What behavior in a neonate may indicate hunger?

The behavior of rooting or bringing hands to the mouth is a classic indicator of hunger in neonates. Rooting refers to the instinctive action where infants turn their heads and open their mouths when their cheek is stroked, often in search of a nipple for feeding. Similarly, when neonates bring their hands to their mouth, it signifies that they are in search of oral stimulation and nourishment.

This behavior is a natural reflex that promotes feeding and is essential for the newborn's survival and growth, making it a reliable sign for caregivers to recognize hunger signals. In contrast, behaviors like holding hands in fists or bobbling the head may not specifically signify hunger, as they can have other meanings or be part of normal reflexive movements. Crying, while it can indicate hunger, is also a response to other needs such as discomfort, wetness, or fatigue, making the rooting behavior a more specific indicator of hunger.