Cognitive And Psychosocial Characteristics Of The Infancy...

Infancy is the second lifespan developmental stage within childhood. During this time an infant will experience many changes physically, cognitively and psychosocially. It is a critical time for growth and development, therefore adequate nutrition and health promotion is mandatory. This essay will describe the physical, cognitive and psychosocial characteristics of the infancy lifespan stage, briefly describe two lifespan theorists, Erik Erikson and Jean Piaget, in relevance to infancy and discuss two health behaviours, nutrition and vaccination in relation to the infancy lifespan stage. The first few months of an infant’s life is the most rapid time of growth. They go through physical changes such as their weight doubling in the first five months, then tripling by the age of twelve months. Their height is increased by 50% and their brain doubles in weights. During this time the fontanels become smaller, with the posterior fontanel closing at approximately two months, and the anterior fontanel at twelve months (Crisp Taylor, 2005, p. 187). The infant will undergo cephalocaudal and proximodistal patterns of growth and development. The cephalocaudal principle refers to the growth of the infant from the head down. As the infant grows, their disproportioned head becomes proportionally smaller as their body grows in height. This development also suggests that the infants motor skills will develop from their head down. The infant learns to control their upper body such as theirShow MoreRelatedFreud s Theory Of Psychosocial Development1437 Words   |  6 Pages The lifespan perspective is crucial for understanding human development. There are many different perspectives on the lifespan and the lifespan has been broken down in many different ways. A variety of scholars and theorists have proposed unique perspectives on lifespan. 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