The primary impact of synaptic pruning on the developing brain in toddlerhood is that both brain growth and activity slow down.

When members of a group devote their lives to obtaining physical pleasure and immediate satisfaction of their needs, according to Freud, this group is dominated by their:

a. ID b. preconscious c. ego ideal d. superego

Activated by the _____, gonads release _____

a) thymus; estrogen. b) pineal gland; testosterone. c) pituitary; corticoids. d) pituitary; sex hormones.