Deep dyslexia for kanji and phonological dyslexia for kana: different manifestations from a common source.

November 19, 2008

Deep dyslexia for kanji and phonological dyslexia for kana: Different manifestations from a common source. Neurocase. 2008;14(6):508-24 Authors: Sato H, Patterson K, Fushimi T, Maxim J, Bryan K A Japanese-speaking stroke patient with disrupted phonology but relatively good semantics was severely impaired in nonword reading, with better preserved and imageability-modulated word-reading in both kanji and kana. This basic similarity of reading in the two Japanese scripts was accompanied by the following differences: (i) distinct error patterns (prominent semantic errors for kanji vs. phonological errors for kana); (ii) a more pronounced imageability effect for kanji; and (iii) a remarkable pseudohomophone advantage for kana. The combination of deep dyslexia for kanji and phonologi...

Investigation of the dcdc2 intron 2 deletion/compound short tandem repeat polymorphism in a large german dyslexia sample.

November 19, 2008

Page: 310DOI: 10.1097/YPG.0b013e3283063a78Authors: Ludwig, Kerstin U. a; Schumacher, Johannes b; Schulte-Korne, Gerd c; Konig, Inke R. e; Warnke, Andreas f; Plume, Ellen f; Anthoni, Heidi h; Peyrard-Janvid, Myriam h; Meng, Haiying i; Ziegler, Andreas e; Remschmidt, Helmut g; Kere, Juha h; Gruen, Jeffrey R. i; Muller-Myhsok, Bertram d; Nothen, Markus M. a; Hoffmann, Per a (Source: Psychiatric Genetics)

Adult Dyslexia: General Features

November 13, 2008

posted by stemulite

Dyslexia in adults is a very big concernwhich millions of adults have to face. Whilst there are some notable symptoms of adult dyslexia, there are also some characteristics of dyslexic adults that are especially notable. These characteristics include intelligence despite poor reading levels, oral language abilities that are significantly greater than their written language skills and attention concerns.

The intelligence of a dyslexic adult can be great but that is hardly able to be shown in certain cases. For example, a dyslexic adult might have all of the ideas on hand and all of the correct answers involving something. The problem is, however, that the reading and writing abilities of that person is significantly lower than that of what is generally common among people of their age or same education level. In actual fact, a simple intelligence test can tell this, as dyslexic people might end up having the same intelligence level as that of a person who is not dyslexic.

Skills for oral languagecan easily be greater than that of written language skills in people with dyslexia. This includes the fact that a person would be able to succeed on a test that is orally given and responded to it, but when a writing test is given, that person would not be able to get the right answers out.

Because of the inability to be able to write one’s own answers out and be able to write as well as others, the adult’s self esteem could be significantly harmed. This includes the inability to feel that they can easily succeed in their field of work. With these feelings it will be especially difficult to be able to make it through life with any kind of ease.

The ways that one is able to learn from are also impacted as a result of adult dyslexia. One of the most essential characteristics of dyslexic adults involves how the person is able to learn. Learning through readings will be clearly difficult. Meanwhile, learning through demonstrations and hands-on work will be better for adults with dyslexia.

The last of the concerns involving adult dyslexia involves one’s ability to keep attention. A dyslexic person can easily lose track of time or easily lose attention of something. Because of this adult attention deficit disorder is commonly linked with adult dyslexia.

These are all characteristics of dyslexic adults that are especially notable. Even with the symptoms of dyslexia it is essential to consider the characteristics as well. That’s because these behaviors that are established by one’s inability to handle written words and writing. These are signs that show clearly that a person is dyslexic and that the person will need to get some help in order to be more well rounded and successful.

Adult Dyslexia Late Diagnosis: Is There Still Hope?

November 12, 2008

posted by DeeBr

Tess November 6th, 2008

Dyslexia is a learning difficulty that affects people of all ages. Just as with other disabilities, early detection of the condition and early intervention are beneficial to the person with the disability. However, this is not always the case with dyslexia.

An Overlooked Beginning

Most of the time, the beginnings of dyslexia is overlooked, which is the reason why a lot of cases are only diagnosed during adulthood. To think of it, in present culture when a child has not yet learned to fluently read by the age of ten or eleven years, he or she would be often thought of to be lacking in motivation or intelligence.

Most people would think that they are stupid or lazy. However, in most cases, they are neither of the two. Most likely, they have dyslexia, which is a learning disability that causes their difficulty in understanding written language, even though they have normal or even higher-than-normal IQ.

Faulty Wiring And Early Detection

The most recent studies show that the difficulties in reading that dyslexic people experience are due to “faulty wiring” in specific brain areas that have a relation to learning and language. Research also shows that identifiable genetic variations or defects are the partial cause of this faulty wiring.

Early screening and detection for such variations makes it possible for you to have appropriate and timely remedial training. Most experts suggest that children should be allowed to deal with their condition to overcome it and at least learn how to read at an acceptable level. However, since dyslexia is sometimes only diagnosed during adulthood, the benefits of early detection are not maximized.

Late Detection

Although there are people who only become dyslexic during their adulthood, due to stroke and traumatic brain injury, in most cases the condition is a developmental disorder. According to experts, still, the majority of cases reported of people with dyslexia are adults who have had it ever since childhood but only knew they had it when they were already adults.

This late detection of the condition is something most adult dyslexics are troubled with since early intervention is not a choice anymore. However, if you are one of those who had late detection, there is no reason to be troubled. Intervention no matter how early or late is still intervention, even though they may have varying effects.

The Issue On Brain Plasticity

Late detection becomes an issue due to the premise of brain plasticity. Research shows that younger people or even animals have a more elastic brain than older counterparts. The relevance of brain plasticity is that it is one important factor in relation to  intervention.

Since the brain is more elastic when you are younger; rewiring of the brain is then possible, since it hasn’t reached its mature state and continues to develop. Thus, if ever a learning disability like dyslexia is present, then your brain can still be developed to function at a more acceptable level, where the condition has minimal effect.

A lot of adults recently diagnosed with the condition fear that intervention would do them no good, simply because their brain is not as elastic anymore as children’s. However, recent studies show that the brain’s property of elasticity is still present even with adults.

This recent finding on plasticity in the adult brain is a breakthrough for adult dyslexics. So if you are an adult that had late diagnosis, then be happy! There is still hope for your condition to improve, even if only to an acceptable level.

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Free exploration of painting uncovers particularly loose yoking of saccades in dyslexics

November 12, 2008

This study examines the quality of binocular coordination in individuals with dyslexia, independent of the process of reading. Fifteen dyslexia children (11.2±1.4 years) and 15 non-dyslexia individuals (8 children, aged 11.1±1.3 years, and 7 adults, 24±3 years) were studied. Eye movements were recorded in two conditions. In the control condition, participants made saccades to a single target where the saccade direction and magnitude were controlled. In the experimental condition saccades were allowed to move freely while viewing paintings. The results indicated that, compared with the non-dyslexia group, the dyslexia group showed a larger saccade amplitude difference between the two eyes, as well as a larger conjugate post-saccadic drift, during painting exploration than that for saccad...

Want to find out more about Dyslexia?

November 8, 2008

posted by stuff4teaching

Dyslexia AssociationDyslexia Awareness week which runs from the 3rd to the 9th of November, aims to raise public awareness of the issues associated with dyslexia. This year the specific issue they are concentrating on is 'Accessible formats'. They would like businesses and organisations to improve their communications to become dyslexia friendly, allowing publications to be available in alternative formats.

For more information on how to make your publications dyslexia friendly, visit their website.

They also sell a range of resources for assessing or screening for dyslexia in both children and adults, and resources to support learning. They have a helpline to phone too, if accessing information via the website is difficult.

As teachers we all know of pupils who suffer from dyslexia and it is helpful for us to find out as much as we can about it in order to best help those students. BDA has lots of resources to read to increase our knowledge.

Developmental dyslexia and widespread activation across the cerebellar hemispheres.

November 3, 2008

In this study, 15 dyslexic children and 7 age-matched control subjects were investigated by means of functional neuroimaging (fMRI) using a noun-verb association paradigm. Comparison of activation patterns between dyslexic and control subjects revealed distinct and significant differences in cerebral and cerebellar activation. Control subjects showed bilaterally well-defined and focal activation patterns in the frontal and parietal lobes and the posterior regions of the cerebellar hemispheres. The dyslexic children, however, presented widespread and diffuse activations on the cerebral and cerebellar level. Cerebral activations were found in frontal, parietal, temporal and occipital regions. Activations in the cerebellum were found predominantly in the cerebellar cortex, including Crus I, C...

Neurobiological and experiential origins of dyslexia: an introduction

October 31, 2008

(Source: Developmental Neuropsychology)

Asymmetry and dyslexia

October 31, 2008

(Source: Developmental Neuropsychology)

A multidisciplinary approach to understanding developmental dyslexia within working-memory architecture: genotypes, phenotypes, brain, and instruction

October 31, 2008

(Source: Developmental Neuropsychology)

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