When Baby Ian is held horizontally on his back,he sometimes makes an "embracing" motion by arching his back,extending his legs,throwing his arms outward,and then bringing his arms in toward his body.Ian is demonstrating the __________.

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The Moro reflex is demonstrated when a baby is held horizontally on their back and experiences a sudden drop or movement, causing them to arch their back, extend their legs, and throw their arms outward before bringing them in towards their body in an embracing motion. This reflex usually disappears around 3-6 months of age. The palmar grasp is when a baby's hand tightly grips onto an object placed in their palm, the tonic neck reflex is when a baby's head is turned to one side and their arm and leg on that side extend while the opposite arm and leg bend, and the Babinski reflex is when a baby's toes spread out and curl upward when the sole of their foot is stimulated.

When Baby Ian Is Held Horizontally on His Back,he Sometimes