What key development occurs during infancy in Erikson's psychosocial theory?

In Erikson's psychosocial theory, the key development that occurs during infancy is the development of basic trust. This stage, known as Trust vs. Mistrust, occurs from birth to about 18 months. During this period, infants learn to trust their caregivers to meet their basic needs, such as food, comfort, and affection. When these needs are consistently met, infants feel secure and are more likely to develop a sense of trust in the world around them.

This foundational trust sets the stage for future relationships and emotional well-being. If the infant's needs are not adequately met, they may develop a sense of mistrust and anxiety, which can impact their interactions and relationships later in life. Trust becomes integral to the individual's later ability to rely on others and form healthy relationships.

The other options touch on important developmental milestones, but they are associated with later stages of Erikson's framework. The establishment of personal independence typically occurs in early childhood, while the formation of identity is a crucial aspect during adolescence. Assertion of control over the body is significant in the context of autonomy, which also emerges when the child is a bit older, in the stage of autonomy vs. shame and doubt. Thus, in the context of infancy, the central developmental task