The document summarizes Piaget's theory of cognitive development in infants and key aspects of infant learning and memory. It describes Piaget's sensorimotor stages from birth to age 2 and how infants develop schemes and the processes of assimilation and accommodation. It then discusses infant memory capabilities, explicit and implicit memory systems, and factors that influence infant memory like interference. Finally, it outlines approaches to assessing infant intelligence and language development, including first words and sentences, as well as theories of how infants acquire language skills.