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Dyslexia and Related Disorders

Characteristics of Dyslexia: What to look for?
Students identified as having dyslexia typically experience primary difficulties in phonological awareness, including phonemic awareness and manipulation, single-word reading, reading fluency, and spelling. Consequences may include difficulties in reading comprehension and/or written expression. These difficulties in phonological awareness are unexpected for the student’s age and educational level and are not primarily the result of language difference factors. Additionally, there is often a family history of similar difficulties.

The following are the primary reading/spelling characteristics of dyslexia:

  • Difficulty reading words in isolation
  • Difficulty accurately decoding unfamiliar words
  • Difficulty with oral reading (slow, inaccurate, or labored)
  • Difficulty spelling

It is important to note that individuals demonstrate differences in degree of impairment.

The reading/spelling characteristics are most often associated with the following:

  • Segmenting, blending, and manipulating sounds in words (phonemic awareness)
  • Learning the names of letters and their associated sounds
  • Holding information about sounds and words in memory (phonological memory)
  • Rapidly recalling the names of familiar objects, colors, or letters of the alphabet (rapid naming)

 Consequences of dyslexia may include the following:

  • Variable difficulty with aspects of reading comprehension
  • Variable difficulty with aspects of written language
  • Limited vocabulary growth due to reduced reading experiences

(Fletcher, J. M., Lyon, G. R., Fuchs, L. S., & Barnes, M. A. (2007). Learning disabilities: From identification to intervention. New York, NY: The Guilford Press; L. C., Carreker, S., Davis, R., Meisel, P., Spear-Swerling, L., & Wilson, B. (2010). Knowledge and practice standards for teachers of reading. The International Dyslexia Association, Professional Standards and Practices Committee. Retrieved from www.interdys.org/ewebeditpro5/upload/KPSJul2013.pdf; Moats, L. C., & Dakin, K. E. (2008). Basic facts about dyslexia and other reading problems. Baltimore, MD: The International Dyslexia Association.)