It’s one of the most easily recognized primitive reflexes, and it lasts until your baby is around 5 to 7 months old. It is thought that, during birth, tonic neck reflex helps your baby make ...

Asymmetric tonic neck reflex, or ATNR, is one of the primitive reflexes that babies experience as part of brain development. These reflexes are crucial because they help your baby to survive and ...

There are five common reflexes you’ll see in your newborn: The symmetric tonic neck reflex (STNR) is a reflex that normally appears during your baby’s first year. It typically begins to ...