What reflex allows an infant to grasp when an object is placed in their hand?

The grasp reflex is a natural instinctive response seen in infants where they automatically grasp an object placed in their hand. This reflex is crucial for the early stages of development because it establishes a foundation for physical interaction with the environment. When something touches the palm of an infant's hand, the nervous system triggers the muscles to tighten, allowing the infant to hold onto that object. This reflex plays an important role in promoting bonding and interaction between the infant and caregivers, as it often leads to affectionate contact.

In terms of development, the grasp reflex typically begins to diminish around 3-4 months of age as the infant gains more voluntary control over their hand movements. This shift from reflexive to intentional grasping is an important milestone in the physical development of children. Understanding this reflex helps caregivers recognize normal developmental stages and encourages them to engage with infants appropriately during their early growth phases.