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Everything You Need To Know About The Different Types Of Dyslexia
There are plenty of people that are confused with the meaning of dyslexia.
What is dyslexia?
There are two different meanings of dyslexia.
The first meaning of dyslexia is the literal meaning since it is based on the etymology of the word itself, “Dys” means problematic or wrong then “lexia” means pertaining to letters or words. Which means, dyslexia refers to problems with words. People that are having difficulty in reading has dyslexia.
The second meaning is more wider when it comes to its use and its application. This is mostly used by dyslexic adults and by parents of dyslexics. In the application aspect, dyslexia refers to different symptoms like problems with spelling, writing and reading, poor memory, does not have physical coordination and has difficulty in hearing.
The exact meaning of dyslexia actually depends on how the word is being used.
In the year 1973, Newcombe and Marshall subdivided the word dyslexia and they describe each kind dyslexia. They started with the ideas of surface dyslexia, double deficit dyslexia and phonological dyslexia.
Below are the different kinds of dyslexia:
A. Surface dyslexia
One symptom of surface dyslexia is when the person is having mistakes and is inconsistent with the English pronunciation. For example, the word bowl is pronounced as howl and the word pretty is pronounced as jetty
B. Phonological dyslexia
Phonological dyslexia is the difficulty of grasping the phonics of the English language. People find it hard to read new words if they have phonological dyslexia.
C. Double deficit dyslexia
There are people that have both kinds of dyslexia such as phonological dyslexia and surface dyslexia and the term that they use for this condition is double deficit dyslexia.
D. Visual dyslexia and auditory dyslexia
Both of these types are derived from the magnocellular theory of dyslexia. In this theory, people with dyslexia are neurologically weak in their magnocellular cells in the thalamus part of brain. This part of the brain is where they process visual and auditory information.
There are studies that proves that people with dyslexia have difficulties in processing auditory information and visual information.
This means that children that have poor visual skills but have average hearing skills can be diagnosed as visual dyslexia, and those children that have poor hearing skills but average visual skills are diagnosed with auditory dyslexia.
E. Orthographic dyslexia
Orthography is a group of letters and symbols that will make a language. The English alphabet has 26 letters, while for the Chinese and Japanese language they have a lot of different kinds of symbols. This just means that orthographic dyslexia refers to problems in manipulating and identifying letters in spelling, writing and reading.