Early brain development

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12 Terms

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Forebrain

the anterior part of the brain including the hemispheres and the central brain structures

<p>the anterior part of the brain including the hemispheres and the central brain structures</p>
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Midbrain

The middle section of the brain forming part of the central nervous system

<p>The middle section of the brain forming part of the central nervous system</p>
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Hindbrain

The lower part of the brain forming part of the central nervous system

<p>The lower part of the brain forming part of the central nervous system</p>
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Anterior

towards the front

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Posterior

towards the back

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Cerebellum

Ensures that muscular contractions are controlled to produce smooth, accurately timed movements; it helps maintain equilibrium by predicting body positions ahead of actual body movements [Latin, literally: "little brain," diminutive of cerebrum]

<p>Ensures that muscular contractions are controlled to produce smooth, accurately timed movements; it helps maintain equilibrium by predicting body positions ahead of actual body movements [Latin, literally: "little brain," diminutive of cerebrum]</p>
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Medulla oblongata

Connects the upper brain to the spinal cord and controls automatic responses

<p>Connects the upper brain to the spinal cord and controls automatic responses</p>
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Involuntary response

A response to a stimulus that occurs without someone making a conscious choice. They are automatic, such as reflexes.

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Neural connections

Links formed by messages passing from one nerve cell to another.

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3 to 4 weeks old foetus

Long tube develops in the brain - divided from front to the back into forebrain, midbrain and hindbrain.

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5 weeks old foetus

The forebrain and hindbrain split into two cavities: the forebrain splits into an anterior and a posterior section and the hindbrain splits through the middle.

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6 weeks old foetus

The cerebellum can be seen. It will triple in size by the first year after birth.