Infancy refers to the period of life between birth and the acquisition of language, which is approximately one to two years later

. During this time, infants develop many abilities, such as focusing their vision, reaching out, exploring, and learning about the things around them

. They also establish emotional bonds with their parents or other caregivers, which form the basis for healthy emotional and social development through childhood

. Infants are born with a surprising range of abilities, and most of their senses are quite well developed

. By the end of their first year, infants have greatly expanded their repertoire, and they are typically starting to walk and talk