National Center for Learning Disabilities
Imaging research has demonstrated that the brains of people with dyslexia show different, less efficient, patterns of processing (including under and over activation) during tasks involving sounds in speech and letter sounds in words .
What are the current theories about the causes of dyslexia?
The cerebellar theory of dyslexia asserts that the cause of dyslexia is an abnormality in the cerebellum (a region in the back of the brain), which in turn cause disruption in normal development, which causes issues with motor control, balance, working memory, attention, automatization, and ultimately, reading.
What does research says about dyslexia explain?
National Center for Learning Disabilities
Imaging research has demonstrated that the brains of people with dyslexia show different, less efficient, patterns of processing (including under and over activation) during tasks involving sounds in speech and letter sounds in words .
Why is it important to know about dyslexia?
Dyslexia is described as a “hidden” disability . Teachers and parents of children with dyslexia are often baffled by a child's difficulty in school because of their verbal ability, problem solving strategies, vocabulary and/or other clear signs of intelligence and capability.
Is dyslexia scientifically proven?
Research has shown that it has proven impossible to identify a dyslexic sub-group that is scientifically justifiable, and which has value for practitioners. Symptoms found in one person leading to a diagnosis of dyslexia may well be absent in another person similarly diagnosed, according to Professor Elliott.
What are the 3 types of dyslexia?
- Phonological Dyslexia. This is the ‘type' of dyslexia that people generally mean when they are talking about dyslexia. ...
- Surface Dyslexia. This is the ‘type' of dyslexia where a student has difficulty remembering whole words by sight. ...
- Double Deficit Dyslexia. ...
- Visual Dyslexia. ...
- Other Dyslexias.
How can dyslexia affect emotions?
Although most dyslexics are not depressed, children with this kind of learning disability are at higher risk for intense feelings of sorrow and pain. Perhaps because of their low self-esteem, dyslexics are afraid to turn their anger toward their environment and instead turn it toward themselves .
What is the difference between dyslexia and developmental dyslexia?
Abstract. Developmental dyslexia and developmental dysgraphia are considered to be distinct learning difficulties that affect the child's ability to learn. Dyslexia affects all aspects of written language, while the symptoms of dysgraphia appear to be confined to difficulties in writing.
Can dyslexia be cured?
Dyslexia is a disorder present at birth and cannot be prevented or cured , but it can be managed with special instruction and support. Early intervention to address reading problems is important.
Is dyslexia a developmental delay?
The International Dyslexia Association refers to dyslexia as a language-based learning disability “that does not arise from a physical limitation or a developmental disability.” To repeat: Dyslexia is NOT a developmental disability .
What are the main causes of dyslexia?
- A family history of dyslexia or other learning disabilities.
- Premature birth or low birth weight.
- Exposure during pregnancy to nicotine, drugs, alcohol or infection that may alter brain development in the fetus.
- Individual differences in the parts of the brain that enable reading.
What is the root cause of dyslexia?
Primary dyslexia is passed in family lines through genes (hereditary) or through new genetic mutations and it is found more often in boys than in girls. Secondary or developmental dyslexia: This type of dyslexia is caused by problems with brain development during the early stages of fetal development.
What is dyslexia and how does it affect the learning process?
Dyslexia is a common learning difficulty that can cause problems with reading, writing and spelling . It's a specific learning difficulty, which means it causes problems with certain abilities used for learning, such as reading and writing. Unlike a learning disability, intelligence isn't affected.
Why is dyslexia so controversial?
One of the criticisms that has been directed repeatedly at the use of the term dyslexia is that it carries the assumption that an inherent cognitive deficit results in the child struggling to learn to read – specifically, a weakness in phonological (speech sound) processing that makes it hard for the child to learn to ...
Are there any advantages to having dyslexia?
People with dyslexia have the ability to see how things connect to form complex systems , and to identify similarities among multiple things. Such strengths are likely to be of particular significance for fields like science and mathematics, where visual representations are key.
Are dyslexics better at math?
We often define dyslexia as an “unexpected difficulty in reading”; however, a dyslexic student may also have difficulty with math facts although they are often able to understand and do higher level math quite well .
