One-week-old gabrielle turns toward her mother every time she touches the baby's cheek. gabrielle is demonstrating the reflex.

Rooting reflex

This is a reflex that is found in new born  infants, who naturally turn the face toward the jolt and establish  movements with the mouth when the cheek or lip is touched. The movement is automatic and helps them accurate locate their mother's breast  
as the  reflex guarantees effective breastfeeding.