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Hello students, welcome to our first lab practice.

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As you remember, this first lab practice, we got this section of our brain.

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Remember that this is a brain of an animal.

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The first thing I would like you to know, that this is of an animal,

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this brain, the brain of a human being, it's much bigger of this animal, ok?

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The first thing that you can see is that the brain is divided into two hemispheres.

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We've got the left hemisphere and the right hemisphere.

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The first thing that you can see very clearly is that these round things are so-called convolutions.

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This convolution has this round shape in order to increase the number of neurons or increase the surface in order to have more neurons in the brain and to have more connection in our cortex.