Disabled readers suffer from visual and auditory impairments but not from a specific magnocellular deficit

Brain

Volumn 125, Issue 10, 2002, Pages 2272-2285

  Amitay, Sygal ^a,b   Ben Yehudah, Gal ^a   Banai, Karen ^a   Ahissar, Merav ^a  

^a HEBREW UNIVERSITY OF JERUSALEM   (Israel)

^b MRC INSTITUTE OF HEARING RESEARCH   (United Kingdom)

Author keywords

Coherent motion; Contrast sensitivity; Magnocellular; Reading disability; Temporal processing

Indexed keywords

ADULT; ARTICLE; COGNITION; CONTRAST SENSITIVITY; CONTROLLED STUDY; DYSLEXIA; FEMALE; HUMAN; HYPOACUSIS; MAGNOCELLULAR NUCLEUS; MAJOR CLINICAL STUDY; MALE; PRIORITY JOURNAL; PSYCHOPHYSIOLOGY; SCORING SYSTEM; SPATIAL DISCRIMINATION; THEORY; VALIDATION PROCESS; VISUAL IMPAIRMENT;

EID: 0036789304     PISSN: 00068950     EISSN: None     Source Type: Journal    
DOI: 10.1093/brain/awf231     Document Type: Article

References (58)

1. Ahissar M, Protopapas A, Reid M, Merzenich MM. Auditory processing parallels reading abilities in adults. Proc Natl Acad Sci USA 2000; 97: 6832-7.
2. Amitay S, Ahissar M, Nelken I. Auditory processing deficits in reading disabled adults. J Assoc Res Otolaryngol. In press 2002.
3. Ben-Yehudah G, Sackett E, Malchi-Ginzberg L, Ahissar M. Impaired temporal contrast sensitivity in dyslexics is specific to retain-and-compare paradigms. Brain 2001; 124: 1381-95.
4. Borsting E, Ridder WH 3rd, Dudeck K, Kelley C, Matsui L, Motoyama J. The presence of a magnocellular defect depends on the type of dyslexia. Vision Res 1996; 36: 1047-53.
5. Britten KH, Shadlen MN, Newsome WT, Movshon JA. The analysis of visual motion: a comparison of neuronal and psychophysical performance. J Neurosci 1992; 12: 4745-65.
6. Carey DP. Eye-hand coordination: eye to hand or hand to eye? [Review]. Curr Biol 2000; 10: R416-9.
7. Cornelissen P. Fixation, contrast sensitivity and children's reading. In: Wright SF, Groner R, editors. Facets of dyslexia and its remediation. Amsterdam: Elsevier, 1993. p. 139-62.
8. Cornelissen PL, Hansen PC, Gilchrist I, Cormack F, Essex J, Frankish C. Coherent motion detection and letter position encoding. Vision Res 1998; 38: 2181-91.
9. Demb JB, Boynton GM, Best M, Heeger DJ. Psychophysical evidence for a magnocellular pathway deficit in dyslexia. Vision Res 1998a; 38: 1555-9.
10. Demb JB, Boynton GM, Heeger DJ. Functional magnetic resonance imaging of early visual pathways in dyslexia. J Neurosci 1998b; 18: 6939-51.
11. 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: 66-9.
12. Evans BJ, Drasdo N, Richards IL. An investigation of some sensory and refractive visual factors in dyslexia. Vision Res 1994; 34: 1913-26.
13. Gottardo A, Siegel LS, Stanovich KE. The assessment of adults with reading disabilities: what can we learn from experimental tasks? J Res Reading 1997; 20: 42-54.
14. Greenlee MW, Magnussen S, Reinvang I. Brain regions involved in spatial frequency discrimination: evidence from fMRI. Exp Brain Res 2000; 132: 399-403.
15. Gross-Glenn K, Skottun BC, Glenn W, Kushch A, Lingua R, Dunbar M, et al. Contrast sensitivity in dyslexia. Vis Neurosci 1995; 12: 153-63.
16. Hari R, Renvall H. Impaired processing of rapid stimulus sequences in dyslexia. Trends Cogn Sci 2001; 5: 525-32.
17. Hari R, Valta M, Uutela K. Prolonged attentional dwell time in dyslexic adults. Neurosci Lett 1999; 271: 202-4.
18. Hari R, Renvall H, Tanskanen T. Left minineglect in dyslexic adults. Brain 2001; 124: 1373-80.
19. Hill NI, Bailey PJ, Griffiths YM, Snowling MJ. Frequency acuity and binaural masking release in dyslexic listeners. J Acoust Soc Am 1999; 106: L53-8.
20. Kaufman AS. Assessing adolescent and adult intelligence. Boston: Allyn and Bacon; 1990. p. 407-12.
21. Levitt H. Transformed up-down methods in psychoacoustics. J Acoust Soc Am 1971; 49: 467-77.
22. Livingstone MS, Rosen GD, Drislane FW, Galaburda AM. Physiological and anatomical evidence for a magnocellular deficit in developmental dyslexia. Proc Natl Acad Sci USA 1991; 88: 7943-7.
23. Maunsell JH, Nealey TA, DePriest DD. Magnocellular and parvocellular contributions to responses in the middle temporal visual area (MT) of the macaque monkey. J Neurosci 1990; 10: 3323-34.
24. Merigan WH, Maunsell JH. Macaque vision after magnocellular lateral geniculate lesions. Vis Neurosci 1990; 5: 347-52.
25. Merigan WH, Maunsell JH. How parallel are the primate visual pathways? [Review]. Annu Rev Neurosci 1993; 16: 369-402.
26. Merigan WH, Byrne CE, Maunsell JH. Does primate motion perception depend on the magnocellular pathway? J Neurosci 1991; 11: 3422-9.
27. Newsome WT, Pare EB. A selective impairment of motion perception following lesions of the middle temporal visual area (MT). J Neurosci 1988; 8: 2201-11.
28. Nicolson RI, Fawcett AJ, Dean P. Time estimation deficits in developmental dyslexia: evidence of cerebellar involvement. Proc R Soc Lond B Biol Sci 1995; 259: 43-7.
29. Paulesu E, Demonet J-F, Fazio F, McCrory E, Chanoine V, Brunswick N, Cappa SF, et al. Dyslexia: cultural diversity and biological unity. Science 2001; 291: 2165-7.
30. Peli E, Garcia-Perez MA. Contrast sensitivity in dyslexia: deficit or artifact? Optom Vis Sci 1997; 74: 986-90.
31. Pennington BF, Van Orden GC, Smith SD, Green PA, Haith MM. Phonological processing skills and deficits in adult dyslexics. Child Dev 1990; 61: 1753-78.
32. Rack J. Issues in the assessment of developmental dyslexia in adults: theoretical and applied perspectives. J Res Reading 1997; 20: 66-76.
33. Ramus F. Dyslexia: talk of two theories. Nature 2001; 412: 393-5.
34. Ridder WH 3rd, Borsting E, Cooper M, McNeel B, Huang E. Not all dyslexics are created equal. Optom Vis Sci 1997; 74: 99-104.
35. Shaywitz SE. Dyslexia. [Review]. New Engl J Med 1998; 338: 307- 12.
36. Sheppard DM, Bradshaw JL, Mattingley JB, Lee P. Effects of stimulant medication on the lateralisation of line bisection judgements of children with attention deficit hyperactivity disorder. J Neurol Neurosurg Psychiatry 1999; 66: 57-63.
37. Skottun BC. The magnocellular deficit theory of dyslexia: the evidence from contrast sensitivity. [Review]. Vision Res 2000a; 40: 111-27.
38. Skottun BC. On the conflicting support for the magnocellular-deficit theory of dyslexia: response to Stein, Talcott and Walsh (2000). Trends Cogn Sci 2000b; 4: 211-2.
39. Slaghuis WL, Ryan JF. Spatio-temporal contrast sensitivity, coherent motion, and visible persistence in developmental dyslexia. Vision Res 1999; 39: 651-68.
40. Spinelli D, Angelelli P, De Luca M, Di Pace E, Judica A, Zoccolotti P. Developmental surface dyslexia is not associated with deficits in the transient visual system. [Review]. Neuroreport 1997; 8: 1807-12.
41. Stein J, Walsh V. To see but not to read: the magnocellular theory of dyslexia. Trends Neurosci 1997; 20: 147-52.
42. Stein J, Talcott J. Impaired neuronal timing in developmental dyslexia-the magnocellular hypothesis. Dyslexia 1999; 5: 59-77.
43. Stein J, Talcott J, Walsh VV. Controversy about the visual magnocellular deficit in developmental dyslexics. Trends Cogn Sci 2000; 4: 209-11.
44. Stuart GW, McAnally KI, Castles A. Can contrast sensitivity functions in dyslexia be explained by inattention rather than a magnocellular deficit? [Review]. Vision Res 2001; 41: 3205-11.
45. Talcott JB, Hansen PC, Willis-Owen C, McKinnell IW, Richardson AJ, Stein JF. Visual magnocellular impairment in adult developmental dyslexics. Neuroophthalmology 1998; 20: 187-201.
46. Talcott JB, Witton C, McLean MF, Hansen PC, Rees A, Green GG, et al. Dynamic sensory sensitivity and children's word decoding skills. Proc Natl Acad Sci USA 2000; 97: 2952-7.
47. Tallal P, Galaburda AM, Llinas RR, von Euler C, editors. Temporal information processing in the nervous system: special reference to dyslexia and dysphasia. Ann NY Acad Sci 1993; 682: 1-442.
48. Tootell RB, Reppas JB, Kwong KK, Malach R, Born RT, Brady TJ, et al. Functional analysis of human MT and related visual cortical areas using magnetic resonance imaging. J Neurosci 1995; 15: 3215-30.
49. van Donkelaar P, Lee JH, Drew AS. Transcranial magnetic stimulation disrupts eye-hand interactions in the posterior parietal cortex. J Neurophysiol 2000; 84: 1677-80.
50. Vanni S, Uusitalo MA, Kiesila P, Hari R. Visual motion activates V5 in dyslexics. Neuroreport 1997; 8: 1939-42.
51. 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: 939-46.
52. Vidyasagar TR. From attentional gating in macaque primary visual cortex to dyslexia in humans. [Review]. Prog Brain Res 2001; 134: 297-312.
53. Vidyasagar TR, Pammer K. Impaired visual search in dyslexia relates to the role of the magnocellular pathway in attention. Neuroreport 1999; 10: 1283-7.
54. Walther-Müller PU. Is there a deficit of early vision in dyslexia? Perception 1995; 24: 919-36.
55. Watson JD, Myers R, Frackowiak RS, Hajnal JV, Woods RP, Mazziotta JC, et al. Area V5 of the human brain: evidence from a combined study using positron emission tomography and magnetic resonance imaging. Cereb Cortex 1993; 3: 79-94.
56. Wechsler D. WAIS-III-Administration and Scoring Manual. San Antonio: The Psychological Corporation; 1997.
57. Witton C, Talcott JB, Hansen PC, Richardson AJ, Griffiths TD, Rees A, et al. Sensitivity to dynamic auditory and visual stimuli predicts nonword reading ability in both dyslexic and normal readers. Curr Biol 1998; 8: 791-7.
58. Zatorre RJ, Mondor TA, Evans AC. Auditory attention to space and frequency activates similar cerebral systems. Neuroimage 1999; 10: 544-54.