Can contrast sensitivity functions in dyslexia be explained by inattention rather than a magnocellular deficit?
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چکیده
منابع مشابه
Can contrast sensitivity functions in dyslexia be explained by inattention rather than a magnocellular deficit?
We examined whether data demonstrating contrast sensitivity losses in dyslexia that have been interpreted as evidence for loss of magnocellular visual function could be explained by inattention. Computer simulations of observers with poor concentration yielded inflated estimates of threshold that were a constant proportion of the true threshold across spatial frequencies. Data from many, but no...
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A number of authors have made the claim that dyslexia is the result of a deficit in the magnocellular part of the visual system. Most of the evidence cited in support of this claim is from contrast sensitivity studies. The present review surveys this evidence. The result of this survey shows that the support for the magnocellular deficit theory is equivocal. In the case of spatial contrast sens...
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ژورنال
عنوان ژورنال: Vision Research
سال: 2001
ISSN: 0042-6989
DOI: 10.1016/s0042-6989(01)00176-6