How long does the Babinski reflex typically last in infants?

The Babinski reflex is a normal neurological response observed in infants, characterized by the fanning of the toes when the sole of the foot is stroked. This reflex typically lasts until the child is about one year old. After this time, as the nervous system matures and brain development progresses, the reflex typically fades, and a more adult-like response occurs, where the toes curl inward instead.

This timeframe aligns with significant developmental milestones during the first year of life, when the infant's motor skills and neurological pathways are rapidly maturing. The fact that the Babinski reflex can be assessed as a sign of neurological health in infants reinforces the importance of monitoring its presence and duration. Understanding the timing of this reflex helps caregivers and healthcare providers differentiate between normal development and potential neurological concerns.