A baby's ability to manipulate objects greatly expands with the development of the __________,use of the thumb and index finger opposably.

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Quizplus · Accepted Answer

The pincer grasp is the ability to pick up and manipulate small objects using the thumb and index finger in opposition to the rest of the hand. This type of grasp develops around 8 to 12 months of age and greatly expands a baby's ability to manipulate objects. The ulnar grasp is an earlier, less precise grasp that uses the pinky side of the hand to hold objects. The fine-motor reflex and prereaching grasp are not related to the development of the pincer grasp.

A Baby's Ability to Manipulate Objects Greatly Expands with the Development