How is it that people who suffer from amnesia retain the ability to comprehend and speak the language they did prior to the event that caused the amnesia?
In: Biology
In addition to the other answers – there are separate brain regions that control speech, and they can be damaged causing different speech impairments. Damaging Broca’s area can result in difficulty speaking at all, lacking full sentence structure, but with meaning intact. Damaging Wernicke’s area, on the other hand, results in fluid and grammatically correct speech, but lacking all meaning, as the words are just nonsensical, like a bad mad lib.
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