There are several subtypes of dyslexias and they can be categorized as either central or peripheral dyslexias (of which there are two, attentional dyslexia and neglect dyslexia), which result from impairment to brain processes that are capable of converting letters on the page into visual word forms.
There are two types of peripheral dyslexias called attentional dyslexia, and neglect dyslexia.
Neglect dyslexia is usually due to brain damage, and causes an impairment of reading because the affected person misidentifies letters in certain spatial regions of either a word or a group of words.
The defect for neglect dyslexia subtype is associated with the right parietal lobe.
Neglect dyslexia can be further divided into left neglect dyslexia and right neglect dyslexia.
In the left neglect dyslexia subtype, the affected person experiences difficulty reading initial letters of the word, which may cause a letter(s) to be substituted, omitted or added.
In the right neglect dyslexia subtype causes a patient to have letter errors at the end of the word.
Read more about the different types of Dyslexia here: Healthline
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