Developmental Psychology Latest Update

Developmental Psychology Latest Update zygote stage in prenatal development from conception to 2 weeks embryo stage in prenatal development from 2 to 9 weeks, wherein organs and primary sex characteristics begin to develop fetus stage in prenatal development from 9 weeks to birth teratogens harmful environmental agents that disrupt proper development (e.g. alcohol) habituation decreasing responsiveness to an unchanging stimulus; used to assess infant cognition rooting reflex infant reflex wherein the baby will, when touched on the cheek, turn its head toward the direction of the touch and search for a nipple sucking reflex when an object is placed in the baby's mouth, he will begin to suck on it grasping reflex when touched on the palm of the hand, a baby will wrap his fingers tightly around the stimulus Moro reflex infant startle response; when alarmed, the baby will fling his limbs outward, then retract them and hold them close to his body Babinski reflex when stroked on the bottom of the foot, a baby will spread its toes Jean Piaget most famous for his 4-stage model of cognitive development schema concept or framework that organizes and aids in interpretation of information maturation physical (or biological) process of growth; believed to occur in mostly universal sequence, though timing varies from individual to individual assimilation interpreting new information with the context of existing schemas accommodation adjusting or changing one's schema's to account for new information conservation principle that certain properties