 When the face is turned to one side, the arm and leg on the side to which the face is turned extend and the arm and leg on the opposite side flex.The presence of the ATNR, as well as other primitive reflexes, such as the tonic labyrinthine reflex (TLR), beyond the first six months of life may indicate that the child has developmental delays, at which point the reflex is atypical or abnormal.For example, in children with cerebral palsy, the reflexes may persist and even be more pronounced.