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 ...

The tonic neck reflex (TNR) is also called the asymmetric(al) tonic neck reflex (ATNR). There’s also a symmetric(al) tonic neck reflex (STNR) , which comes later in infancy and is less talked about.

Learn about the rooting reflex and other newborn reflexes such as the Moro reflex, the stepping reflex, and the Babinksi ...

The asymmetrical tonic neck reflex (ATNR) is a primitive reflex found in newborn humans, but normally vanishes around six months of age. When the face is turned to one side, the arm and leg on the ...

Learn about your baby’s symmetric tonic neck reflex (STNR), including its relationship with other primitive reflexes, including TLR and ATNR.