1) Anorthography 2) Brain disease 3) Brain disorder 4) Encephalopathy 5) Logagraphia 1) Anorthography 2) Logagraphia 
Agraphia is an acquired neurological disorder causing a loss in the ability to communicate through writing, either due to some form of motor dysfunction or an inability to spell. The loss of writing ability may present with other language or neurological disorders; disorders appearing commonly with agraphia are alexia, aphasia, dysarthria, agnosia...
inability to write
• (n.) The absence or loss of the power of expressing ideas by written signs. It is one form of aphasia.
Inability to write due either to muscular coordination issues or to an inability to phrase thought.
<neurology> Loss of ability to write (a form of aphasia). Symptom common to tumours of the parietal lobe of the dominant cerebral hemisphere. ... (16 Dec 1997) ... 
(ә-graf´e-ә) loss of ability to express thoughts in writing.
The loss of a pre-existing ability to express ones self through the act of writing.
A·graph'i·a noun [ Greek 
Type: Term Pronunciation: ă-graf′ē-ă Definitions: 1. 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. Synonyms: graphic aphasia, graphomotor aphasia
[n] - a loss of the ability to write or to express thoughts in writing because of a brain lesion
agraphia 1. Loss of the ability to write, resulting from neurological damage such as a brain lesion. Also: logagraphia. 2. 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. Also: anorthog...
anorthography noun a loss of the ability to write or to express thoughts in writing because of a brain lesion
a cerebral disorder characterized by total or partial inability to write.