Abstract:
:Livingstone et al. [Livingstone, M. S., Rosen, G. D., Drislane, F. W. and Galaburda, A. M. Physiological and anatomical evidence for a magnocellular defect in developmental dyslexia. Proceedings of the National Academy of Science U.S.A. 88, 7943-7947, 1991] presented evidence for a defect of the magnocellular visual processing stream in developmental dyslexia. We attempted to replicate this effect using transient and steady-state VEPs to checkerboard reversal stimuli in a group of adult developmental dyslexics. Several different reversal rates and contract levels were utilized. No differences were found between the dyslexic and control groups for the low-contrast, rapidly reversing patterns, nor for any combination of stimulus rate or contrast that was tested. Thus, these findings do not support a magnocellular processing deficit in developmental dyslexia.
journal_name
Neuropsychologiajournal_title
Neuropsychologiaauthors
Johannes S,Kussmaul CL,Münte TF,Mangun GRdoi
10.1016/0028-3932(96)00026-7subject
Has Abstractpub_date
1996-11-01 00:00:00pages
1123-7issue
11eissn
0028-3932issn
1873-3514pii
0028-3932(96)00026-7journal_volume
34pub_type
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