Cognitive Development can be explained as the emergence of thought processes beginning from infancy to childhood to adolescence to adulthood. The aim of this essay is to focus on Piaget and Vygotsky’s theories of cognitive development. Jean Piaget is a Swiss developmental psychologist who is known for his epistemological studies. On the other hand, Lev Semyonovich Vygotsky, a Soviet psychologist best known for his theory known as the Cultural-Historical theory. Both Vygotsky and Piaget were particularly interested in Cognitive Development in children. Piaget’s theory of development consists of four phases. The sensorimotor, the pre-operational stage, the concrete operational stage and the formal operational stage (Piaget, 1952). In the Sensorimotor stage which is the age of zero to two years, the infant’s knowledge of their environment developed through their senses, experiences and physical movements. Physical development increases the chances of the infant to develop new intellectual abilities. In the Pre-operational stage which is the age between two to seven years, understanding and reasoning is expressed by the use of symbols and language and imagination is developed, but reasoning is illogical and egocentrism prevails. The child develops object permanence (Woolfolk, A., 2004). In the Concrete operational stage which is from age seven to eleven years, intelligence is denoted by through logical manipulation of concrete objects and here …show more content…
They had many differences and also a few similarities in their outlooks. Their theories are of great importance and are used in researches to validate their views. It is true that both society and the individuals’ themselves work together to develop. Individualism and influences of environment create a complete individual. Both Piaget and Vygotsky were great psychologists and their work is greatly valued till