Dyslexia Other Definitions

Definition | Diagnostic Criteria | Age at Onset | Associated Features of Dyslexia | Alternate Definitions | Educational Approach | Genetics | Dyslexia Test

DYSLEXIA

OTHER DEFINITIONS/SUB-CLASSIFICATIONS

V. Alternate definitions and sub classifications

OTHER DEFINITIONS

alexia -inability to read ( Council on Scientific Affairs, 1989).

agraphia -inability to write (Council on Scientific Affairs, 1989).

developmental auditory imperception – difficulty learning sounds, sound-symbol relationships and the meaning of words (Dyslexia informational packet, 1994).

dysphasia – difficulty learning both receptive and expressive oral language (Dyslexia informational packet, 1994).

SUB-CLASSIFICATIONS OF DYSLEXIA

dysphonetic –poor symbol-sound association (Council on Scientific Affairs, 1989).

dyseidetic –poor visual recognition (Council on Scientific Affairs, 1989).

linear dyslexia — poor visual tracking skills (Council on Scientific Affairs, 1989).

surface dyslexia — this is marked by the inability to read words by sight; these individuals read words only by sounding them out phonologically.

This form of dyslexia is usually a result of a specific lesion in the posterior/parietal region in the brain (Rosenhan, et. al., 1989).

phonological dyslexia — this is marked by the inability to pronounce a written word that has never been seen, even if it corresponds to a spoken word that the individual already knows. There is damage to the system involved in reading by sound, typically as a result of a specific lesion in the posterior part of the left hemisphere (Rosenhan, et. al., 1989).