Module 3 (psyc 140) exam 2023 with 100% correct solutions

A. Infant Reflexes include rooting moro reflex grasping reflex (also known as Palmer grasp) stepping reflex A. Infant Reflexes Despite being entirely dependent on caregivers, infants come equipped with reflexes reflexes either protect them or enable them to get an early start on motor skills Each reflex eventually goes away when no longer needed A lingering reflex may indicate brain damage rooting involves the baby turning her head when her cheek or mouth is touched It presumably aids feeding as the infant finds something to suck moro reflex startle response infant arches back and throws out arms and legs infant behaves much as we would if we felt we were falling and tried to grab something to protect ourselves researchers believe that this reflex has survival value. grasping reflex (also known as Palmer grasp) can be extremely strong appears to be a stepping stone to additional motor development, as when an infant becomes able to grasp things voluntarily. stepping reflex involves the infant making stepping motions when held above a surface Again, it may serve as a building block for future motor development. Babinski reflex Reflex in which a newborn fans out the toes when the sole of the foot is touched tonic neck In response to head being turned baby stretches its arm on same side and opposite arm bends up at the eblow may prepare infant for voluntary reaching swimming reflex when held horizontally on their stomachs, newborns stretch out their arms and legs