Piaget's Theory of Cognitive Development

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Piaget developed his theory on the idea that the major development that every human being goes through, they go through in their child hood years. Starting at birth and going all the way up to adolescence, humans are constantly going through cognitive stages and becoming more and more developed. His stages start with the sensorimotor stage that occurs from birth to two years in which infants are discovering the world through all of their senses. Then he moves on to the preoperational stage that occurs between the ages of two and seven in which children cannot transform information in to logical ideas but rather images and symbols. After that comes the concrete operational stage that happens between the ages of seven and eleven and in this stage children can no understand logical principles and apply them externally. Finally comes the formal operational stage that happens in people usually over the age of eleven in which they think logically about abstract ideas, and think about what might or should be. In Piaget’s sensorimotor stage it is believed that infants start to develop cognitively through sensory experiences. Beginning in very early life infants start to suck on things and grab things reflexively. Infants get pleasure out of discovering things through putting them in their mouth and as they start to get older they become more aware of things they can suck on and things they can’t, just as things they should hold on to and things they shouldn’t. As infants begin to develop more and get their hands on more things they will learn that some object make noise and thy will discover how to get the objects to make noise; therefor incorporating another one of their 5 main senses, hearing. Noises will also give them pleasure just like sucking on things and they will start to show more outward motions such as smiles and giggles to let parents and adults know how

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