Neural underpinnings of dyslexia as a disorder of visuo-spatial attention

Clinical and Experimental Optometry

Volumn 87, Issue 1, 2004, Pages 4-10

  Vidyasagar, Trichur R ^a  

^a UNIVERSITY OF MELBOURNE   (Australia)

Author keywords

Attention; Dyslexia; Magnocellular

Indexed keywords

ATTENTION; DEPTH PERCEPTION; DYSLEXIA; HUMAN; PATHOLOGY; PERCEPTION DISORDER; REVIEW; VISION; VISUAL SYSTEM;

ATTENTION; DYSLEXIA; HUMANS; PERCEPTUAL DISORDERS; SPACE PERCEPTION; VISUAL PATHWAYS; VISUAL PERCEPTION;

EID: 1642618434     PISSN: 08164622     EISSN: 14440938     Source Type: Journal    
DOI: 10.1111/j.1444-0938.2004.tb03138.x     Document Type: Review

References (87)

1. Habib M. The neurological basis of developmental dyslexia: an overview and working hypothesis. Brain 2000;123:2373-2399.
2. Stein JF. Vision and Visual Dyslexia, Vol 13, Vision and Visual Dysfunction. London: MacMillan Press, 1991.
3. Lovegrove WJ, Bwoling A, Badcock B, Blackwood M. Specific reading disability: differences in contrast sensitivity as a function of spatial frequency. Science 1980;210:439-440.
4. Livingstone M, Hubel D. Segregation of form, color, movement, and depth: anatomy, physiology and perception. Science 1988;240:740-749.
5. Calloway EM. Local circuits in primary visual cortex of the macaque monkey. Annu Rev Neurosci 1998;21:47-74.
6. Merigan WH, Maunsell JH. How parallel are the primate visual pathways? Annu Rev Neurosci 1993;16:369-402.
7. Sclar G, Maunsell JH, Lennie P. Coding of image contrast in central visual pathways of the macaque monkey. Vision Res 1990;30:1-10.
8. Kaplan E, Lee BB, Shapley RM. New views of primate retinal function. Prog Ret Res 1990;9:273-336.
9. Lovegrove W, Slaghuis W, Bowling A, Nelson P, Geeves E. Spatial frequency processing and the prediction of reading ability: a preliminary investigation. Percept Psychophys 1986;40:440-444.
10. Lovegrove WJ, Garzia RP, Nicholson SB. Experimental evidence for a transient system deficit in specific reading disability. J Am Optom Assoc 1990;61:137-146.
11. Borsting E, Ridder WH, Dudeck K, Kelley C, Matsui L, Motoyama J. The presence of a magnocellular defect depends on the type of dyslexia. Vision Res 1996;36:1047-1053.
12. Livingstone MS, Rosen GD, Drislane FW, Galaburda AM. Physiological and anatomical evidence for a magnocellular defect in developmental dyslexia. Proc Natl Acad Sci USA 1991;88:7943-7947.
13. Cornelissen P, Richardson A, Mason A, Fowler S, Stein J. Contrast sensitivity and coherent motion detection measured at photopic luminance levels in dyslexics and controls. Vision Res 1995;35:1483-1494.
14. Cornelissen PL, Hansen PC, Hutton JL, Evangelinou V, Stein JF. Magnocellular visual function and children's single word reading. Vision Res 1998;38:471-482.
15. Eden GF, VanMeter JW, Rumsey JM, Maisog JM, Woods RP, Zeffiro TA. Abnormal processing of visual motion in dyslexia revealed by functional brain imaging. Nature 1996;382:66-69.
16. Demb JB, Boynton GM, Heeger DJ. Functional magnetic resonance imaging of early visual pathways in dyslexia. J Neurosci 1998;18:6939-6951.
17. Skottun BC. The magnocellular deficit theory of dyslexia: the evidence from contrast sensitivity. Vision Res 2000;40:111-127.
18. Amitay S, Ben-Yehudah G, Banai K, Ahissar M. Disabled readers suffer from visual and auditory impairments but not from a specific magnocellular deficit. Brain 2002;125:2272-2285.
19. Barnard N, Crewther SG, Crewther DP. Development of a magnocellular function in good and poor primary school-age readers. Optom Vis Sci 1998;75:62-68.
20. Victor JD, Conte MM, Burton L, Nass RD. Visual evoked potentials in dyslexics and normals: failure to find a difference in transient or steady-state responses. Vis Neurosci 1993;10:939-946.
21. Vanni S, Uusitalo MA, Kiesila P, Hari R. Visual motion activates V5 in dyslexics. Neuroreport 1997;8:1939-1942.
22. Stuart GW, McAnally KI, Castles A. Can contrast sensitivity functions in dyslexia be explained by inattention rather than a magnocellular deficit? Vision Res 2001;41:3205-3211.
23. Breitmeyer BG. Unmasking visual masking: a look at the 'why' behind the veil of the 'how'. Psychol Rev 1980;87:52-69.
24. Burr DC, Morrone MC, Ross J. Selective suppression of the magnocellular visual pathway during saccadic eye movements. Nature 1994;371:511-513.
25. Boussaoud D, Desimone R, Ungerleider LG. Visual topography of area TEO in the macaque. J Comp Neurol 1991;306:554-575.
26. Hubel DH, Wiesel TN. Receptive fields and functional architecture of monkey striate cortex. J Physiol 1968;195:215-243.
27. Rubino CA, Minden HA. An analysis of eyemovements in children with a reading disability. Cortex 1973;9:217-220.
28. Rayner K. Eye movements in reading and information processing. Psychol Bull 1978;85:618-660.
29. Elterman RD, Abel LA, Daroff RB, Dell'Osso LF, Bornstein JL. Eye movement patterns in dyslexic children. J Learn Disabil 1980;13:16-21.
30. Pavlidis GT. Do eye movements hold the key to dyslexia? Neuropsychologia 1981;19:57-64.
31. Cohen AH. The efficacy of optometric vision therapy. J Am Optom Assoc 1988;59:95-105.
32. Rayner K. Do faulty eye movements cause dyslexia? Dev Neuropsychol 1985;1:3-5.
33. Rayner K, Pollatsek A. The psychology of reading. Englewood Cliffs, NJ: Prentice-Hall; 1989.
34. Morris RK, Rayner K, Pollatsek A. Eye movement guidance in reading: the role of parafoveal letter and space information. J Exp Psychol Hum Percept Perform 1990;16:268-281.
35. Vidyasagar TR. A neuronal model of attentional spotlight: Parietal guiding the temporal. Brain Res Rev 1999;30:66-76.
36. Boder E. Developmental dyslexia: Prevailing diagnostic concepts and a new diagnostic approach. In: Myklebust H, ed. Progress in Learning Disabilities, 2nd ed. New York: Grune and Stratton; 1971.
37. Coltheart M. Lexical access in simple reading tasks. In: Underwood G, ed. Strategies in Information Processing. London: Academic Press; 1978.
38. Treisman AM, Gelade G. A feature-integration theory of attention. Cognit Psychol 1980;12:97-136.
39. Treisman AM. Features and objects: the fourteenth Bartlett memorial lecture. QJ Exp Psychol 1988; A 40: 201-237.
40. Wolfe JM. Guided search 2.0 a revised model of visual search. Psychonomic Bull Rev 1994;1:202-238.
41. Motter BC. Focal attention produces spatially selective processing in visual cortical areas V1, V2, and V4 in the presence of competing stimuli. J Neurophysiol 1993;70:909-919.
42. Vidyasagar TR. Gating of neuronal responses in macaque primary visual cortex by an attentional spotlight. Neuroreport 1998;9:1947-1952.
43. Brefczynski JA, DeYoe EA. A physiological correlate of the 'spotlight' of visual attention. Nat Neurosci 1999;2:370-374.
44. Somers DC, Dale AM, Seiffert AE, Tootell RB. Functional MRI reveals spatially specific attentional modulation in human primary visual cortex. Proc Natl Acad Sci USA. 1999;96:1663-1668.
45. Martinez A, Anllo-Vento L, Sereno MI, Frank LR, Buxton RB, Dubowitz DJ, Wong EC, Hinrichs H, Heinze HJ, Hillyard SA. Involvement of striate and extrastriate visual cortical areas in spatial attention. Nat Neurosci 1999;2:364-369.
46. Martinez A, DiRusso F, Anllo-Vento L, Sereno MI, Buxton RB, Hillyard SA. Putting spatial attention on the map: timing and localization of stimulus selection processes in striate and extrastriate visual areas. Vision Res 2001; 41:1437-1457.
47. Gandhi SP, Heeger DJ, Boynton GM. Spatial attention affects brain activity in human primary visual cortex. Proc Nat Acad Sci USA 1999;96:3314-3319.
48. Horowitz TS, Wolfe JM. Visual search has no memory. Nature 1998;394:575-577.
49. Wolfe JM, Alvarez GA, Horowitz TS. Attention is fast but volition is slow. Nature 2000;406:691.
50. Pammer K, Wheatley C. Isolating the M (y)-cell response in dyslexia using the spatial frequency doubling illusion. Vision Res 2001;41:2139-2147.
51. Williams MC, Bologna NB. Perceptual grouping in good and poor readers. Percept Psychophys 1985;38:67-74.
52. Brannan JR, Williams MC. Allocation of visual attention in good and poor readers. Percept Psychophys 1987;41:23-28.
53. Geiger G, Lettvin JY. Peripheral vision in persons with dyslexia. N Engl J Med 1987;316:1238-1243.
54. Geiger G, Lettvin JY, Fahle M. Dyslexic children learn a new visual strategy for reading: a controlled experiment. Vision Res 1994;34:1223-1233.
55. Ravner K, Murphy L, Henderson J, Pollatsek A. Selective attentional dyslexia. Cogn Neuropsychol 1989;6:357-378.
56. Ackerman PT, Dykman RA, Gardner MY. Counting rate, naming rate, phonological sensitivity, and memory span: major factors in dyslexia. J Learn Disabil 1990;23:319-327.
57. Ackerman PT, Dykman RA, Gardner MY. ADD students with and without dyslexia differ in sensitivity to rhyme and alliteration. J Learn Disabil 1990;23:279-283.
58. August GJ, Garfinkel BD. Comorbidity of ADHD and reading disability among clinicreferred children. J Abnorm Child Psychol 1990;18:29-45.
59. Facoetti A, Paganoni P, Turatto M, Marzola V, Mascetti GG. Visual-spatial attention in developmental dyslexia. Cortex 2000;36:109-123.
60. Steinman SB, Steinman BA. Vision and attention. I: Current models of visual attention. Optom Vis Sci 1998;75:146-155.
61. Steinman SB, Steinman BA, Garzia RP. Vision and attention. II: Is visual attention a mechanism through which a deficient magnocellular pathway might cause reading disability? Optom Vis Sci 1998;75:674-681.
62. Vidyasagar TR. From attentional gating in macaque primary visual cortex to dyslexia in humans. Prog Brain Res 2001;134:297-312.
63. Schmidt WC, Klein RM. A spatial gradient of acceleration and temporal extension underlies three illusions of motion. Perception 1997;26:857-874.
64. Facoetti A, Paganoni P, Lorusso ML. The spatial distribution of visual attention in developmental dyslexia. Exp Brain Res 2000;132:531-538.
65. Facoetti A, Molteni M. The gradient of visual attention in developmental dyslexia. Neuropsychologia 2001;39:352-357.
66. Williams J. Educational treatments for dyslexia at the elementary and secondary levels. In: Bowler R, ed. Intimacy with Language: A Forgotten Basic in Teacher Education. Baltimore: The Orton Dyslexia Society; 1987.
67. Ruddock KH. Visual search in dyslexia. In: Cronly-Dillon JF, Stein JF, eds. Vision and Visual Dyslexia 1991;13:58-83.
68. Casco C, Prunetti E. Visual search of good and poor readers: effects with targets having single and combined features. Percept Mot Skills 1996;82:1155-1167.
69. Casco C, Tressoldi PE, Dellantonio A. Visual selective attention and reading efficiency are related in children. Cortex 1998;34:531-546.
70. Vidyasagar TR, Pammer K. Impaired visual search in dyslexia relates to the role of the magnocellular pathway in attention. Neuroreport 1999;10:1283-1287.
71. Riddell P, Fowler MS, Stein JF. Inaccurate visual localization in dyslexic children. Percept Motor Skills. In press.
72. Graves RE, Frerichs RJ, Cook JA. Visual localization in dyslexia. Neuropsychology 1999;13:575-581.
73. Gernsbacher MA. Less skilled readers have less efficient suppression mechanisms. Psychol Sci 1993;4:294-298.
74. Klein RM, D'Entremont B. Filtering performance by good and poor readers. In: Everatt J, ed. Reading and Dyslexia: Visual and Attentional Processes. Routledge, London: 1999; 163-178.
75. Hari R, Valta M, Uutela K. Prolonged attentional dwell time in dyslexic adults. Neurosci Lett 1999;271:202-204.
76. Stein J, Riddell P, Fowler S. Disordered right hemisphere function in developmental dyslexia. In: vonEuler C, Lundberg I, Lennerstrand G, eds. Brain and Reading. Basingstoke, UK: Macmillan Press; 1989.
77. Shallice T, Warrington EK. Single and multiple component central dyslexia syndromes. In: Coltheart M, Patterson K, Marshall JC, eds. Deep Dyslexia. London: Routledge and Kegan Paul; 1980.
78. Friedrich FJ, Walker JA, Posner MI. Effects of Parietal lesions on visual matching: implications for reading errors. Cog Neuropsychol 1985;2:253-264.
79. Polikoff BR, Evans BJ, Legg CR. Is there a visual deficit in dyslexia resulting from a lesion of the right posterior Parietal lobe? Ophthalmic Physiol Opt 1995;15:513-517.
80. Hari R, Renvall H, Tanskanen T. Left minineglect in dyslexic adults. Brain 2001;124:1373-1380.
81. Facoetti A, Turatto M. Asymmetrical visual fields distribution of attention in dyslexic children: a neuropsychological study. Neurosci Lett 2000;290:216-218.
82. Smania N, Martini MC, Gambina G, Tomelleri G, Palamara A, Natale E, Marzi CA. The spatial distribution of visual attention in hemineglect and extinction patients. Brain 1998;121:1759-1770.
83. Rutkowski JS, Crewther D P, Crewther SG. Change detection is impaired in children with dyslexia. J Vision 2003;3:95-105.
84. Beck DM, Rees G, Frith CD, Lavie N. Neural correlates of change detection and change blindness. Nat Neurosci 2001;4:645-650.
85. Shaywitz SE, Shaywitz BA, Pugh KR, Fulbright RK, Constable RT, Mencl WE, Shankweiler P, Liberman AM, Skudlarski P, Fletcher JM, Katz L, Marchione KE, Lacadie C, Gatenby KE, Gore JC. Functional disruption in the organization of the brain for reading in dyslexia. Proc Natl Acad Sci USA 1998;95:2636-2641.
86. Shaywitz BA, Shaywitz SE, Pugh KR, Mencl WE, Fulbright RK, Skudlarski P, Constable RT, Marchione KE, Fletcher JM, Lyon GR, Gore JC. Disruption of posterior brain systems for reading in children with developmental dyslexia. Biol Psych 2002;52:101-110.
87. Kiely PM, Crewther SG, Crewther DP. Is there an association between functional vision and learning to read? Clin Exp Optom 2001;84:346-353.