Cerebellar tasks do not distinguish between children with developmental dyslexia and children with intellectual disability

Child Neuropsychology

Volumn 13, Issue 5, 2007, Pages 389-407

  Savage, Robert ^a  

^a MCGILL UNIVERSITY   (Canada)

Author keywords

Cerebellar deficit; Discrepancy; Dyslexia; Intellectual disability; IQ; Learning disability

Indexed keywords

ADOLESCENT; ARTICLE; BODY EQUILIBRIUM; BODY POSTURE; CEREBELLUM; CHILD HEALTH; CLINICAL ARTICLE; COGNITION; CONTROLLED STUDY; DEVELOPMENTAL DISORDER; DYSLEXIA; FEMALE; HUMAN; INTELLECTUAL IMPAIRMENT; INTELLIGENCE QUOTIENT; INTELLIGENCE TEST; MALE; MOTOR PERFORMANCE; READING; SCHOOL CHILD; VERBAL BEHAVIOR;

ADOLESCENT; CEREBELLUM; CHILD; COGNITION; DYSLEXIA; FEMALE; HUMANS; INTELLIGENCE; INTELLIGENCE TESTS; LANGUAGE TESTS; MALE; MENTAL RETARDATION; MOTOR SKILLS DISORDERS; PHONETICS; POSTURE; PSYCHOMOTOR PERFORMANCE; QUEBEC; REACTION TIME; READING; TASK PERFORMANCE AND ANALYSIS; VOCABULARY;

EID: 34548507534     PISSN: 09297049     EISSN: 17444136     Source Type: Journal    
DOI: 10.1080/13825580600966375     Document Type: Article

References (76)

1. Adams, J. W., & Snowling, M. J. (2001). Executive function and reading impairments in children reported by their teachers as "hyperactive". British Journal of Developmental Psychology, 19, 293-306.
2. Anderson, M. (1992). Intelligence and development. Oxford: Blackwell.
3. Beaton, A. A. (2002). Dyslexia and the cerebellar deficit hypothesis. Cortex, 38, 479-490.
4. Bishop, D. V. M. (2002). Cerebellar abnormalities in developmental dyslexia: Cause correlate or consequence? Cortex, 38, 491-498.
5. Bowers, P. G. (1993). Text reading and rereading: Predictors of fluency beyond word recognition. Journal of Reading Behavior, 25, 133-153.
6. Bowey, J. A., McGuigan, M., & Ruschena, A. (2005). On the association between serial naming speed and word-reading skill: Towards a developmental account. Journal of Research in Reading, 28, 400-422.
7. Brown, B., Haegerstrom-Portnoy, G., Jingling, C. D., Herron, J., Galin, D., & Marcus, M. (1983). Dyslexic children have normal vestibular responses to rotation. Archives of Neurology, 40, 370-373.
8. Clarke, P., Hulme, C., & Snowling, M. (2005). Individual difference in RAN and reading: A response timing analysis. Journal of Research in Reading, 28, 73-86.
9. Dow, R. S., & Moruzzi, G. (1958). The physiology and pathology of the cerebellum. Minneapolis, MN: University of Minnesota Press.
10. Dunn, L. M., & Dunn, L. M. (1996). Peabody Picture Vocabulary Test, third edition. Circle Pines, MN: American Guidance Service.
11. Eckert, M. A., Leonard, C. M., Richards, T. L., Aylward, E. H., Thomson, J., & Berninger, V. W. (2003). Anatomical correlates of dyslexia: Frontal and cerebellar findings. Brain, 126, 482-494.
12. Ehri, L. C. (2005). Learning to read words: Theory, findings and issues. Scientific Studies of Reading, 9, 167-188.
13. Fawcett, A. (2001) (Ed.), Dyslexia: Theory and good practice. London: Whurr.
14. Fawcett, A. J., & Nicholson, R. I. (1996). Dyslexia Screening Test. London: The Psychological Corporation.
15. Fawcett, A. J., & Nicolson, R. I. (2001). Dyslexia: The role of the cerebellum. In A. J. Fawcett (Ed.), Dyslexia: Theory and good practice (pp. 89-105). London: Whurr.
16. Fawcett, A., Nicolson, R. I., & Maclagan, F. (2001). Cerebellar tests differentiate between groups of poor readers with and without IQ discrepancy. Journal of Learning Disabilities, 34, 119-135.
17. Finch, A. J., Nicolson, R. I., & Fawcett, A. J. (2002). Evidence of a neuroanatomical difference within the love-cerebellar pathway of adults with dyslexia. Cortex, 38, 529-539.
18. Gerstadt, C. L., Hong, Y. J., & Diamond, A. (1994). The relationship between cognition and action: Performance of children 2-7 years old on a Stroop-like day-night test. Cognition, 53, 129-153.
19. Gough, P. B., Ehri, L. C., & Treiman, R. (Eds.), (1992). Reading acquisition. Hillsdale, NJ: Erlbaum.
20. Hoskyn, M., & Swanson, H. L (2000). Cognitive processing of low achievers and children with reading disabilities: A selective meta-analytic review of the published literature. School Psychology Review, 29, 102-119.
21. Kail, R., & Hall, L. K. (1994). Processing speed, naming speed, and reading. Developmental Psychology, 30, 949-954.
22. Kazlaukaite, V., & Lynn, R. (2002). Two year test-retest reliability of the colored progressive matrices. Perceptual and Motor Skills, 95, 354.
23. Lyon, G. R. (1995). Toward a definition of dyslexia. Annals of Dyslexia, 45, 3-27.
24. Manly, T., Robertson, I. H., Anderson, V., & Nimmo-Smith, I. (1999). Test of Everyday Attention for Children (TEA-Ch). Bury St Edmunds, UK: Thames Valley Test Company.
25. McPhilips, M., Hepper, P. G., & Mulhern, G. (2000). Effects of replicating primary-reflex movements on specific reading difficulties in children: A randomized, double-blind controlled trial. The Lancet, 355, 537-541.
26. Närhi, V., Ahonen, T., Aro, M., Leppäsaari, T., Korhonen, T. T., Tolvanen, A., et al. (2004). Rapid serial naming: Relations between different stimuli and neuropsychological factors. Brain and Language, 92, 45-57.
27. Nation, K. (2005). Connections between language and reading in children with poor reading comprehension. In H. W. Catts & A. G. Kamhi (Eds.), The connection between language and reading disabilities (pp. 41-54). Mahwah, NJ: Lawrence Erlbaum Associates.
28. Nation, K., & Snowling, M. J. (1997). Assessing reading difficulties: The validity and utility of current measures of reading skill. British Journal of Educational Psychology, 67, 359-370.
29. Neale, M. D. (1997). Neale Analysis of Reading Ability, Second Revised British Edition. Windsor, UK: NFER-Nelson Education.
30. Nicolson, R. I., & Fawcett, A. J. (1990). Automaticity: A new framework for dyslexia research. Cognition, 35, 159-182.
31. Nicolson, R. I., & Fawcett, A. J. (1995). Dyslexia is more than a phonological disability. Dyslexia: An International Journal of Research and Practice, 1, 19-37.
32. Nicolson, R. I., & Fawcett, A. J. (1999). Developmental dyslexia: The role of the cerebellum. Dyslexia: An International Journal of Research and Practice, 1, 19-37.
33. Nicolson, R. I., & Fawcett, A. J. (2001). Dyslexia as a learning disability. In A. J. Fawcett (Ed.), Dyslexia: Theory & Good Practice (pp. 141-159). London: Whurr.
34. Passler, M. A., Isaac, W., & Hynd, G. W. (1985). Neuropsychological development of behaviour attributed to frontal lobe functioning in children. Developmental Neuropsychology, 1, 349-370.
35. Plewis, I. (1985). Analysing change. Chichester, UK: Wiley.
36. Purvis, K. L., & Tannock, R., (2000). Phonological processing, not inhibition differentiates ADHD and reading disability. Journal of the American Academy of Child and Adolescent Psychiatry, 39, 485-494.
37. Rack, J. (2003). The who, what, why and how of intervention programmes: Comments on the DDAT evaluation. Dyslexia: An International Journal of Research and Practice, 9, 137-139.
38. Rack, J. P., & Olson, R. K. (1993). Phonological deficits and individual differences in reading disability: Genetic and environmental influences. Developmental Review, 13, 269-278.
39. Rack, J. P., Snowling, M. J., & Olson, R. K. (1992). The nonword reading deficit in developmental dyslexia: A review. Reading Research Quarterly, 27, 29-53.
40. Ramus, F., Pidgeon, E., & Frith, U. (2003). The relationship between motor control and phonology in dyslexic children. Journal of Child Psychology and Psychiatry, 44, 712-722.
41. Raven, J., Raven, J. C., & Court, J. H. (1998). Coloured progressive matrices. Oxford: Oxford Psychologists Press.
42. Reason, R., Frederickson, N., Heffernan, M., Martin, C., & Woods, K. (1999). Dyslexia, Literacy and Psychological Assessment. Report by a working party of the Division of Educational and Child Psychology of the British Psychological Society. Leicester, UK: British Psychological Society.
43. Reynolds, D., Nicolson, R. I., & Hambly, H. (2003). Evaluation of an exercise-based treatment for children with reading disabilities. Dyslexia: An International Journal of Research and Practice, 9, 48-71.
44. Savage, R. S. (2001). The 'simple view' of reading: Some evidence and possible implications. Educational Psychology in Practice, 17, 17-33.
45. Savage, R. S. (2004). Motor skills, automaticity and dyslexia: A review of the research literature. Reading and Writing: An Interdisciplinary Journal, 17, 301-325.
46. Savage, R. S. (2006) Reading comprehension is not always the product of decoding and listening comprehension: Evidence from teenagers who are very poor readers. Scientific Studies of Reading, 10, 143-164.
47. Savage, R. S., & Carless, S. (2005). Learning Support Assistants can deliver effective reading interventions for 'at-risk' children. Educational Research, 47, 45-61.
48. Savage, R. S., Fredrickson, N., Goodwin, R., Patni, U., Smith, N., & Tuersley, L. (2005a). The relationship between rapid digit naming, phonological awareness, motor automaticity, and speech perception. Journal of Learning Disabilities, 38, 12-28.
49. Savage, R. S., Fredrickson, N., Goodwin, R., Patni, U., Smith, N., & Tuersley, L. (2005b). Evaluating current deficit theories of reading: The role of phonological processing, naming speed, balance automaticity, rapid perception and working memory. Perceptual and Motor Skills, 101, 345-361.
50. Savage, R. S., Cornish, K., Hollis J., & Manly, T. (in press). A double-dissociation between children's attention- and reading abilities on working memory, response inhibition and dual task performance. British Journal of Psychology.
51. Savage, R. S., & Fredrickson, N. (in press). Beyond phonology: What else is needed to describe the problems of poor readers and spellers? Journal of Learning Disabilities.
52. Siegel, L. S. (1989). IQ is irrelevant to the definition of learning disabilities. Journal of Learning Disabilities, 22, 469-478.
53. Siegel, L. S. (1993a). Phonological processing deficits as the basis of a reading disability. Developmental Review, 13, 246-257.
54. Siegel, L. S. (1993b). An evaluation of the discrepancy definition of dyslexia. Journal of Learning Disabilities, 25, 618-629.
55. Singleton, C., & Stuart, M. (2003). Measurement mischief: A critique of Reynolds, Nicolson & Hambly (2003). Dyslexia, 9, 151-160.
56. Snowling, M. J. & Hulme, C. (Eds.), (2005). The science of reading: A handbook. Oxford: Blackwell.
57. Stanovich. K. E. (1986). Matthew effect in reading: Some consequence of individual differences in the acquisition of literacy. Reading Research Quarterly, 21, 360-407.
58. Stanovich. K. E. (1988). The right and the wrong places to look for the cognitive locus of reading disability. Annals of Dyslexia, 38, 154-177.
59. Stanovich. K. E. (1991). Discrepancy definitions of reading disability: Has intelligence led us astray? Reading Research Quarterly, 24, 7-29.
60. Stanovich, K. E. (1993). A model for studies of reading disability. Developmental Review, 13, 225-245.
61. Stuebing, K. K., Fletcher, J. M., LeDoux, J. M., Lyon, G. R., Shaywitz, S. E., & Shaywitz, B. A. (2002). Validity of IQ-discrepancy classifications of reading disabilities: A meta-analysis. American Educational Research Journal, 39, 469-518.
62. Tabachnick, B. G., & Fidell, L. S. (2001). Using multivariate statistics, 4th ed. New York: Allyn & Bacon.
63. Van IJzendoorn, M. H. & Bus, A. G. (1994). Meta-analytic confirmation of the nonword reading deficit in developmental dyslexia. Reading Research Quarterly, 29, 267-275.
64. Vellutino, F. R. (1979). Dyslexia: Theory and research. Cambridge, MA: MIT Press.
65. Vernon, P. A. (Ed.,) (1987). Speed of information processing and Intelligence. New York: Ablex.
66. Wagner, R. K., Torgesen, J. K., Rashotte, C. A. (1999). Comprehensive Test of Phonological Processing. Austin, TX: PRO-ED, Inc.
67. Wechsler, D. (1991). The Wechsler Intelligence Scale for Children - third edition (WISC III). Toronto: The Psychological Corporation.
68. Wilkinson, G. S. (1993). The Wide Range Achievement Test. Wilmington, DE: Wide Range, Inc.
69. Willcutt, E. K., Pennington, B. F., Boada, R., Ogline, J. S., Tunick, R. A., Chabildas, N., et al., (2001). A comparison of the cognitive deficits in reading disability and attention-deficit/hyperactivity disorder. Journal of Abnormal Psychology, 110, 157-172.
70. Willcutt, E. K., Pennington, B. F., Olson, R. K., Chabildas, N., Hulslander, J. (2005). Neuropsychological analysis of comorbidity between reading disability and attention deficit hyperactivity disorder. Developmental Neuropsychology, 27, 1, 35-78.
71. Wimmer, H., Mayringer, H., & Raberger, T. (1999). Reading and dual-task balancing: Evidence against the automatization deficit explanation of developmental dyslexia. Journal of Learning Disabilities, 32, 473-478.
72. Wolf, M. (1991). Naming speed and reading: The contribution of the cognitive neurosciences. Reading Research Quarterly, 16, 123-141.
73. Wolf, M. & Bowers, P. (1999). The double deficit hypothesis for the developmental dyslexias. Journal of Educational Psychology, 91, 1-24.
74. Wolf, M., Bowers, P. G., & Biddle, K. (2000). Naming speed processes. Timing, and reading: A conceptual review. Journal of Learning Disabilities, 33, 387-407.
75. Wolf, M. & Bowers, P. (1999). The double deficit hypothesis for the developmental dyslexias. Journal of Educational Psychology, 91, 1-24.
76. Woodcock, R. W., McGrew, K. S., & Mather, N. (2001). Woodcock-Johnson III Tests of Achievement. Itasca, IL: Riverside Publishing.