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Dyslexia-What Are Its Types?

There are plenty of people that 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. 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 part, dyslexia refers to a lot 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 divided the word dyslexia and they provided descriptions for every kind. They started with the ideas of surface dyslexia, double deficit 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 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

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

The visual dyslexia and auditory dyslexia are from the magnocellular theory. 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 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 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 means that orthographic dyslexia is problems with the identification and manipulation of letters in spelling, writing and reading.