What Property of the Brain Accounts for the Finding That

Multiple Choice

What property of the brain accounts for the finding that children's lateral preferences are apparent early but become stronger over time?

A) It is initially not at all lateralized, but becomes lateralized with age.
B) It is already lateralized at birth and becomes increasingly so with age.
C) It is not fully myelinated until puberty.
D) It is not fully differentiated at birth.