Aphasia – When Language Goes Wrong

a·pha·sia ˈfāZHə/

Noun:
Loss of ability to understand or express speech, caused by brain damage.

I thought I’d explain in this post why it is that I’m fascinated with the phenomenon that is aphasia. The main reason it’s so interesting is that it can manifest itself in very different ways. Aphasia is a result of brain injury, most commonly strokes, head trauma or neurodegenerative diseases like dementia and Parkinson’s. So the effects observed in language depend on which part of the brain’s language areas were damaged; yet, not even this is necessarily consistent or predictable. Some of the stranger and more surprising effects can be seen in bilingual patients who can regain the use of one language but not the other, inadvertently switch language or communicate using a mixture of the two languages. Continue reading

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