Have you ever heard of newborn or primitive reflexes? Learn more about this fascinating part of child development!
Newborns are cute and snuggly but they’re pretty darn smart too! Equipped with some amazing, although involuntary, movements from Mother Nature, babies enter the world ready to suck on a breast or bottle and grasp their mama’s finger.
These innate movements are called newborn or primitive reflexes and as part of our ABC’s of Child Development Series, we are going to explore them so you know what to make of those seemingly jerky, out of control movements your baby might be making!
Rooting Reflex: This reflex is produced by stroking an infant’s cheek, which causes the baby to turn his head toward the touch and open his mouth for food. This reflex will disappear around 9 months of age.
Moro Reflex: This is that crazy dance-like movement you might see an infant do on the floor. First, the baby extends her arms, arches her back and then extends her legs. After all of that, she flexes everything almost like she is ready to curl up in a ball. This is the reflex that happens if a baby’s head suddenly falls back into extension if you forget to hold it up! It disappears around 3-6 months of age.
Grasping Reflex: When you stroke an infant’s palm, the reflexive response is a fisted, tight grip – so strong that it can allow a baby to carry his own weight! This is measured by the pediatrician when he has your infant lying on her back, allows your baby to grasp his finger, and gradually lifts her from the table using her own grasp. This reflex will integrate around 2-3 months of age.
Swimming Reflex: Yep, if you place your baby’s face in water, she will demonstrate well-coordinated swimming movements. Crazy, huh? This is a primitive reflex, meaning that it was present even when your baby was in utero. It will disappear around 6 months of age. Here is an awesome video to illustrate what natural little swimmers babies are!
Asymmetrical Tonic Neck Reflex: This is the “fencer” position that you often see a baby assume when his head is turned to one side while he is on his back. The arm and leg on the side that his face is turned toward extend while the opposite arm and leg flex. It will go away between 2-7 months of age.
Babinski Reflex: This is a reflex that you will see your pediatrician test for as well. He may stroke the bottom of your baby’s foot to ensure that her foot twists in and her toes fan out in response. It will drop away around 6-9 months of age.
Primitive Walking Reflex: This one speaks for itself. It involves a series of stepping motions of your infant’s legs when you hold him under the arms and his feet contact the floor. It will go away around 4-8 weeks of age.
As all of these reflexes mature and disappear, your child continuously develops more coordinated voluntary movements. With repeated practice, these movements will become more and more precise and complex, leading to strong posture and balance.
Check out this video for examples of each of these reflexes.
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At The Inspired Treehouse, we believe that information about developmental skills and child development should be accessible to everyone, not just medical professionals. You won’t find a lot of complicated lingo here – we prefer breaking things down into terms that are a little less intimidating. That’s why we’re bringing you this awesome series: The ABCs of Child Development!
Over the next few months, we’ll be making our way through the alphabet, assigning the letters to different developmental skills. From gross motor to fine motor to sensory and more…when it comes to developmental terminology (and easy-to-understand definitions), you’ll find everything you’re looking for all in one place!
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