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14 Cards in this Set
- Front
- Back
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Zygote
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The fertilized egg; it enters a 2-week period of rapid cell division and develops into an embryo.
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Embryo
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The developing human organism from about 2 weeks after fertilization through the second month.
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Fetus
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The developing human organism from 9 weeks after conception to birth.
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Teratogens
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Agents, such as chemicals and viruses, that can reach the embryo or fetus during prenatal development and cause harm.
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Fetal Alcohol Syndrome (FAS)
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Physical and cognitive abnormalities in children caused by a pregnant woman's heavy drinking. In severe cases, symptoms include noticeable facial misproportions.
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Rooting Reflex
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A baby's tendency, when touched on the cheek, to turn toward the touch, open the mouth, and search for the nipple.
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Habituation
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Decreasing responsiveness with repeated stimulation. As infants gain familiarity with repeated exposure to a visual stimulus, their interest wanes and they look away sooner.
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Maturation
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Biological growth processes that enable orderly changes in behavior, relatively uninfluenced by experience.
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Schema
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A concept or framework that organizes and interprets information.
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Assimilation
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Interpreting one's new experience in terms of one's existing schemas.
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Accomadation
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Adapting one's current understandings (schemas) to incorporate new information.
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Cognition
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All the mental activities associated with thinking, knowing, remembering, and communicating.
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Sensorimotor Stage
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In Piaget's theory, the stage (from birth to about 2 years of age) during which infants know the world mostly in terms of their sensory impressions and motor activities.
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Object Permanence
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The awareness that things continue to exist even when not perceived.
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