A nurse is caring for an E-month-old infant who screams when the parent leaves the room. The parent begins to cry and says, "I don't understand why my child is so upset. I've never seen my child act this way around others before." Which of the following statements should the nurse make?

Behavioral responses in infancy are strongly influenced by developmental milestones related to attachment and cognitive awareness. At around 6–8 months of age, infants commonly develop separation anxiety due to increased recognition of primary caregivers and limited understanding of object permanence. This leads to distress when the caregiver leaves the room, even in safe environments. The nurse’s role is to provide anticipatory guidance to normalize this developmental stage for the parent. A. Stating that the reaction is typical for a sick child is inaccurate because separation distress in infants is primarily developmental rather than illness-related. While illness can increase irritability, this behavior specifically aligns with normal emotional and cognitive development. Linking it to sickness may unnecessarily increase parental anxiety and misinterpret the child’s developmental stage. B. This statement correctly identifies the behavior as part of normal development in infancy. At this age, infants begin to experience separation anxiety due to emerging object permanence and strong attachment to primary caregivers. Crying when the parent leaves is expected and reflects healthy emotional bonding rather than pathology or distress from illness. C. Overstimulation would typically present with signs such as irritability, difficulty settling, or sleep disturbances in response to excessive sensory input. The described behavior is specifically triggered by caregiver absence, not environmental overstimulation. Therefore, this explanation does not accurately address the underlying developmental cause of the infant’s distress. D. Overexposure to caregivers is not a recognized cause of separation anxiety in infants. Instead, consistent caregiving promotes secure attachment, which may actually intensify distress when separation occurs. The infant’s reaction reflects normal attachment behavior rather than excessive caregiver interaction.