Patterns of complementary feeding (weaning) in countries of the European Union: topics for research

Infants often form early attachments to older siblings, using them as a source of comfort during distress. As infants become more mobile, sibling conflict commonly increases over toys, personal space, and parental attention, particularly after about 18 months.Conflict and Social LearningAs toddlers become more involved in family interactions, they learn which behaviors please or annoy their siblings. Although disagreements may involve rivalry or frustration, they can also promote...

Social referencing is the process by which infants and young children use others’ emotional reactions to determine how to respond to unfamiliar or uncertain situations. Caregivers provide cues through facial expressions, tone of voice, and behavior, helping children judge whether an object or event is safe, threatening, or enjoyable. This ability supports emotional development, social learning, and adaptation to the surrounding environment.Development of Social ReferencingSocial referencing...

How animals obtain and eat their food is called foraging behavior. Foraging can include searching for plants and hunting for prey and depends on the species and environment.

Crying is an important form of communication during infancy, and different crying patterns can signal different needs or states. Infants can produce different cries associated with hunger, anger, and pain. These patterns vary in rhythm, intensity, and onset, helping caregivers recognize what an infant may be expressing.Types of Infant CriesThe basic cry is often associated with hunger. It typically follows a rhythmic sequence of crying, a brief pause, and an inward breath. This inhalation may...

Infants and toddlers show early interest in peers, especially children of similar age and developmental level. Between 6 and 12 months, infants increasingly touch, smile at, and babble to one another. These brief interactions often happen alongside individual play rather than as coordinated activity.Early Peer InteractionAround the first birthday, children begin sharing objects, making eye contact, smiling, and approaching peers. Behaviors such as hitting, grabbing, or repeated touching may...

The sense of taste begins developing before birth and is shaped by biological predispositions and early experience. During pregnancy, flavors from foods consumed by the mother can enter the amniotic fluid, exposing the fetus to different flavors. These prenatal experiences may contribute to food preferences after birth.Prenatal and Breastfeeding InfluencesAfter birth, flavors from a mother’s diet can also pass into breast milk. Repeated exposure to these flavors during breastfeeding may make...