Medically reviewed by Jonathan B. Jassey, DO The Moro reflex is a protective "primitive reflex" seen in healthy babies up to 6 months old. A baby's arms quickly extend away from the body with palms up ...

Human babies are born with in-built instincts. These are called primitive reflexes. Don't forget to turn subtitles on.

The STNR is a primitive reflex that is characterized by upper ... who were examined at and/or prior to term and who had normal motor milestones on followup at a mean age of 27 months (12-61).