A–Z Glossary

Palmar grasp reflex

A palmar grasp is an early hand skill in which a baby closes the whole hand around a piece of food.

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Newborn Reflexes and What They Reveal About Development

Newborn Reflexes and What They Reveal About Development

What newborn reflexes are A reflex is a rapid, involuntary response to a stimulus. In newborns, many responses are called primitive reflexes because they are generated largely through lower or subcortical neural circuits before the cerebral cortex has developed the capacity for sustained voluntary motor control. These circuits include pathways in the brainstem and spinal […]

Primitive Reflexes: When They Appear and Fade

Primitive Reflexes: When They Appear and Fade

What primitive reflexes are Primitive reflexes are stereotyped, involuntary motor responses to particular stimuli. They are mediated largely by the brainstem and spinal cord, although their expression also depends on muscle tone, sensory input, arousal state, and the integrity of higher motor pathways. In a healthy newborn, these responses support survival and early interaction: rooting […]

Reaching, Grasping and Releasing by Age

Reaching, Grasping and Releasing by Age

What These Skills Mean Reaching is the intentional movement of an arm and hand toward a target. Early reaching may be inaccurate or interrupted by immature trunk and shoulder control. Over time, babies learn to visually locate an object, orient the arm toward it, adjust the hand as they approach, and make contact with increasing […]

When babies develop pincer grasp

When babies develop pincer grasp

What is a pincer grasp? A pincer grasp is the coordinated use of the thumb and index finger to pick up, hold, and release a small item. In a mature version, the fingertips approach one another with controlled precision. Some babies initially use the sides or pads of the fingers rather than the very tips; […]

When babies start self-feeding

When babies start self-feeding

When self-feeding usually begins Most babies start experimenting with self-feeding at approximately 6 months, which commonly coincides with the beginning of complementary feeding. Age alone, however, is not enough to establish readiness. The Centers for Disease Control and Prevention advises against introducing solid foods before 4 months, while public-health guidance from the NHS generally describes […]