What Is the Double-deficit Theory of Dyslexia?

What is the double-deficit theory of dyslexia?

The double-deficit theory of dyslexia believes that a deficit in two essential skills leads to the lowest level of reading performances, which is the most severe form of dyslexia.

The two essential reading skills are:

  • Phonological processing. It enables a person to identify and manipulate sounds in speech.
  • Rapid automatized naming. People who have this skill can translate visual information whether of objects, letters, or pictures into a phonological code.


Keyword: double dyslexia

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