sentence: Infant attachment is found to some degree in all mammals and is greatly expanded in humans.
sentences_before: Infant attachment is a multipurpose behavioral system essential to social animals. During infancy patterns of behavior are established on which other long-term relationships are built. The establishment of homeostasis of physiological systems, social and emotional development and learning are other functions.
sentences_after: Attachment is a behavioral system that is present at birth but that must be activated and developed.
concept_name: infant attachment
headings: Infant attachment
categories: Humans