Category Archives: Research

Are Green Glasses the ultimate fix for Dyslexia?

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Researchers at the São Paulo State University in Brazil and Paris Diderot University in France have for the first time conclusively showed that green light filter can help children overcome symptoms of dyslexia. Specifically, nine and ten year-old children with dyslexia improved their reading time significantly when using green color glasses.

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Early detection

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“In our work, we are using behavioral and early imaging measures to predict trajectories of language and reading development,” says Booth, who holds Patricia and Rodes Hart Chair. “We want to identify early on who’s likely to struggle with learning how to read, and use that information to intervene early.”

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Priorities for people with learning disabilities

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Young people with learning difficulties have highlighted key areas of research which could help to improve their lives.

The 10 priorities include devising approaches to tackle bullying and creating the best learning environments.

Academics will use the information to plan new research initiatives at the University of Edinburgh and worldwide.

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Screen for all learning disabilities at once within half an hour?

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Doctors from Indian Academy for Pediatrics (IAP) have come up with Tamilnadu Dyslexia Screening Tool (TSDS), aquestionnaire, which they claim could help diagnose three types of learning difficulties – dyslexia, dysgraphia and dyscalculia – among children within half-an-hour.

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Dyslexia font does not help at all

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The Dyslexie font, designed in 2009 by graphic designer Christian Boer, claims to have positive effects on reading for those with dyslexia. This development comes from the argument that children with dyslexia require a larger font size and greater spacing between letters to enhance reading abilities. However, dyslexia has historically been known as a phonological deficit, rather than a visual one, calling to question this claim. This research looks into the effects on reading of using Dyslexie font compared to mainstream fonts, and uncovers the reality of specialized fonts such as Dyslexie.

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Intense specialized training improves and impacts the brain

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Using MRI measurements of the brain’s neural connections, or “white matter,” UW researchers have shown that, in struggling readers, the neural circuitry strengthened—and their reading performance improved—after just eight weeks of a specialized tutoring program. The study, published June 8 in Nature Communications, is the first to measure white matter during an intensive educational intervention and link children’s learning with their brains’ flexibility.

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Discovering the cerebellum

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New study where they review the evidence for cerebellar dysfunction in dyslexia, including clinical, behavioral, and structural and functional neuroimaging data; these findings are considered in the context of the increasing appreciation of the role of the cerebellum in language, cognition and complex skill acquisition.

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Diagnosing the brain

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It remains difficult to diagnose what is going on in the brain. See the article in today’s link:

Concussions are finicky. They look different in different people. There still isn’t a clear biological signature we’re able to track. So instead, trainers and doctors lean on reported symptoms and neurocognitive tests, which measure things like memory, processing speed, and reaction time, to guide concussion diagnosis.

These tests, though, don’t serve all athletes equally: Disabilities, particularly learning disabilities like attention-deficit hyperactivity disorder and dyslexia, skew the results, making concussions more challenging to diagnose and treat in disabled athletes.

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Readvolution coming

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Dyslexia: News from the web:

Square Panda and Andre Agassi today announced Readvolution, a new initiative by the Andre Agassi Early Childhood Neuroscience Foundation that aims to drive innovation in dyslexia assessment and intervention. Readvolution plans to engage scientists from the University of California, San Francisco (UCSF) Weill Institute for Neurosciences to produce the first scientifically validated technology for scalable universal screening of dyslexia.

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Are US dyslexia laws not necessary and unfair?

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Professor Elliott, from the UK, argues that the current dyslexia policies in the US undermine the education and life chances of large numbers of children, particularly those from socially and economically disadvantaged backgrounds.

True? or is he promoting his book: The Dyslexia debate ?

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studying dyslexia with song birds

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Zebra Finches however, learn how to communicate through song from their parents. In this manner, they are similar to infants, as their  auditory system is shaped by exposure to adult speech.

As such, Zebra Finches allow for scientists to develop a model that can be used to study the effects of mutations on auditory learning and processing.

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No Evidence for Systematic White Matter Correlates of Dyslexia and Dyscalculia

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A very interesting study has been completed. They compared people with dyslexia, dyscalculia, both and neither. They focused on the corona radiata and the arcuate fasciculus, two tracts associated with reading and mathematics in a number of previous studies. Using Bayesian hypothesis testing, they showed that the data showed no differences between groups for these particular tracts, a finding that seems to go against the current view in other studies.
This outcome, if confirmed, suggest that structural differences associated with dyslexia and dyscalculia might not be as reliable as previously thought, and this may have some impact on how we approach remediation.

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New insights from research

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Research tells us that dyslexia is due to a problem in language rather than in vision, specifically the phonological system, which is used for processing speech sounds. Phonological processing refers to using speech sounds for coding information when reading, listening, and speaking. Although it’s important to assess for phonological abilities like phonological awareness, phonological memory, and rapid naming, these alone should not determine whether one has dyslexia. “It’s important to do a comprehensive assessment that extends beyond phonological processing,”

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search with dyslexia, a challenge

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As many as 20% of English speakers have dyslexia, a language disability that impacts reading and spelling. Web search is an important modern literacy skill, yet the accessibility of this language-centric endeavor to people with dyslexia is largely unexplored. We interviewed ten adults with dyslexia and conducted an online survey with 81 dyslexic and 80 non-dyslexic adults, in which participants described challenges they face in various stages of web search

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Schools still fail Dyslectics

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While scientists estimate that between 5 and 12 percent of children in the United States have dyslexia, just 4.5 percent of students in public schools are diagnosed with a “specific learning disability,” a category that includes dyslexia and other learning disabilities, according to the National Center for Education Statistics. In addition, while schools routinely screen children for hearing impairment, a problem that occurs much less frequently than dyslexia, screening for dyslexia is rare.

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ADHD, Dyslexia, Athletes and Concussions

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Risk factors for concussion are plentiful—playing soccer, playing football, having a prior concussion, being female. In an addition to the scientific to-do list, a new report is calling for researchers and to pay attention to something else that seems to make concussions more likely: learning disabilities.

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Deaf Children worse in reading compared with Dyslectics

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The British education system is neglecting the needs of severely and profoundly deaf children, many of whom have major reading difficulties, according to new research from City, University of London.

In one of the largest studies of its kind, funded by the Nuffield Foundation, the researchers found that over half of the  involved who communicated using spoken language and four fifths of those who used  had reading difficulties at least as severe as those faced by   with dyslexia, and in some cases they were more severe.

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A new view on Dyslexia

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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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