Lexie enjoys talking to her infant sister Brianna.Lexie explains that she is three years old and holds up three fingers,then asks Brianna if she can do the same thing.Brianna waves her arms but doesn't seem to have much control over her finger movements.In words Lexie can understand her father explains that this is due to the ________________ principle.
A) cephalocaudal
B) proximodistal
C) sensorimotor
D) maturation

Question

Quizplus · Accepted Answer

The proximodistal principle refers to the pattern of development that starts from the center of the body and moves outward. This explains why Brianna, as an infant, has not yet developed fine motor control over her fingers.

Lexie Enjoys Talking to Her Infant Sister Brianna