Agraphia
Synonyms
Definition
Agraphia is an impairment or loss in the ability to write in individuals (most often adults) who had typical spelling and/or handwriting prior to brain damage, either sudden or progressive. Agraphia occurs as a result of damage to the cognitive, linguistic, and/or sensorimotor areas of the brain that support spelling and writing (Beeson & Rapczak, 2004). Lesions in specific regions in these areas affect the ability to retrieve words and/or their spellings and/or to form the letters to write the words.
Agraphia may be broadly categorized into two types: central or peripheral. Central agraphia affects an individual’s ability to spell, while peripheral agraphia is characterized by handwriting difficulties (Beeson & Rapczak, 2004). Additionally, visual perceptual changes that impair handwriting are not uncommon in those with brain injury.
Although the characteristics of agraphia are similar to those of developmental dysgraphia, the defining feature...
References and Readings
- Beeson, P. M., & Rapczak, S. Z. (2004). Agraphia. In R. D. Kent (Ed.), The MIT encyclopedia of communication disorders (pp. 233–236). Cambridge, MA: MIT Press.Google Scholar