What does the Moro reflex indicate in an infant?

The Moro reflex, also known as the startle reflex, is a normal response in infants typically present from birth and disappearing by the age of 4 to 6 months. When an infant is startled by a loud noise or a sudden movement, they will throw their arms out to the sides and then bring them back together, often crying in response. This reflex indicates that the neurological system is functioning appropriately, showcasing the infant's developing motor and sensory coordination.

By observing the Moro reflex, healthcare providers can assess that the infant's central nervous system is responding appropriately to stimuli, which is a vital part of neurological development during the early months of life. A lack of this reflex or an abnormal response may indicate potential neurological issues, but the presence of the reflex confirms normal neurological functioning.