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What are reflexes? What are some reflexes of infants?
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Describe two reflexes that infants display.
Infancy and Childhood
Physical, Perceptual, and Language Development
Watch this video (http://openstaxcollege.org/l/ newreflex) to learn more about newborn reflexes. Newborns have a set of reflexes that are expected to have been crucial to survival before the modern age. These reflexes disappear as the baby grows, as some of them may be unnecessary as they age. The video demonstrates a reflex called the Babinski reflex, in which the foot flexes dorsally and the toes splay out when the sole of the foot is lightly scratched. This is normal for newborns, but it is a sign of reduced myelination of the spinal tract in adults. Why would this reflex be a problem for an adult?
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