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Here Are The Kinds Of Dyslexia

A lot of people 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 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.

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. The first ideas were about the double deficit dyslexia, surface dyslexia and phonological dyslexia.

Here are the types of dyslexia:

A. Surface dyslexia

The 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 refers to the failure of adapting 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. The magnocellular theory states, that people with dyslexia are neurologically weak in their magnocellular cells in the thalamus part of brain. The thalamus is where the auditory and visual information are processed.

There are studies that shows, 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 creates 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.

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