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Volumn 18, Issue 10, 2014, Pages 520-525

Reappraising the relationship between working memory and conscious awareness

Author keywords

Attention; Awareness; Cognitive control; Consciousness; Introspection; Metacognition; Neural recurrency; Prefrontal; Vision; Working memory

Indexed keywords

COGNITIVE SYSTEMS; VISION;

EID: 84908022255     PISSN: 13646613     EISSN: 1879307X     Source Type: Journal    
DOI: 10.1016/j.tics.2014.06.005     Document Type: Review
Times cited : (91)

References (70)
  • 2
    • 84874555234 scopus 로고    scopus 로고
    • Yes it can: on the functional abilities of the human unconscious
    • Hassin R.R. Yes it can: on the functional abilities of the human unconscious. Perspect. Psychol. Sci. 2013, 8:195-207.
    • (2013) Perspect. Psychol. Sci. , vol.8 , pp. 195-207
    • Hassin, R.R.1
  • 3
    • 77954319558 scopus 로고    scopus 로고
    • The unconscious will: how the pursuit of goals operates outside of conscious awareness
    • Custers R., Aarts H. The unconscious will: how the pursuit of goals operates outside of conscious awareness. Science 2010, 329:47-50.
    • (2010) Science , vol.329 , pp. 47-50
    • Custers, R.1    Aarts, H.2
  • 4
    • 84899713935 scopus 로고    scopus 로고
    • Metacognition of visual short-term memory: dissociation between objective and subjective components of VSTM
    • Bona S., et al. Metacognition of visual short-term memory: dissociation between objective and subjective components of VSTM. Front. Psychol. 2013, 4:62.
    • (2013) Front. Psychol. , vol.4 , pp. 62
    • Bona, S.1
  • 5
    • 84899712328 scopus 로고    scopus 로고
    • Accuracy and confidence of visual short-term memory do not go hand-in-hand: behavioral and neural dissociations
    • Bona S., Silvanto J. Accuracy and confidence of visual short-term memory do not go hand-in-hand: behavioral and neural dissociations. PLoS ONE 2014, 9:e90808.
    • (2014) PLoS ONE , vol.9 , pp. e90808
    • Bona, S.1    Silvanto, J.2
  • 6
    • 84878195764 scopus 로고    scopus 로고
    • Introspective judgments predict the precision and likelihood of successful maintenance of visual working memory
    • Rademaker R.L., et al. Introspective judgments predict the precision and likelihood of successful maintenance of visual working memory. J. Vis. 2012, 12:21.
    • (2012) J. Vis. , vol.12 , pp. 21
    • Rademaker, R.L.1
  • 7
    • 0034150804 scopus 로고    scopus 로고
    • Accounts of the confidence-accuracy relation in recognition memory
    • Busey T.A., et al. Accounts of the confidence-accuracy relation in recognition memory. Psychon. Bull. Rev. 2000, 7:26-48.
    • (2000) Psychon. Bull. Rev. , vol.7 , pp. 26-48
    • Busey, T.A.1
  • 10
    • 79955095274 scopus 로고    scopus 로고
    • Experimental and theoretical approaches to conscious processing
    • Dehaene S., Changeux J.P. Experimental and theoretical approaches to conscious processing. Neuron 2011, 70:200-227.
    • (2011) Neuron , vol.70 , pp. 200-227
    • Dehaene, S.1    Changeux, J.P.2
  • 11
    • 34250370071 scopus 로고    scopus 로고
    • Levels of processing during non-conscious perception: a critical review of visual masking
    • Kouider S., Dehaene S. Levels of processing during non-conscious perception: a critical review of visual masking. Philos. Trans. R. Soc. Lond. B: Biol. Sci. 2007, 362:857-875.
    • (2007) Philos. Trans. R. Soc. Lond. B: Biol. Sci. , vol.362 , pp. 857-875
    • Kouider, S.1    Dehaene, S.2
  • 12
    • 0010426830 scopus 로고    scopus 로고
    • Subliminal visual priming
    • Bar M., Biederman I. Subliminal visual priming. Psychol. Sci. 1998, 9:464-469.
    • (1998) Psychol. Sci. , vol.9 , pp. 464-469
    • Bar, M.1    Biederman, I.2
  • 13
    • 0018833725 scopus 로고
    • Affective discrimination of stimuli that cannot be recognized
    • Kunst-Wilson W.R., Zajonc R.B. Affective discrimination of stimuli that cannot be recognized. Science 1980, 207:557-558.
    • (1980) Science , vol.207 , pp. 557-558
    • Kunst-Wilson, W.R.1    Zajonc, R.B.2
  • 14
    • 0036717250 scopus 로고    scopus 로고
    • Unconscious masked priming depends on temporal attention
    • Naccache L., et al. Unconscious masked priming depends on temporal attention. Psychol. Sci. 2002, 13:416-424.
    • (2002) Psychol. Sci. , vol.13 , pp. 416-424
    • Naccache, L.1
  • 15
    • 33745889330 scopus 로고    scopus 로고
    • Attentional modulation of sensorimotor processes in the absence of perceptual awareness
    • Sumner P., et al. Attentional modulation of sensorimotor processes in the absence of perceptual awareness. Proc. Natl. Acad. Sci. U.S.A. 2006, 103:10520-10525.
    • (2006) Proc. Natl. Acad. Sci. U.S.A. , vol.103 , pp. 10520-10525
    • Sumner, P.1
  • 16
    • 84874346769 scopus 로고    scopus 로고
    • Distinct brain mechanisms for conscious versus subliminal error detection
    • Charles L., et al. Distinct brain mechanisms for conscious versus subliminal error detection. Neuroimage 2013, 73:80-94.
    • (2013) Neuroimage , vol.73 , pp. 80-94
    • Charles, L.1
  • 17
    • 80054115908 scopus 로고    scopus 로고
    • Causal evidence for subliminal percept-to-memory interference in early visual cortex
    • Silvanto J., Soto D. Causal evidence for subliminal percept-to-memory interference in early visual cortex. Neuroimage 2012, 59:840-845.
    • (2012) Neuroimage , vol.59 , pp. 840-845
    • Silvanto, J.1    Soto, D.2
  • 18
    • 81855189626 scopus 로고    scopus 로고
    • Working memory without consciousness
    • Soto D., et al. Working memory without consciousness. Curr. Biol. 2011, 21:R912-R913.
    • (2011) Curr. Biol. , vol.21 , pp. R912-R913
    • Soto, D.1
  • 19
    • 84904578358 scopus 로고    scopus 로고
    • Working memory biasing of visual perception without awareness
    • Pan Y., et al. Working memory biasing of visual perception without awareness. Atten. Percept. Psychophys. 2013, 10.3758/s13414-013-0566-2.
    • (2013) Atten. Percept. Psychophys.
    • Pan, Y.1
  • 20
    • 84864385626 scopus 로고    scopus 로고
    • Unconscious addition: when we unconsciously initiate and follow arithmetic rules
    • Ric F., Muller D. Unconscious addition: when we unconsciously initiate and follow arithmetic rules. J. Exp. Psychol. Gen. 2012, 141:222-226.
    • (2012) J. Exp. Psychol. Gen. , vol.141 , pp. 222-226
    • Ric, F.1    Muller, D.2
  • 21
    • 84870332509 scopus 로고    scopus 로고
    • Reading and doing arithmetic nonconsciously
    • Sklar A.Y., et al. Reading and doing arithmetic nonconsciously. Proc. Natl. Acad. Sci. U.S.A. 2012, 109:19614-19619.
    • (2012) Proc. Natl. Acad. Sci. U.S.A. , vol.109 , pp. 19614-19619
    • Sklar, A.Y.1
  • 22
    • 0033838342 scopus 로고    scopus 로고
    • Separate roles for executive and phonological components of working memory in mental arithmetic
    • Furst A.J., Hitch G.J. Separate roles for executive and phonological components of working memory in mental arithmetic. Mem. Cognit. 2000, 28:774-782.
    • (2000) Mem. Cognit. , vol.28 , pp. 774-782
    • Furst, A.J.1    Hitch, G.J.2
  • 23
    • 77955614354 scopus 로고    scopus 로고
    • Visuospatial sequence learning without seeing
    • Rosenthal C.R., et al. Visuospatial sequence learning without seeing. PLoS ONE 2010, 5:e11906.
    • (2010) PLoS ONE , vol.5 , pp. e11906
    • Rosenthal, C.R.1
  • 25
    • 34250664974 scopus 로고    scopus 로고
    • Unconscious activation of the cognitive control system in the human prefrontal cortex
    • Lau H.C., Passingham R.E. Unconscious activation of the cognitive control system in the human prefrontal cortex. J. Neurosci. 2007, 27:5805-5811.
    • (2007) J. Neurosci. , vol.27 , pp. 5805-5811
    • Lau, H.C.1    Passingham, R.E.2
  • 26
    • 77949750056 scopus 로고    scopus 로고
    • Unconscious activation of the prefrontal no-go network
    • van Gaal S., et al. Unconscious activation of the prefrontal no-go network. J. Neurosci. 2010, 30:4143-4150.
    • (2010) J. Neurosci. , vol.30 , pp. 4143-4150
    • van Gaal, S.1
  • 27
    • 77955388577 scopus 로고    scopus 로고
    • Unconsciously triggered conflict adaptation
    • van Gaal S., et al. Unconsciously triggered conflict adaptation. PLoS ONE 2010, 5:e11508.
    • (2010) PLoS ONE , vol.5 , pp. e11508
    • van Gaal, S.1
  • 28
    • 69049118058 scopus 로고    scopus 로고
    • Dissociating consciousness from inhibitory control: evidence for unconsciously triggered response inhibition in the stop-signal task
    • van Gaal S., et al. Dissociating consciousness from inhibitory control: evidence for unconsciously triggered response inhibition in the stop-signal task. J. Exp. Psychol. Hum. Percept. Perform. 2009, 35:1129-1139.
    • (2009) J. Exp. Psychol. Hum. Percept. Perform. , vol.35 , pp. 1129-1139
    • van Gaal, S.1
  • 29
    • 77953911563 scopus 로고    scopus 로고
    • Unconscious errors enhance prefrontal-occipital oscillatory synchrony
    • Cohen M.X., et al. Unconscious errors enhance prefrontal-occipital oscillatory synchrony. Front. Hum. Neurosci. 2009, 3:54.
    • (2009) Front. Hum. Neurosci. , vol.3 , pp. 54
    • Cohen, M.X.1
  • 30
    • 45849133416 scopus 로고    scopus 로고
    • The relationship between visual awareness, attention, and report
    • van Gaal S., Fahrenfort J.J. The relationship between visual awareness, attention, and report. J. Neurosci. 2008, 28:5401-5402.
    • (2008) J. Neurosci. , vol.28 , pp. 5401-5402
    • van Gaal, S.1    Fahrenfort, J.J.2
  • 31
    • 51149097776 scopus 로고    scopus 로고
    • Frontal cortex mediates unconsciously triggered inhibitory control
    • van Gaal S., et al. Frontal cortex mediates unconsciously triggered inhibitory control. J. Neurosci. 2008, 28:8053-8062.
    • (2008) J. Neurosci. , vol.28 , pp. 8053-8062
    • van Gaal, S.1
  • 32
    • 70350462123 scopus 로고    scopus 로고
    • Does subliminal visual perception have an error-monitoring system?
    • Pavone E.F., et al. Does subliminal visual perception have an error-monitoring system?. Eur. J. Neurosci. 2009, 30:1424-1431.
    • (2009) Eur. J. Neurosci. , vol.30 , pp. 1424-1431
    • Pavone, E.F.1
  • 33
    • 84867063516 scopus 로고    scopus 로고
    • On the neural mechanisms subserving consciousness and attention
    • Tallon-Baudry C. On the neural mechanisms subserving consciousness and attention. Front. Psychol. 2011, 2:397.
    • (2011) Front. Psychol. , vol.2 , pp. 397
    • Tallon-Baudry, C.1
  • 34
    • 67650738078 scopus 로고    scopus 로고
    • Causal role of prefrontal cortex in the threshold for access to consciousness
    • Del Cul A., et al. Causal role of prefrontal cortex in the threshold for access to consciousness. Brain 2009, 132:2531-2540.
    • (2009) Brain , vol.132 , pp. 2531-2540
    • Del Cul, A.1
  • 35
    • 33845479216 scopus 로고    scopus 로고
    • Relative blindsight in normal observers and the neural correlate of visual consciousness
    • Lau H.C., Passingham R.E. Relative blindsight in normal observers and the neural correlate of visual consciousness. Proc. Natl. Acad. Sci. U.S.A. 2006, 103:18763-18768.
    • (2006) Proc. Natl. Acad. Sci. U.S.A. , vol.103 , pp. 18763-18768
    • Lau, H.C.1    Passingham, R.E.2
  • 36
    • 0035172287 scopus 로고    scopus 로고
    • Towards a cognitive neuroscience of consciousness: basic evidence and a workspace framework
    • Dehaene S., Naccache L. Towards a cognitive neuroscience of consciousness: basic evidence and a workspace framework. Cognition 2001, 79:1-37.
    • (2001) Cognition , vol.79 , pp. 1-37
    • Dehaene, S.1    Naccache, L.2
  • 37
    • 0033573939 scopus 로고    scopus 로고
    • Covariation of activity in visual and prefrontal cortex associated with subjective visual perception
    • Lumer E.D., Rees G. Covariation of activity in visual and prefrontal cortex associated with subjective visual perception. Proc. Natl. Acad. Sci. U.S.A. 1999, 96:1669-1673.
    • (1999) Proc. Natl. Acad. Sci. U.S.A. , vol.96 , pp. 1669-1673
    • Lumer, E.D.1    Rees, G.2
  • 38
    • 0034993328 scopus 로고    scopus 로고
    • Neural correlates of change detection and change blindness
    • Beck D.M., et al. Neural correlates of change detection and change blindness. Nat. Neurosci. 2001, 4:645-650.
    • (2001) Nat. Neurosci. , vol.4 , pp. 645-650
    • Beck, D.M.1
  • 39
    • 35648934012 scopus 로고    scopus 로고
    • Brain dynamics underlying the nonlinear threshold for access to consciousness
    • Del Cul A., et al. Brain dynamics underlying the nonlinear threshold for access to consciousness. PLoS Biol. 2007, 5:e260.
    • (2007) PLoS Biol. , vol.5 , pp. e260
    • Del Cul, A.1
  • 40
    • 84896723097 scopus 로고    scopus 로고
    • Neural basis of non-conscious visual working memory
    • Dutta A., et al. Neural basis of non-conscious visual working memory. Neuroimage 2014, 91:336-343.
    • (2014) Neuroimage , vol.91 , pp. 336-343
    • Dutta, A.1
  • 41
    • 0030837566 scopus 로고    scopus 로고
    • Pattern of neuronal activity associated with conscious and unconscious processing of visual signals
    • Sahraie A., et al. Pattern of neuronal activity associated with conscious and unconscious processing of visual signals. Proc. Natl. Acad. Sci. U.S.A. 1997, 94:9406-9411.
    • (1997) Proc. Natl. Acad. Sci. U.S.A. , vol.94 , pp. 9406-9411
    • Sahraie, A.1
  • 42
    • 79959711158 scopus 로고    scopus 로고
    • Covert face recognition without the fusiform-temporal pathways
    • Valdes-Sosa M., et al. Covert face recognition without the fusiform-temporal pathways. Neuroimage 2011, 57:1162-1176.
    • (2011) Neuroimage , vol.57 , pp. 1162-1176
    • Valdes-Sosa, M.1
  • 43
    • 0036384050 scopus 로고    scopus 로고
    • Neural response to emotional faces with and without awareness: event-related fMRI in a parietal patient with visual extinction and spatial neglect
    • Vuilleumier P., et al. Neural response to emotional faces with and without awareness: event-related fMRI in a parietal patient with visual extinction and spatial neglect. Neuropsychologia 2002, 40:2156-2166.
    • (2002) Neuropsychologia , vol.40 , pp. 2156-2166
    • Vuilleumier, P.1
  • 44
    • 40849102598 scopus 로고    scopus 로고
    • Synaptic theory of working memory
    • Mongillo G., et al. Synaptic theory of working memory. Science 2008, 319:1543-1546.
    • (2008) Science , vol.319 , pp. 1543-1546
    • Mongillo, G.1
  • 45
    • 0028938076 scopus 로고
    • Cellular basis of working memory
    • Goldman-Rakic P.S. Cellular basis of working memory. Neuron 1995, 14:477-485.
    • (1995) Neuron , vol.14 , pp. 477-485
    • Goldman-Rakic, P.S.1
  • 46
    • 0043264383 scopus 로고    scopus 로고
    • Persistent activity in the prefrontal cortex during working memory
    • Curtis C.E., D'Esposito M. Persistent activity in the prefrontal cortex during working memory. Trends Cogn. Sci. 2003, 7:415-423.
    • (2003) Trends Cogn. Sci. , vol.7 , pp. 415-423
    • Curtis, C.E.1    D'Esposito, M.2
  • 47
    • 84859107675 scopus 로고    scopus 로고
    • Discovering oscillatory interaction networks with M/EEG: challenges and breakthroughs
    • Palva S., Palva J.M. Discovering oscillatory interaction networks with M/EEG: challenges and breakthroughs. Trends Cogn. Sci. 2012, 16:219-230.
    • (2012) Trends Cogn. Sci. , vol.16 , pp. 219-230
    • Palva, S.1    Palva, J.M.2
  • 48
    • 84885820404 scopus 로고    scopus 로고
    • Overlapping activity periods in early visual cortex and posterior intraparietal area in conscious visual shape perception: a TMS study
    • Koivisto M., et al. Overlapping activity periods in early visual cortex and posterior intraparietal area in conscious visual shape perception: a TMS study. Neuroimage 2014, 84:765-774.
    • (2014) Neuroimage , vol.84 , pp. 765-774
    • Koivisto, M.1
  • 49
    • 80053034267 scopus 로고    scopus 로고
    • Biology of consciousness
    • Edelman G.M., et al. Biology of consciousness. Front. Psychol. 2011, 2:4.
    • (2011) Front. Psychol. , vol.2 , pp. 4
    • Edelman, G.M.1
  • 50
    • 33750148955 scopus 로고    scopus 로고
    • Towards a true neural stance on consciousness
    • Lamme V.A. Towards a true neural stance on consciousness. Trends Cogn. Sci. 2006, 10:494-501.
    • (2006) Trends Cogn. Sci. , vol.10 , pp. 494-501
    • Lamme, V.A.1
  • 52
    • 79960904034 scopus 로고    scopus 로고
    • Consciousness cannot be separated from function
    • Cohen M.A., Dennett D.C. Consciousness cannot be separated from function. Trends Cogn. Sci. 2011, 15:358-364.
    • (2011) Trends Cogn. Sci. , vol.15 , pp. 358-364
    • Cohen, M.A.1    Dennett, D.C.2
  • 53
    • 33947324206 scopus 로고    scopus 로고
    • Synchronization of neural activity across cortical areas correlates with conscious perception
    • Melloni L., et al. Synchronization of neural activity across cortical areas correlates with conscious perception. J Neurosci 2007, 27:2858-2865.
    • (2007) J Neurosci , vol.27 , pp. 2858-2865
    • Melloni, L.1
  • 54
    • 0035917886 scopus 로고    scopus 로고
    • Fast backprojections from the motion to the primary visual area necessary for visual awareness
    • Pascual-Leone A., Walsh V. Fast backprojections from the motion to the primary visual area necessary for visual awareness. Science 2001, 292:510-512.
    • (2001) Science , vol.292 , pp. 510-512
    • Pascual-Leone, A.1    Walsh, V.2
  • 55
    • 77951978967 scopus 로고    scopus 로고
    • The role of early visual cortex (V1/V2) in conscious and unconscious visual perception
    • Koivisto M., et al. The role of early visual cortex (V1/V2) in conscious and unconscious visual perception. Neuroimage 2010, 51:828-834.
    • (2010) Neuroimage , vol.51 , pp. 828-834
    • Koivisto, M.1
  • 57
    • 68349121328 scopus 로고
    • Les origines et les modalités de la memoire: Essai de psychologie générale
    • Richet C.R. Les origines et les modalités de la memoire: Essai de psychologie générale. Revue Philosophique de la France Et de L'Étranger 1886, 21:561-590.
    • (1886) Revue Philosophique de la France Et de L'Étranger , vol.21 , pp. 561-590
    • Richet, C.R.1
  • 58
    • 0015106727 scopus 로고
    • The control of short-term memory
    • Atkinson R.C., Shiffrin R.M. The control of short-term memory. Sci. Am. 1971, 225:82-90.
    • (1971) Sci. Am. , vol.225 , pp. 82-90
    • Atkinson, R.C.1    Shiffrin, R.M.2
  • 60
    • 0142153190 scopus 로고    scopus 로고
    • Working memory: looking back and looking forward
    • Baddeley A. Working memory: looking back and looking forward. Nat. Rev. Neurosci. 2003, 4:829-839.
    • (2003) Nat. Rev. Neurosci. , vol.4 , pp. 829-839
    • Baddeley, A.1
  • 61
    • 38249015634 scopus 로고
    • Consciousness and working memory
    • Baddeley A.D. Consciousness and working memory. Conscious. Cogn. 1992, 1:3-6.
    • (1992) Conscious. Cogn. , vol.1 , pp. 3-6
    • Baddeley, A.D.1
  • 62
    • 0024078314 scopus 로고
    • Evolving conceptions of memory storage, selective attention, and their mutual constraints within the human information-processing system
    • Cowan N. Evolving conceptions of memory storage, selective attention, and their mutual constraints within the human information-processing system. Psychol. Bull. 1988, 104:163-191.
    • (1988) Psychol. Bull. , vol.104 , pp. 163-191
    • Cowan, N.1
  • 63
    • 85047672889 scopus 로고    scopus 로고
    • Access to information in working memory: exploring the focus of attention
    • Oberauer K. Access to information in working memory: exploring the focus of attention. J. Exp. Psychol. Learn. Mem. Cogn. 2002, 28:411-421.
    • (2002) J. Exp. Psychol. Learn. Mem. Cogn. , vol.28 , pp. 411-421
    • Oberauer, K.1
  • 64
    • 0032005340 scopus 로고    scopus 로고
    • Metaphors of consciousness and attention in the brain
    • Baars B.J. Metaphors of consciousness and attention in the brain. Trends Neurosci. 1998, 21:58-62.
    • (1998) Trends Neurosci. , vol.21 , pp. 58-62
    • Baars, B.J.1
  • 65
    • 0031157258 scopus 로고    scopus 로고
    • Some essential differences between consciousness and attention, perception, and working memory
    • Baars B.J. Some essential differences between consciousness and attention, perception, and working memory. Conscious. Cogn. 1997, 6:363-371.
    • (1997) Conscious. Cogn. , vol.6 , pp. 363-371
    • Baars, B.J.1
  • 66
    • 39249084459 scopus 로고    scopus 로고
    • Consciousness, accessibility, and the mesh between psychology and neuroscience
    • discussion 499-548
    • Block N. Consciousness, accessibility, and the mesh between psychology and neuroscience. Behav. Brain Sci. 2007, 30:481-499. discussion 499-548.
    • (2007) Behav. Brain Sci. , vol.30 , pp. 481-499
    • Block, N.1
  • 67
    • 41449096902 scopus 로고    scopus 로고
    • Are there multiple visual short-term memory stores?
    • Sligte I.G., et al. Are there multiple visual short-term memory stores?. PLoS ONE 2008, 3:e1699.
    • (2008) PLoS ONE , vol.3 , pp. e1699
    • Sligte, I.G.1
  • 68
    • 84859527994 scopus 로고    scopus 로고
    • Kinds of access: different methods for report reveal different kinds of metacognitive access
    • Overgaard M., Sandberg K. Kinds of access: different methods for report reveal different kinds of metacognitive access. Philos. Trans. R. Soc. Lond. B: Biol. Sci. 2012, 367:1287-1296.
    • (2012) Philos. Trans. R. Soc. Lond. B: Biol. Sci. , vol.367 , pp. 1287-1296
    • Overgaard, M.1    Sandberg, K.2
  • 69
    • 0034213053 scopus 로고    scopus 로고
    • Low-level memory processes in vision
    • Magnussen S. Low-level memory processes in vision. Trends Neurosci. 2000, 23:247-251.
    • (2000) Trends Neurosci. , vol.23 , pp. 247-251
    • Magnussen, S.1
  • 70
    • 77951640466 scopus 로고    scopus 로고
    • Optimizing subjective measures of consciousness
    • discussion 685-686
    • Overgaard M., et al. Optimizing subjective measures of consciousness. Conscious. Cogn. 2010, 19:682-684. discussion 685-686.
    • (2010) Conscious. Cogn. , vol.19 , pp. 682-684
    • Overgaard, M.1


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