- Inability to write properly in the absence of abnormalities of the limb; often accompanies aphasia and alexia; caused by lesions in various portions of the cerebrum, especially those in or near the angular gyrus. SYN: graphic aphasia, graphomotor aphasia. [G. a- priv. + grapho, to write]- absolute a. a. in which not even unconnected letters can be written. SYN: atactic a., literal a..- acoustic a. inability to write from dictation.- amnemonic a. a. in which letters and words can be written, but not connected sentences.- atactic a. SYN: absolute a..- constructional a. an aghraphia in which letters and words can be written correctly, but not arranged appropriately on the writing surface.- literal a. SYN: absolute a..- musical a. an inability to write musical notation.- verbal a. a. in which single letters can be written, but not words.
* * *agraph·ia (')ā-'graf-ē-ə n the pathological loss of the ability to writeagraph·ic -'graf-ik adj
* * *n.an acquired inability to write, although the strength and coordination of the hand remain normal. It is related to the disorders of language and it is caused by disease in the parietal lobe of the brain. See Gerstmann's syndrome.
* * *agraph·ia (ə-grafґe-ə) [a-1 + -graph + -ia] impairment or loss of the ability to write; it takes two forms, one involving poor morphology of written letter forms and the other a reflection of the aphasia also observed in spoken language. See also dysgraphia. Called also graphomotor aphasia. agraphic adj
Medical dictionary. 2011.