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conception
mother becomes pregnant with child -
Physical development
embryo develops fingers toes, eyes, ears , a nose, a mouth, a heart, circulatory system, and becomes a fetus. -
Birth
Baby with babinski reflex, and certain weight and length is born. -
infancy begins
Baby has rooting reflex, withdrawing from pain reflex. and sucking and swallowing reflex. -
Perceptual development
Baby prefers human faces compared to other patterns. -
attachment develops
infant longs for mother when separated and has stranger anixiety. -
cognitive development
sensorimotor stage becomes active -
motor development ends
baby as learned to turn on stomach, sit, crawl, kneel, stand, and walk by now -
Infancy over childhood begins
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cognitive development
preoperational stage begins sensorimotor ends -
cognitive development
concrete-operational stage begins preoperational ends -
cognitive development
formal-operational stage begins.