Dyslexia: News from the web:
While the medium is relatively accessible for people with reading difficulties, its lettering norms are still leaving some behind.
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Dyslexia: News from the web:
Researchers used ultra-high-resolution structural magnetic resonance imaging (MRI), diffusion MRI, and probabilistic tractography to investigate the structural connections of the visual sensory pathway in dyslexia in vivo. They discovered that individuals with dyslexia have reduced structural connections in the direct pathway between the left visual thalamus (lateral geniculate nucleus [LGN]) and left middle temporal area V5/MT, but not between the left LGN and left primary visual cortex. In addition, left V5/MT-LGN connectivity strength correlated with rapid naming abilities—a key deficit in dyslexia .
These findings provide the first evidence of specific structural alterations in the connections between the sensory thalamus and cortex in developmental dyslexia. The results challenge current standard models and provide novel evidence for the importance of cortico-thalamic interactions in explaining dyslexia.
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Dyslexia: News from the web:
After french scientists broke the news that they could fix dyslexia with eye surgery, the whole scientific world stumbled over them and critiqued their scientific methods (or lack thereof)
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Dyslexia: News from the web:
A study has been carried out by the Basque Centre on Cognition, Brain and Language (BCBL), associating auditory processing in children to their reading skills. The results offer a new approach for detecting the risk before the children learn to read.
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Dyslexia: News from the web:
Researchers performed a reading test with their subjects. They used the fact that, although the brain presents us with one image, there is a delay between the the first eye forming an image and the second doing so. So, if you are sitting in a dark room and a page of letters is illuminated by a flashing light—the light flashes are too fast to perceive—then only one eye at a time can form an image. In this case, the brain should not be presented with conflicting images.
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Dyslexia: News from the web:
French scientists claim they may have found a physiological, and seemingly treatable, cause for dyslexia hidden in tiny light-receptor cells in the human eye.
In people with the condition, the cells were arranged in matching patterns in both eyes, which may be to blame for confusing the brain by producing “mirror” images, the co-authors wrote in the journal Proceedings of the Royal Society B.
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