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Brain Areas that Control Language and Speech – Language (PSY, BIO)

by Tarry Ahuja, MD
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    Now, let’s take a look at damage, because then in our world of psychology and neuroscience, anytime you want to try to understand function, damage is a great way to understand what happens if you remove the ability of that brain structure to work correctly. So, one area that we’re going to look at is Broca’s area. So it’s located in the left hemisphere of the frontal lobe. It’s indicated here as you can see. And it’s involved in the complicated process of speech production. So, actually, expressing what you want to say and put in the words together. So, you can have injury or a disorder called “Broca’s aphasia” where you actually lose the ability to speak. So, you know, what you want to say but you’re unable to communicate it. And it’ll come out as grunts or, you know, weird phonetic sounds but they don’t actually mean anything. So, you’ll see this in times where there’s stroke or trauma to the brain. They’ve damaged Broca’s area and, you know, the poor patient is quite frustrated because they’re trying to say something and all comes across is kind of grunts and moans. Now, another area that’s of interest is Wernicke’s area. This is located in the posterior section of the temporal lobe in the dominant hemisphere. So, we all have one dominant hemisphere. And for most, it’s actually the left hemisphere. So in that area, the Wernicke’s area found there, if it’s involved in some kind of damage, you see some deficiency. So normally, this area is involved in the comprehension of speech and written language. So, understanding what you’re saying and being able to write, a lot of times, what you’re thinking. So, Wernicke’s aphasia or also known as receptive aphasia is loss of the ability to produce...

    About the Lecture

    The lecture Brain Areas that Control Language and Speech – Language (PSY, BIO) by Tarry Ahuja, MD is from the course Making Sense of the Environment.


    Author of lecture Brain Areas that Control Language and Speech – Language (PSY, BIO)

     Tarry Ahuja, MD

    Tarry Ahuja, MD


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