Answer:
Sensorimotor stage
Explanation:
The sensory-motor stage is the first stage out of four stages given by Piaget's theory of cognitive development. It starts from birth to 2 years. It is the periods of rapid growth. the child learns through his senses and actions. The child use assimilation and accommodation process to adapt to the world. Â
This stage is broken in six sub-stages:
Object permanence, the object concepts which is related to the existing and event occurs in the world independently of self actions