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

Question

Quizplus · Accepted Answer

The pincer grasp involves the ability to use the thumb and index finger opposably to manipulate small objects. This typically develops around 9-12 months old and greatly expands a baby's ability to explore and interact with their environment. The grasp reflex (B) is an automatic reflex present in newborns where they will tightly grip an object placed in their hand, but it disappears after a few months. The ulnar grasp (C) is an early grasping pattern where a baby uses their whole hand to grasp objects. Prereaching (D) is the early flailing movements a baby makes towards objects, but they are not yet able to successfully reach and grasp them.

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