Study finds dyslexia might cause visual disability along with reading impairment

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According to a new study, children who suffer from dyslexia go through visual is ..

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https://health.economictimes.indiatimes.com/news/diagnostics/study-finds-dyslexia-might-cause-visual-disability-along-with-reading-impairment/87974140

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Digging deeper in the brain

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Neuroscientists at Technische Universität Dresden discovered a novel, non-invasive imaging-based method to investigate the visual sensory thalamus, an important structure of the human brain and point of origin of visual difficulties in diseases such as dyslexia and glaucoma. The new method could provide an in-depth understanding of visual sensory processing in both health and disease in the near future.

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How white noise can help dyslexia

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A study among Swedish school children found evidence that visual and auditory white noise can help children with reading difficulties perform reading tasks. Performance benefits were most evident for visual white noise, which improved children’s performance during both reading and word recall. The findings were published in the journal Brain and Behavior.

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Do we have a new wonder tool to cure reading problems?

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After years of research, Carlsbad eye doctor and Dyslexia expert, Dr. David Bloch, has developed new super tools that correct reading disabilities in record time. His Reading Without Limits program is so unique that it has a patent pending. Parent Pat W. said, “I worked as a senior education consultant for the USA at the world’s largest education company, Dr. Bloch’s tools and processes are easily one of the three best programs I’ve ever seen in North America.”

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When the brains develop reading

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Research results show that brain regions in the reading network change more in first and second grade. Reading interventions such as speech therapy often start only in the third year, because there must be an ongoing problem. But by then, the reading grid will no longer be plastic. If you want to prevent further deficits, it is best to intervene when these brain areas are most likely to improve.

In further development of the reading regions on the left side of the brain, they no longer found any structural differences between dyslexic and non-dyslexic children. They develop similarly. But discrimination that already existed in preschool age is no longer compensated for without early intervention.

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“Complementary Cognition” Theory Suggests Adaptive Role for Dyslexia

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Nick Posford, CEO, British Dyslexia Association said, “As the leading charity for dyslexia, we welcome Dr Helen Taylor’s ground-breaking research on the evolution of complementary cognition. Whilst our current education and work environments are often not designed to make the most of dyslexia-associated thinking, we hope this research provides a starting point for further exploration of the economic, cultural and social benefits the whole of society can gain from the unique abilities of people with dyslexia.”

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Why are some bilingual people dyslexic in English but not their other language?

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 How have we ended up with the phenomenon that some people who speak both English and another language can be dyslexic in one, but not the other?

The answer, it seems, is hidden in the characteristics of a language and its writing system.

www.brunel.ac.uk

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Decoding Dyslexia

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Reading and dyslexia illustrate the rich tension between nature and nurture. Reading is a learned skill; no one is born reading. But learning to read relies on inborn human capacities for language and speech. And dyslexia is a genetic condition that compromises these brain networks.

Yet laypeople are convinced that dyslexia results from “troubles with vision. And these errors matter. A parent who holds these views might fail to recognize her child’s difficulties with rhymes and pig Latin (both require phonemic awareness) as warning signs.

scientific american

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Learning disabilities are a connection problem

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Different learning difficulties do not correspond to specific regions of the brain, as previously thought, say researchers at the University of Cambridge. Instead, poor connectivity between ‘hubs’ within the brain is much more strongly related to children’s difficulties.

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Online Dyslexia screening

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People taking the Dystech test supply a date of birth and email before being presented with a series of words on the screen. Users then repeat the words aloud with the audio being recorded for analysis.

The test, available through a mobile app or in the browser, takes around 10 minutes to complete.

The audio is automatically analysed by the algorithm to determine the likelihood of dyslexia. While the test can’t provide a diagnosis and Dystech does not offer medical advice, Richard says it returns a percentage likelihood of dyslexia as well as metrics on reading reaction time and average reading time.

The results can give an indication if users should seek an official diagnosis – currently only able to be provided by a psychologist.

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Brain stimulation may help

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Restoring normal patterns of rhythmic neural activity through non-invasive electrical stimulation of the brain alleviates sound-processing deficits and improves reading accuracy in adults with dyslexia, according to a new study.

PLOS. “Brain stimulation reduces dyslexia deficits.” ScienceDaily. ScienceDaily, 8 September 2020.

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Visual perception is key

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Visual perception has been found to be a critical factor for reading comprehension and arithmetic computation in separate lines of research with different measures of visual form perception. The current study of 1099 Chinese elementary school students investigated whether the same visual form perception (assessed by a geometric figure matching task) underlies both reading comprehension and arithmetic computation. The results showed that visual form perception had close relations with both reading comprehension and arithmetic computation, even after controlling for age, gender, and cognitive factors such as processing speed, attention, working memory, visuo-spatial processing, and general intelligence. 

Cui J, Zhang Y, Wan S, Chen C, Zeng J, Zhou X. Visual form perception is fundamental for both reading comprehension and arithmetic computation. Cognition. 2019;189:141-154. doi:10.1016/j.cognition.2019.03.014

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Neurology of developmental dyslexia

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Developmental dyslexia was until recently considered to belong solely in the domain of educational psychology. With the advent of better theories on language and reading, and better methods for assessing the structure and function of living human brains and for determining genetic transmission, dyslexia is now poised to become a focal concern of cognitive neuroscience, neurology, and genetic research. Still unresolved are questions relating to how much a reading disability represents a normal variation or a separate pathological entity, and whether the cognitive disorder is primarily cognitive, or secondary to a disorder in early perception. Recent findings from neuroanatomy, neurophysiology, neuropsychology, and genetics research are reviewed. (This review is an updated version of a review first published in Current Opinion In Neurology and Neurosurgery 1992, 5:71-76.)

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Reintroducing Dyslexia: Early Identification and Implications for Pediatric Practice

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Cognitive-behavioral research has revealed that there are early literacy skill deficits that represent red flags for dyslexia risk and can be measured at a preschool age. Altogether, this evidence points to dyslexia as a disorder that can be flagged by a pediatrician before school entry, during a period of heightened brain plasticity when interventions are more likely to be effective. 

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Changing the way we teach dyslectic children

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Dyslexic children are missing out at schools by being put straight in front of books.

Experts have drawn up a petition which they hope will lead to a Government review in early reading instruction.

Learning Matters founder Carla McNeil says all of the foundations skills in letter sounds need to be taught systematically before children go to books and begin reading and writing.

She says dyslexia teaching based on neuroscience research is far more advanced overseas.

“We’re that far behind the game, it is incredibly frustrating.” 

She says they need to be taken in a step by step approach before being introduced to reading and writing.

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Websearch with Dyslexia

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Web search is a key digital literacy skill that can be particularly challenging for people with dyslexia, a common learning disability that affects reading and spelling skills in about 15% of the English-speaking population. In the paper in our link for today, the researchers collected and analyzed eye-tracking, search log, and self-report data from 27 participants (14 with dyslexia) to confirm that searchers with dyslexia struggle with all stages of the search process and have markedly different gaze patterns and search behavior that reflect the strategies used and challenges faced. Based on these findings, they discuss design implications to improve the cognitive accessibility of web search.

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The truth about the role of the cerebellum

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The cerebellum does not affect reading ability in people with dyslexia, according to a study that challenges a controversial theory.

The cerebellum is a brain structure traditionally involved in motor function.

This new study disputes that theory and could lead to improved treatment of dyslexia, according to scientists from Georgetown University Medical Center in Washington, D.C

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Optometris awarded

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 A Holland-area optometrist received national recognition Friday for the progress one of his patients made in optometric vision therapy that allowed him to read easily after years of struggling.

“He really did all the work we told him what to do and he made so much progress,” development optometrist Dr. Neil Renaud said. ”(He) has seen so many hurdles that were in the way for him for reading, like double vision and blurry vision and letters moving on the page, dyslexia, getting lost all the time. He’s enjoying reading now for the first time in his life. … He’s the one who had a life-changing experience that he’s going to carry forever.”

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New research about dyslexia

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story

New brain imaging research debunks a controversial theory about dyslexia that can impact how it is sometimes treated, Georgetown University Medical Center neuroscientists say.

The cerebellum, a brain structure traditionally considered to be involved in motor function, has been implicated in the reading disability, developmental dyslexia, however, this “cerebellar deficit hypothesis” has always been controversial. The new research shows that the cerebellum is not engaged during reading in typical readers and does not differ in children who have dyslexia.

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Does cursive help dyslexia?

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Cursive’s cheerleaders repeatedly state that cursive cures dyslexia or prevents it, that it makes you pleasant and graceful and intelligent, that it adds brain cells, instills proper etiquette and patriotism, or confers numerous other blessings which are no more prevalent among cursive users than among other humans.

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