To test UES and LES reflex responses, we recorded upstream and downstream responses to graded volumes of abrupt mid-esophageal infusions of air (mechanosensitive stimulus) and liquids (liquid ...

This reflex might be difficult to notice. The movements can often be subtle. Your baby may not do it at all if they are fidgeting or crying. This reflex lasts until 5 to 7 months of age.. Grasp ...