engaging in some kind of pretend play.
begin to use inflections, negatives, and complex word orders in their speech.
Maturation of the hippocampus accounts for improvements in memory function in early childhood.
Fast-mapping is the process by which children quickly learn new words by connecting them to words and categories they already understand.
Moesha is a typical 18-month-old whose gross and fine motor skills will improve steadily throughout her preschool years.
fine motor skills.
preschoolers are less egocentric than Piaget thought.