Writing is impaired and it shows the same characteristics as the expressive speech. The letters are usually well formed but the letter combinations are often meaningless. Unaware of their own deficit. Patient is aware of the errors and makes efforts at self correction. Normal, adequate for normal conversation.
Poor repetition is the distinctive feature of conduction aphasia.
Writing errors are related to omissions, substitutions, and reversals of letters. Arcuate fasciculus in the left hemisphere-traditional explanation. Often brain damage in the left parietal lobe involving supramarginal and lower post central gyri. The lesions are extrasylvian in location . The primary language cortex is not damaged but areas of the brain that project to language cortex are damaged.