Assignment 4 - The arched back, extended legs, and throwing...

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Assignment #4 As defined in the text, a reflex is “an inborn, automatic response to a particular form of stimulation.” While the majority of these reflexes disappear as the infant develops, every one of them has adaptive value. An infant’s eye blink reflex is when the eyelids are closed quickly and the only one that remains throughout life. The value of this reflex lies in the fact that it protects the infant from severe stimulation. When an infant turns their head towards the source of a stimulus they are employing their rooting reflex. The function of this involuntary action aids the infant in finding their mother’s nipple. The sucking reflex is when the infant sucks their finger in a rhythmic fashion. This action is very important in that it allows the infant to feed. If by some chance an infant is dropped in water the paddling and kicking movements generated by the swimming reflex will aid in the survival of the baby.
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Unformatted text preview: The arched back, extended legs, and throwing arms outwards actions of the Moro reflex have no specific adaptive functions but may have helped the infant cling to their mother in the past. The palmar grasp reflex when the infant instinctively grasps a finger. In terms of adaptive function, this automatic response will develop the skills needed for voluntary grasp. Lifting one foot and then the other is known as the stepping reflex and may lay the groundwork needed to walk. When an infant’s foot is stroked and, in response, their toes fan out and curl in the child is producing the Babinski reflex. Oddly enough, the adaptive value of this involuntary action is unknown. Although all of these reflexes possess distinctive functions, it is important to understand that assessing each one is vital in that it helps reveal the health of the infant....
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This note was uploaded on 11/03/2010 for the course ESSE 313 taught by Professor Hecht during the Spring '10 term at Old Dominion.

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