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Unformatted text preview: the next stage of cognitive development. There are several key components of Piaget's theory of cognitive development: 1) Schemas mental models that incorporate characteristics of people, places, objects, etc., that the child uses to complete a series of actions (ex. - to stand, an infant may have to reach up, grab side of crib, hold firmly, etc.). These schemas are adaptable to our lives. ..as we age and change so do the schemas by two processes: a) assimilation- incorporate new information with previous schemas. b) accommodation- alter an existing schema to compensate for new information. 2) Stages of Piagetian Development a) Sensorimotor- ages 0-2. Stage is marked by infant's increasing ability to organize and coordinate sensations and perceptions with their actions. 1. Object Permanence- most significant accomplishment during this stage - approx. 8 months old, infant acquires the ability to understand that objects that are out of sight still exist....
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- Fall '09