Elsa Is a One-Year-Old Infant

Multiple Choice

Elsa is a one-year-old infant. Her mother notices that while playing in the garden, Elsa often picks up tiny insects and worms by making a tight fist. A few months before, she had only been able to pat the insects and not pick them up as they were so tiny. This is an example of _____.

A) a pincer grasp
B) canalization
C) an ulnar grasp
D) habituation