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Longitudinal study of reading and writing rehabilitation using a bigraph-biphone correspondence approach

Bowes, Kelly and Martin, Nadine
Longitudinal study of reading and writing rehabilitation using a bigraph-biphone correspondence approach. Aphasiology, 21(6-8), August, 2007, pages 687-701.


Background: Treatments for sound-blending ability in phonological dyslexia that train single grapheme-phoneme correspondences have had mixed success. A more recent approach to re-establishing sound-blending abilities is to train correspondences of bigraph-biphone units (CV + VC = CVC) (Berndt, Haendiges, Mitchum & Wayland, 1996; Friedman & Lott, 2002). This approach has proved beneficial thus far, although the reasons for its success are not yet fully understood.

Aims: The purpose of this longitudinal investigation was to use the bigraph-biphone segment-blending approach to improve both reading and writing abilities in an individual with phonological dyslexia/dysgraphia. Re-establishing this ability laid the foundation for continued treatment with longer words and phrases.

Methods & Procedures: A case study design combining reading and writing treatment was used in three treatment protocols. Initially, treatment focused on improving the participant's awareness of bigraph-biphone correspondences and sound-blending abilities for one-syllable nonwords. The successful completion of this protocol was followed by two treatments to extend these abilities to reading and writing two-syllable words and eventually phrase-length material.

Outcomes & Results: Gains were made in all treatment protocols. The participant progressed from an inability to read one-syllable nonwords to reading and writing phrase-length material.

Conclusions: This study provides further evidence that using bigraph-biphone correspondences to train sound-blending abilities can improve both reading and writing abilities in cases of phonological dyslexia. Furthermore, the success of this treatment programme illustrates the benefit of a targeted treatment programme even 5 years post onset of aphasia, for reading and writing rehabilitation.

EPrint Type:Journal (Paginated)
ID Code:1782
Conference:International Aphasia Rehabilitation Conference: International Aphasia Rehabilitation Conference (2006: 12th: Sheffield. U.K.: 4-6 June, 2006)
Publisher:Taylor and Francis
Alternative Locations:
DOI or Unique Handle:10.1080/02687030701192117
Additional Information:Access to the full text is subject to the publisher's access restrictions.