[2] It is similar to conduction aphasia and is associated with atrophy to the left posterior temporal cortex and inferior parietal lobule.
It is suspected that an atypical form of Alzheimer's disease is the most common cause of logopenic progressive aphasia.
[3] Compared to other subtypes of primary progressive aphasia, the logopenic variant has been found to be associated with cognitive and behavioral characteristics.
Several logopenic variant patients, especially those with Alzheimer's disease pathology, have also been found to perform poorly on memory tasks.
Damage to the dorsal pathways creates language deficiency in patients that is characteristic of logopenic progressive aphasia.