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Here Are The Kinds Of Dyslexia
A lot of people are confused with the meaning of dyslexia.
What is the meaning of dyslexia?
Dyslexia actually has two meanings.
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. Literally, the word dyslexia refers to difficulty with words. People that have problems with words have 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 different symptoms like problems with spelling, writing and reading, poor memory, does not have physical coordination and has difficulty in hearing.
As you can see ,the meaning of the word dyslexia really greatly depends on how it is being used.
In the year 1973, Newcombe and Marshall divided the word dyslexia and they provided descriptions for every kind. The first ideas were about the double deficit dyslexia, surface dyslexia and phonological dyslexia.
Here are the different kinds of dyslexia:
A. Surface dyslexia
One of the symptoms 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 is the difficulty of grasping 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 word that they used to 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 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.
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 make a language. The english alphabet has 26 letters, while for the Chinese and Japanese language they have thousands of different kinds of symbols. This just means that orthographic dyslexia refers to problems in manipulating and identifying letters in spelling, writing and reading.