Wernicke’s aphasia, also known as ‘receptive aphasia’ or ‘sensory aphasia’. In this form of aphasia, the subject is able to speak fluently but unable to understand what is said to them. Moreover, their ‘fluent’ speech often is chock-a-block with abnormalities, such as nonsense words that, while fitting the sound patterns of their native language, mean nothing and are otherwise not words at all. There

