Here Are The Kinds Of Dyslexia
A lot of people are confused with the meaning of dyslexia.
What exactly is dyslexia?
There are two different meanings of dyslexia.
The first meaning 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. The literal meaning of dyslexia is problems with words. Those people that have difficulty in reading has dyslexia.
The second meaning is more wider when it comes to its use and its application. This is usually used by dyslexic adults and parents of dyslexics. In the application aspect, dyslexia refers to a number of symptom such as 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 attempted to subdivide dyslexia and describe each kind. They started with the ideas of surface dyslexia, double deficit dyslexia and phonological dyslexia.
Here are the different kinds of dyslexia:
A. Surface dyslexia
The symptom of surface dyslexia is when the person is having mistakes and is inconsistent with the English pronunciation. Here is an example, the word bowl is pronounced as howl and the word pretty is pronounced as jetty.
B. Phonological dyslexia
Phonological dyslexia actually refers to the failure of adapting the phonics of the English language. People that have phonological dyslexia have problems in reading new words.
C. Double deficit dyslexia
Double deficit dyslexia is the term that they use for individuals that have phonological dyslexia and surface dyslexia.
D. Visual dyslexia and auditory dyslexia
These two kinds of dyslexia comes from the magnocellular theory of dyslexia. In this theory, people with dyslexia are neurologically weak in their magnocellular cells that can be found in the thalamus part of brain. This area of the brain is actually the part that processes all of the auditory information and visual information.
There are studies that proves that people with dyslexia have difficulties in processing auditory information and visual information.
This means that those 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.diagnosed with auditory dyslexia.
E. Orthographic dyslexia
Orthography is a group of letters and symbols that will create 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.