Broca's Brain and Its Function Compared the most complex aspect. of grammar. Outside of Broca's area, there is aphasia, the inability to speak, the inability to produce speech, this is Broca's aphasia, or expressive aphasia. A person with this type of aphasia has few problems understanding speech, but when they try to speak themselves, they are only capable of slow, labored, and often fuzzy sequences of words (http:// webspace.ship.edu). They generally do not produce complete sentences, and rarely use regular grammatical endings such as –ed for the past tense, and also tend to leave out small grammatical words (http://webspace.ship.edu). Wernicke's space is involved in understanding written and spoken language. Just like Broca's aphasia, there is Wernicke's aphasia, which is when you ask a person a question and they respond with a more or less grammatical sentence, but which contains words which have little to do with the questions or, for that matter, each other. . People with this type of aphasia have difficulty naming things, often then responding with words that sound similar, or names of related things, it's as if they have absolute difficulty with their "mental dictionaries". »..”

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