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The Endowment for Human Development
The Endowment for Human Development
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Playlist: Prenatal Movement

The Rapidly Growing Brain

#028, Movie 1 of 36

6 weeks, 6 days

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Script:

By 6 weeks the cerebral hemispheres are growing disproportionately faster than other sections of the brain.

The embryo begins to make spontaneous and reflexive movements. Such movement is necessary to promote normal neuromuscular development.
From The Biology of Prenatal Development.Buy Now
    All ages referenced to fertilization, not last menstrual period.
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