Jean Piaget (1896-1980) was a Swiss psychologist and key figure in child development. He is notable for his theory of cognitive development, which examines how children’s minds grow. Swiss researcher Jean Piaget linked language skills acquisition to cognitive development. He said a child must grasp a topic before learning its verbal form.
According to Jean Piaget’s theory of spoken language development, children acquire language via both assimilation and adaptation. Assimilation is the act of altering one’s surroundings in order to incorporate new knowledge into a previously established schema (or idea). The act of modifying one’s schema in order to adapt to a new situation is known as accommodation.
Piaget felt that infants must first grow intellectually before they can acquire a full grasp of the spoken word. According to him, Children first form mental structures (schemas) inside the mind, and from these mental structures, language development occurs.