Dorsal stream deficits suggest hidden dyslexia among deaf poor readers: Correlated evidence from reduced perceptual speed and elevated coherent motion detection thresholds

Brain and Cognition

Volumn 58, Issue 3, 2005, Pages 300-311

  Samar, Vincent J ^a,b   Parasnis, Ila ^a  

^a ROCHESTER INSTITUTE OF TECHNOLOGY   (United States)

^b UNIVERSITY OF ROCHESTER MEDICAL CENTER   (United States)

Author keywords

Coherent motion; Deaf; Dorsal stream; Dyslexia; Magnocellular; MT; Reading

Indexed keywords

ADULT; ARTICLE; COGNITION; CONTROLLED STUDY; CORRELATION ANALYSIS; DYSLEXIA; HEARING IMPAIRMENT; HUMAN; HUMAN EXPERIMENT; INTELLIGENCE QUOTIENT; MOVEMENT PERCEPTION; NORMAL HUMAN; PRIORITY JOURNAL; PSYCHOMETRY; READING; SCORING SYSTEM; VISUAL FIELD;

ADOLESCENT; ADULT; BRAIN; DEAFNESS; DYSLEXIA; EVOKED POTENTIALS, VISUAL; FUNCTIONAL LATERALITY; HUMANS; MOTION PERCEPTION; PERCEPTUAL DISORDERS; PSYCHOMETRICS; PSYCHOPHYSICS; STATISTICS; VISUAL FIELDS; VISUAL PERCEPTION;

EID: 20444378138     PISSN: 02782626     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.bandc.2005.02.004     Document Type: Article

References (50)

1. D. Bavelier, C. Brozinsky, A. Tomann, T. Mitchell, H. Neville, and G. Liu Impact of early deafness and early exposure to sign language on the cerebral organization for motion processing The Journal of Neuroscience 15 21 2001 8931 8942
2. J.H. Bochner English in the deaf population D.G. Sims G.G. Walter R.L. Whitehead Deafness and communication: Assessment and training 1982 Williams and Wilkins Baltimore 107 123
3. Bochner, J. H., & Walter, G. (2004). English language and literacy skills as predictors of academic readiness in post secondary programs for deaf students. Technical Report. National Technical Institute for the Deaf, Rochester, NY
4. R.G. Bosworth, and K.R. Dobkins Visual field asymmetries for motion processing in deaf and hearing signers Brain and Cognition 49 2002 170 181
5. O. Braddick, and N. Qian The organization of global motion and transparency J.M. Zanker J. Zeil Motion vision-Computational, neural, and ecological constraints 2001 Springer-Verlag Berlin
6. D.H. Brainard The psychophysics toolbox Spatial Vision 10 1997 433 436
7. C. Chase, and A.R. Jenner Magnocellular visual deficits affect temporal processing of dyslexics P. Tallal A. Galaburda C. Von Euler Temporal information processing in the nervous system: Special reference to dyslexia and dysphasia 1993 New York Academy of Sciences New York 1 2
8. P.L. Cornelissen, and P.C. Hansen Motion detection, letter position encoding, and single word reading Annals of Dyslexia 48 1998 155 188
9. C. Darves, and H. Neville Two sides of neural plasticity in the dorsal visual pathway: Evidence from deaf, dyslexic, and control adults Cognitive Neuroscience Society 11 2003 117
10. M.B. Denckla, and R.G. Rudel Rapid automatized names (RAN): Dyslexia differentiated from other learning disabilities Neuropsychologia 14 1976 471 479
11. J.B. Demb, G.M. Boynton, M. Best, and D.J. Heeger Psychophysical evidence for a magnocellular pathway deficit in dyslexia Vision Research 38 1998 1555 15559
12. J.B. Demb, G.M. Boynton, and D.J. Heeger Functional magnetic resonance imaging of early visual pathways in dyslexia Journal of Neuroscience 18 1998 6939 6951
13. G. Eden, J.M. Rumsey, J.M. Masog, T.A. Zeffiro, J.W. VanMeter, and R. Woods Abnormal processing of visual motion processing in dyslexia revealed by functional brain imaging Nature 382 1997 66 69
14. A. Fawcett, R.I Nicholson, and P. Dean Impaired performance of children with dyslexia on a range of cerebellar tasks Annals of Dyslexia 46 1996 259 283
15. E.M. Finney, and K.R. Dobkins Visual contrast sensitivity in deaf versus hearing populations: Exploring the perceptual consequences of auditory deprivation and experience with visual language Cognitive Brain Research 11 2001 171 183
16. A.M. Galaburda, G.D. Rosen, and G.F. Sherman The neural origin of developmental dyslexia: Implications for medicine, neurology, and cognition A.M. Galaburda From reading to neurons 1989 MIT Press Cambridge, MA 377 388
17. D.D. Hammill, N.A. Pearson, and J.L. Wiederholt Comprehensive test of non verbal intelligence 1996 PRO-ED Austin, TX
18. Hutton, S. G. (1973). Reading difficulty: Early and economic identification of children at risk. Unpublished doctoral dissertation, University of Capetown, South Africa
19. ISO 7029. (1984). Acoustics-threshold of hearing by air conduction as function of age and sex for otologically normal persons. Geneva: International Organization for Standardization
20. W.F. Katz, S. Curtiss, and P. Tallal Rapid automatized naming and gesture by normal and language impaired children Brain and Language 43 1992 623 641
21. C.J. LaSasso Speaking of learning disabilities, "Whatever happened to Erin?" Perspectives 11 2 1992 2 6
22. J. Leybaert Reading in the deaf: The roles of phonological codes M. Marschark M.D. Clark Psychological perspectives on deafness 1993 Lawrence Erlbaum Hillsdale, NJ 269 309
23. W. Newsome, and E. Pare A selective impairment of motion processing following lesions of the middle temporal visual area (MT) Journal of Neuroscience 8 1988 2201 2211
24. I. Parasnis, and V. Samar Parafoveal attention in congenitally deaf and hearing young adults Brain and Cognition 4 1985 313 327
25. I. Parasnis, V.J. Samar, J. Betger, and K. Sathe Does deafness lead to enhancement of visual spatial cognition in children? Negative evidence from deaf non-signers Journal of Deaf Studies and Deaf Education 1 1996 145 152
26. P.V. Paul, and S.P. Quigley Language and deafness 2nd ed. 1994 Singular Publishing Group San Diego, CA
27. D.G. Pelli The VideoToolbox software for visual psychophysics: Transforming numbers into movies Spatial Vision 10 1997 437 442
28. A. Powers, R. Elliot, D. Fairbank, and C. Monagham The dilemma of identifying learning disabled hearing impaired students The Volta Review 90 1988 209 218
29. F.H. Previc Functional specialization in the lower and upper visual fields in humans: Its ecological origins and neurophysiological implications Behavioral and Brain Sciences 13 1990 519 575
30. J. Proksch, and D. Bavelier Changes in the spatial distribution of visual attention after early deafness Journal of Cognitive Neuroscience 14 2002 687 701
31. P. Rush, and C. Baechle Learning disabilities and deafness: An emerging field Gallaudet Today 1992 20 26
32. J.S. Rutkowski, D.P. Crewther, and S.G. Crewther Normal readers have an upper visual field advantage in change detection Clinical and Experimental Opthalmology 3 2002 227 330
33. V.J. Samar, I. Parasnis, and G.P. Berent Deaf poor readers' pattern reversal visual evoked potentials suggest magnocellular system deficits: Implications for diagnostic neuroimaging of dyslexia in deaf individuals Brain and Language 80 2002 21 44
34. V.J. Samar, I. Parasnis, and G.P. Berent Learning disabilities, attention deficit disorders, and deafness M. Marschark D. Clark Psychological perspectives on deafness Vol. 2 1998 Lawrence Erlbaum Mahwah, NJ 199 242
35. G. Schulte-Korne, J. Bartling, W. Deimel, and H. Remschmidt Visual evoked potentials elicited by coherent moving dots in dyslexic children Neuroscience Letters 357 2004 207 210
36. L.S. Siegel Evidence that IQ scores are irrelevant to the definition and analysis of reading disability Canadian Journal of Psychology 42 1988 201 215
37. A. Smith Symbol Digit Modalities Test 1995 Western Psychological Services Los Angeles, California
38. K.E. Stanovich, and L.S. Siegel Phenotypic performance profile of children with reading disabilities: A regression-based test of the phonological-core variable-difference model Journal of Educational Psychology 86 1994 24 53
39. J. Stein The magnocellular theory of developmental dyslexia Dyslexia 7 2001 12 36
40. J. Stein, and J. Talcott Impaired neuronal timing in developmental dyslexia: The magnocellular hypothesis Dyslexia 5 1999 59 77
41. J. Stein, and V. Walsh To see but not to read: The magnocellular theory of dyslexia Trends in Neuroscience 20 1997 147 152
42. J.B. Talcott, P.C. Hansen, C. Willis-Owen, I.W. McKinnell, A.J. Richardson, and J.F. Stein Visual magnocellular deficits in adult developmental dyslexics Neuro-Ophthalmology 20 1998 187 201
43. J.B. Talcott, P.C. Hansen, E.L. Assoku, and J.F. Stein Visual motion sensitivity in dyslexia: Evidence for temporal and energy integration deficits Neuropsychologia 38 2000 935 943
44. J.B. Talcott, C. Witton, P.C. Hansen, A. Rees, G.G.R. Green, and J.F. Stein Dynamic sensory sensitivity and children's word decoding skills Proceedings of the National Academy of Sciences of the United States of America 97 2000 2952 2957
45. E. Tiegs, and W. Clark California achievement tests 1963 College Hill San Diego, CA
46. M. Wolf Naming speed and reading: The contribution of the cognitive neurosciences Reading Research Quarterly 26 1991 123 141
47. F.R. Vellutino, J.M. Fletcher, M.J. Snowling, and D.M. Scanlon Specific reading disability (dyslexia): What have we learned in the past four decades? Journal of Child Psychology and Psychiatry 45 1 2004 2 40
48. M. Wainwright, M.J. Wright, G.M. Geffen, L.B. Geffen, M. Luciano, and N.G. Martin Genetic and environmental sources of covariance between reading tests used in neuropsychological assessment and IQ subtests Behavior Genetics 34 4 2004 265 376
49. M. Wolf What time may tell: Toward a new conceptualization of developmental dyslexia Annals of Dyslexia 49 1999 3 28
50. M. Wolf Dyslexia, fluency, and the brain 2001 York Press Timonium, MD