. R. 2004 Early and rapid perceptual learning. Nat. Neurosci. 7, 1055-1056.
    • (2004) Nat. Neurosci , vol.7 , pp. 1055-1056
    • Hawkey, D.J.1    Amitay, S.2    Moore, D.R.3
  • 19
    • 33645740437 scopus 로고    scopus 로고
    • Plasticity of spectral processing
    • Irvine, D. R. & Wright, B. A. 2005 Plasticity of spectral processing. Int. Rev. Neurobiol. 70, 435-472.
    • (2005) Int. Rev. Neurobiol , vol.70 , pp. 435-472
    • Irvine, D.R.1    Wright, B.A.2
  • 20
    • 0033670174 scopus 로고    scopus 로고
    • Specificity of perceptual learning in a frequency discrimination task
    • Irvine, D. R., Martin, R. L., Klimkeit, E. & Smith, R. 2000 Specificity of perceptual learning in a frequency discrimination task. J. Acoust. Soc. Am. 108, 2964-2968.
    • (2000) J. Acoust. Soc. Am , vol.108 , pp. 2964-2968
    • Irvine, D.R.1    Martin, R.L.2    Klimkeit, E.3    Smith, R.4
  • 21
    • 0037360961 scopus 로고    scopus 로고
    • Temporal specificity of perceptual learning in an auditory discrimination task
    • Karmarkar, U. R. & Buonomano, D. V. 2003 Temporal specificity of perceptual learning in an auditory discrimination task. Learn. Mem. 10, 141-147.
    • (2003) Learn. Mem , vol.10 , pp. 141-147
    • Karmarkar, U.R.1    Buonomano, D.V.2
  • 22
    • 0025907842 scopus 로고
    • Where practice makes perfect in texture discrimination: Evidence for primary visual cortex plasticity
    • Karni, A. & Sagi, D. 1991 Where practice makes perfect in texture discrimination: evidence for primary visual cortex plasticity. Proc. Natl Acad. Sci. USA 88, 4966-4970.
    • (1991) Proc. Natl Acad. Sci. USA , vol.88 , pp. 4966-4970
    • Karni, A.1    Sagi, D.2
  • 24
    • 41149146041 scopus 로고    scopus 로고
    • Neural correlates of perceptual learning in a sensory-motor, but not a sensory, cortical area
    • Law, C. T. & Gold, J. I. 2008 Neural correlates of perceptual learning in a sensory-motor, but not a sensory, cortical area. Nat. Neurosci. 11, 505-513.
    • (2008) Nat. Neurosci , vol.11 , pp. 505-513
    • Law, C.T.1    Gold, J.I.2
  • 25
    • 0021515103 scopus 로고
    • Learning to detect auditory pattern components
    • Leek, M. R. & Watson, C. S. 1984 Learning to detect auditory pattern components. J. Acoust. Soc. Am. 76, 1037-1044.
    • (1984) J. Acoust. Soc. Am , vol.76 , pp. 1037-1044
    • Leek, M.R.1    Watson, C.S.2
  • 26
    • 0023987911 scopus 로고
    • Auditory perceptual learning of tonal patterns
    • Leek, M. R. & Watson, C. S. 1988 Auditory perceptual learning of tonal patterns. Percept. Psychophys. 43, 389-394.
    • (1988) Percept. Psychophys , vol.43 , pp. 389-394
    • Leek, M.R.1    Watson, C.S.2
  • 28
    • 0033856188 scopus 로고    scopus 로고
    • Motor timing learned without motor training
    • Meegan, D. V., Aslin, R. N. & Jacobs, R. A. 2000 Motor timing learned without motor training. Nat. Neurosci. 3, 860-862.
    • (2000) Nat. Neurosci , vol.3 , pp. 860-862
    • Meegan, D.V.1    Aslin, R.N.2    Jacobs, R.A.3
  • 29
    • 33747041962 scopus 로고    scopus 로고
    • Influence of musical and psychoacoustical training on pitch discrimination
    • Micheyl, C., Delhommeau, K., Perrot, X. & Oxenham, A. J. 2006 Influence of musical and psychoacoustical training on pitch discrimination. Hear. Res. 219, 36-47.
    • (2006) Hear. Res , vol.219 , pp. 36-47
    • Micheyl, C.1    Delhommeau, K.2    Perrot, X.3    Oxenham, A.J.4
  • 30
    • 33845404152 scopus 로고    scopus 로고
    • Perceptual-learning evidence for separate processing of asynchrony and order tasks
    • Mossbridge, J. A., Fitzgerald, M. B., O'Connor, E. S. & Wright, B. A. 2006 Perceptual-learning evidence for separate processing of asynchrony and order tasks. J. Neurosci. 26, 12 708-12 716.
    • (2006) J. Neurosci , vol.26
    • Mossbridge, J.A.1    Fitzgerald, M.B.2    O'Connor, E.S.3    Wright, B.A.4
  • 31
    • 38649099690 scopus 로고    scopus 로고
    • Learning and generalization on asynchrony and order tasks at sound offset: Implications for underlying neural circuitry
    • Mossbridge, J. A., Scissors, B. N. & Wright, B. A. 2008 Learning and generalization on asynchrony and order tasks at sound offset: implications for underlying neural circuitry. Learn. Mem. 15, 13-20.
    • (2008) Learn. Mem , vol.15 , pp. 13-20
    • Mossbridge, J.A.1    Scissors, B.N.2    Wright, B.A.3
  • 32
    • 0032519874 scopus 로고    scopus 로고
    • Practice-related improvements in somatosensory interval discrimination are temporally specific but generalize across skin location, hemisphere, and modality
    • Nagarajan, S. S., Blake, D. T., Wright, B. A., Byl, N. & Merzenich, M. M. 1998 Practice-related improvements in somatosensory interval discrimination are temporally specific but generalize across skin location, hemisphere, and modality. J. Neurosci. 18, 1559-1570.
    • (1998) J. Neurosci , vol.18 , pp. 1559-1570
    • Nagarajan, S.S.1    Blake, D.T.2    Wright, B.A.3    Byl, N.4    Merzenich, M.M.5
  • 33
    • 60349105216 scopus 로고    scopus 로고
    • Contributions of procedure and stimulus learning to early, rapid perceptual improvements
    • In press
    • Ortiz, J. A. & Wright, B. A. In press. Contributions of procedure and stimulus learning to early, rapid perceptual improvements. J. Exp. Psychol. Hum. Percept. Perform.
    • J. Exp. Psychol. Hum. Percept. Perform
    • Ortiz, J.A.1    Wright, B.A.2
  • 35
    • 0026643493 scopus 로고
    • Fast perceptual learning in visual hyperacuity
    • Poggio, T., Fahle, M. & Edelman, S. 1992 Fast perceptual learning in visual hyperacuity. Science 256, 1018-1021.
    • (1992) Science , vol.256 , pp. 1018-1021
    • Poggio, T.1    Fahle, M.2    Edelman, S.3
  • 36
    • 0141997997 scopus 로고    scopus 로고
    • The effect of training on frequency discrimination: Generalization to untrained frequencies and to the untrained ear
    • Roth, D. A., Amir, O., Alaluf, L., Buchsenspanner, S. & Kishon-Rabin, L. 2003 The effect of training on frequency discrimination: generalization to untrained frequencies and to the untrained ear. J. Basic Clin. Physiol. Pharmacol. 14, 137-150.
    • (2003) J. Basic Clin. Physiol. Pharmacol , vol.14 , pp. 137-150
    • Roth, D.A.1    Amir, O.2    Alaluf, L.3    Buchsenspanner, S.4    Kishon-Rabin, L.5
  • 38
    • 33749258188 scopus 로고    scopus 로고
    • Learning to discriminate interaural time differences: An exploratory study with amplitude-modulated stimuli
    • Rowan, D. & Lutman, M. E. 2006 Learning to discriminate interaural time differences: an exploratory study with amplitude-modulated stimuli. Int. J. Audiol. 45, 513-520.
    • (2006) Int. J. Audiol , vol.45 , pp. 513-520
    • Rowan, D.1    Lutman, M.E.2
  • 39
    • 35148888665 scopus 로고    scopus 로고
    • Learning to discriminate interaural time differences at low and high frequencies
    • Rowan, D. & Lutman, M. E. 2007 Learning to discriminate interaural time differences at low and high frequencies. Int. J. Audiol. 46, 585-594.
    • (2007) Int. J. Audiol , vol.46 , pp. 585-594
    • Rowan, D.1    Lutman, M.E.2
  • 40
    • 0017089798 scopus 로고
    • Practice effects for auditory localization: A test of a differentiation theory of perceptual learning and development
    • Russell, G. 1976 Practice effects for auditory localization: a test of a differentiation theory of perceptual learning and development. Percept. Mot. Skills 42, 647-653.
    • (1976) Percept. Mot. Skills , vol.42 , pp. 647-653
    • Russell, G.1
  • 41
    • 0025061706 scopus 로고
    • Lateralization thresholds obtained under conditions in which the precedence effect is assumed to operate
    • Saberi, K. & Perrott, D. R. 1990 Lateralization thresholds obtained under conditions in which the precedence effect is assumed to operate. J. Acoust. Soc. Am. 87, 1732-1737.
    • (1990) J. Acoust. Soc. Am , vol.87 , pp. 1732-1737
    • Saberi, K.1    Perrott, D.R.2
  • 42
    • 0032796357 scopus 로고    scopus 로고
    • Neuronal mechanisms of perceptual learning: Changes in human brain activity with training in orientation discrimination
    • Schiltz, C., Bodart, J. M., Dubois, S., Dejardin, S., Michel, C., Roucoux, A., Crommelinck, M. & Orban, G. A. 1999 Neuronal mechanisms of perceptual learning: changes in human brain activity with training in orientation discrimination. Neuroimage 9, 46-62.
    • (1999) Neuroimage , vol.9 , pp. 46-62
    • Schiltz, C.1    Bodart, J.M.2    Dubois, S.3    Dejardin, S.4    Michel, C.5    Roucoux, A.6    Crommelinck, M.7    Orban, G.A.8
  • 43
    • 0037168555 scopus 로고    scopus 로고
    • Neural correlates of perceptual learning: A functional MRI study of visual texture discrimination
    • Schwartz, S., Maquet, P. & Frith, C. 2002 Neural correlates of perceptual learning: a functional MRI study of visual texture discrimination. Proc. Natl Acad. Sci. USA 99, 17 137-17 142.
    • (2002) Proc. Natl Acad. Sci. USA , vol.99
    • Schwartz, S.1    Maquet, P.2    Frith, C.3
  • 44
    • 34249101239 scopus 로고    scopus 로고
    • Learning-induced plasticity in auditory spatial representations revealed by electrical neuroimaging
    • Spierer, L., Tardif, E., Sperdin, H., Murray, M. M. & Clarke, S. 2007 Learning-induced plasticity in auditory spatial representations revealed by electrical neuroimaging. J. Neurosci. 27, 5474-5483.
    • (2007) J. Neurosci , vol.27 , pp. 5474-5483
    • Spierer, L.1    Tardif, E.2    Sperdin, H.3    Murray, M.M.4    Clarke, S.5
  • 45
    • 0014330329 scopus 로고
    • Effect of signal duration on detection for gated and for continuous noise
    • Tucker, A., Williams, P. I. & Jeffress, L. A. 1968 Effect of signal duration on detection for gated and for continuous noise. J. Acoust. Soc. Am. 44, 813-816.
    • (1968) J. Acoust. Soc. Am , vol.44 , pp. 813-816
    • Tucker, A.1    Williams, P.I.2    Jeffress, L.A.3
  • 46
    • 33847776336 scopus 로고    scopus 로고
    • Auditory cortical plasticity in learning to discriminate modulation rate
    • van Wassenhove, V. & Nagarajan, S. S. 2007 Auditory cortical plasticity in learning to discriminate modulation rate. J. Neurosci. 27, 2663-2672.
    • (2007) J. Neurosci , vol.27 , pp. 2663-2672
    • van Wassenhove, V.1    Nagarajan, S.S.2
  • 47
    • 43349092444 scopus 로고    scopus 로고
    • Simultaneity learning in vision, audition, tactile sense and their cross-modal combinations
    • Virsu, V., Oksanen-Hennah, H., Vedenpaa, A., Jaatinen, P. & Lahti-Nuuttila, P. 2008 Simultaneity learning in vision, audition, tactile sense and their cross-modal combinations. Exp. Brain Res. 186, 525-537.
    • (2008) Exp. Brain Res , vol.186 , pp. 525-537
    • Virsu, V.1    Oksanen-Hennah, H.2    Vedenpaa, A.3    Jaatinen, P.4    Lahti-Nuuttila, P.5
  • 48
    • 0019066893 scopus 로고
    • Time course of auditory perceptual learning
    • Watson, C. S. 1980 Time course of auditory perceptual learning. Ann. Otol. Rhinol. Laryngol. Suppl. 89, 96-102.
    • (1980) Ann. Otol. Rhinol. Laryngol. Suppl , vol.89 , pp. 96-102
    • Watson, C.S.1
  • 49
    • 0035834105 scopus 로고    scopus 로고
    • Different patterns of human discrimination learning for two interaural cues to sound-source location
    • Wright, B. A. & Fitzgerald, M. B. 2001 Different patterns of human discrimination learning for two interaural cues to sound-source location. Proc. Natl Acad. Sci. USA 98, 12 307-12 312.
    • (2001) Proc. Natl Acad. Sci. USA , vol.98
    • Wright, B.A.1    Fitzgerald, M.B.2
  • 50
    • 21244470276 scopus 로고    scopus 로고
    • Learning and generalization of five auditory discrimination tasks as assessed by threshold changes
    • eds D. Pressnitzer, A. de Cheveigne, S. McAdams & L. Collet, pp, New York, NY: Springer
    • Wright, B. A. & Fitzgerald, M. B. 2005 Learning and generalization of five auditory discrimination tasks as assessed by threshold changes. In Auditory signal processing: physiology, psychoacoustics, and models (eds D. Pressnitzer, A. de Cheveigne, S. McAdams & L. Collet), pp. 510-516. New York, NY: Springer.
    • (2005) Auditory signal processing: Physiology, psychoacoustics, and models , pp. 510-516
    • Wright, B.A.1    Fitzgerald, M.B.2
  • 51
    • 33748640807 scopus 로고    scopus 로고
    • A review of learning with normal and altered sound-localization cues in human adults
    • Wright, B. A. & Zhang, Y. 2006 A review of learning with normal and altered sound-localization cues in human adults. Int. J. Audiol. 45(Suppl.), 92-98.
    • (2006) Int. J. Audiol , vol.45 , Issue.SUPPL. , pp. 92-98
    • Wright, B.A.1    Zhang, Y.2
  • 52
    • 71549133786 scopus 로고    scopus 로고
    • Insights into human auditory processing gained from perceptual learning
    • In press, ed. M. S. Gazzaniga, Cambridge, MA: MIT Press
    • Wright, B. A. & Zhang, Y. In press. Insights into human auditory processing gained from perceptual learning. In The cognitive neurosciences, vol. IV (ed. M. S. Gazzaniga). Cambridge, MA: MIT Press.
    • The cognitive neurosciences , vol.4
    • Wright, B.A.1    Zhang, Y.2
  • 53
    • 0030943898 scopus 로고    scopus 로고
    • Learning and generalization of auditory temporal-interval discrimination in humans
    • Wright, B. A., Buonomano, D. V., Mahncke, H. W. & Merzenich, M. M. 1997 Learning and generalization of auditory temporal-interval discrimination in humans. J. Neurosci. 17, 3956-3963.
    • (1997) J. Neurosci , vol.17 , pp. 3956-3963
    • Wright, B.A.1    Buonomano, D.V.2    Mahncke, H.W.3    Merzenich, M.M.4
  • 54
    • 34047263961 scopus 로고    scopus 로고
    • Similar patterns of learning and performance variability for human discrimination of interaural time differences at high and low frequencies
    • Zhang, Y. & Wright, B. A. 2007 Similar patterns of learning and performance variability for human discrimination of interaural time differences at high and low frequencies. J. Acoust. Soc. Am. 121, 2207-2216.
    • (2007) J. Acoust. Soc. Am , vol.121 , pp. 2207-2216
    • Zhang, Y.1    Wright, B.A.2
  • 55
    • 0001689683 scopus 로고
    • On the effect of practice and motivation on the threshold of audibility
    • Zwislocki, J., Maire, F., Feldman, A. S. & Rubin, H. 1958 On the effect of practice and motivation on the threshold of audibility. J. Acoust. Soc. Am. 30, 254-262.
    • (1958) J. Acoust. Soc. Am , vol.30 , pp. 254-262
    • Zwislocki, J.1    Maire, F.2    Feldman, A.S.3    Rubin, H.4


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.