this is a relatively rare form of aphasia, caused by damage to the nerve fibres connecting Wernicke’s and Broca’s areas.


to understand the symptoms, recall that Broca's area controls expression while Wernicke's area is responsible for comprehension.

with both areas intact but the neural connections between them broken, there is the curious condition where the patient can understand what is being said but cannot repeat it back (or repeats it back wrongly). This patient will also end up saying something inappropriate or wrong, realize his/her mistake, but continue making further mistakes on trying to correct it.

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