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Areas of the Brain and Their Functions

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Please define the terms listed below and explain how they can be distinguished from each other.

- Left/Right Hemisphere - Three Parts: Cerebral Cortex; Cerebellum; Brain Stem
- Medulla Oblongata
- Four Lobes and what they do:
- Hippocampus, Hypothalamus, Amugdala
- Limbis System as supporting Emotion and Memory
- Weneckie's Aphasia
- Broca's Aphasia
- Severing Corpus Collosus

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Solution Summary

The areas of the brain and their functions are examined.

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The left and right hemispheres aren't very different since most structures are mirrored on both sides, although there are some studies which demonstrate that one area is used a little more predominantly than the other in individuals. Perhaps the biggest differences would include the Wernicke's and Broca's areas in the left parietal lobe - discussed in a little more detail below.

Cerebral cortex - This is the top layer of the brain where all the neuron cell bodies reside. It's important precisely because a large percentage of the brain's neurons are on the cortex, and so without the cortex, the brain is devoid if a large majority of its neurons. The cortex as a whole, controls many voluntary functions.

Cerebellum - The back of the brain, the wrinkly part that looks to be separate but attached to the brain. The cerebellum is very important in proper fine motor control and balance.

Brain stem - Evolutionarily the oldest part of the brain, the structures in the brain stem are largely involved in the involuntary control over vital functions such as breathing, control of heart rate etc.

Medulla Oblongata - A small area in the brain stem which is most ...

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