Worry about health may be considered excessive when it results in functional impairment or unnecessary medical procedures

Short bursts of brainwave activity that appear during stage 2 sleep are called __________

a) delta waves b) sleep spindles c) paradoxical sleep waves d) beta waves

Current evidence on bonding shows that

A) the human parent–infant relationship depends on what happens during a sensitive period immediately after birth. B) the human parent–infant relationship does not depend on a precise, early period of togetherness. C) skin-to-skin contact between parent and baby is vital for the parent to feel affection and concern for the infant. D) adoptive parents have difficulty developing warm relationships when the infant enters the family months after birth.