In sensorimotor stage, infants from birth to two years old focus on the here and now. In this stage, children lack object permanence, which is when children are able to figure out that objects do not simply disappear if they cannot see them anymore. Instead, their experiences rely on their …show more content…
In this stage, the child has acquired all the abilities in the first two stages which include: object permanence, deferred imitation, and mental representations. In addition, the child is able to think in mental operations, but strictly for only physical events. For example, the child is able to sort coins by size. The child also develops conservation, the concept that unless a quantity has been added or taken away from the original. So the child knows that pouring water from a tall, skinny glass into a short, fat glass, the water in the cups are the same.
In cognitive development, Piaget developed four stages that many still refer to today. The four stages are sensorimotor, preoperational, concrete operational, and formal operational. In each stage, a child’s mindsets and abilities are different than the other stages. So a three year old and a nine year old will have different abilities because they are in different stages and so have different