A–Z Glossary

Arousal regulation

An infant's ability to become calmer, more alert, sleepier, or more organized in response to caregiving and surroundings.

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Calm Voice and Repetitive Sounds for Soothing

Calm Voice and Repetitive Sounds for Soothing

Why Predictable Sound Can Feel Settling Infants are developing the capacity to regulate arousal: the shift between alertness, distress, drowsiness, and sleep. In early life, this regulation is largely co-regulated, meaning that the baby relies on an adult’s responsive presence, touch, movement, feeding, and voice. A calm vocal pattern may contribute because it is socially […]

Why babies smile randomly

Why babies smile randomly

Early smiles are often spontaneous, not social In newborns, a smile does not always mean the baby is expressing pleasure in the adult sense. Early facial smiles are frequently spontaneous, endogenous events that arise from immature nervous-system activity rather than from an external social cue. They can appear briefly and vanish just as quickly, which […]

Baby recognizing parents behavior

Baby recognizing parents behavior

Recognition begins as multisensory learning When babies recognize caregivers, they are not relying on one single skill. Recognition is usually multisensory. A newborn may respond to a familiar voice, settle when held in a familiar way, orient toward a caregiver’s smell, or show feeding-related cues when placed close to the chest. These early responses are […]