A–Z Glossary

Hand preference

Hand preference is a tendency to use one hand more often, which may fluctuate normally during early infancy.

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Using Both Sides of the Body During Baby Development

Using Both Sides of the Body During Baby Development

What bilateral coordination means Bilateral coordination is the ability to use the two sides of the body together, either in similar ways or in complementary roles. A baby may stabilize a soft block with one hand while exploring it with the other, bring both hands together at the chest, or shift weight between the arms […]

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 […]