Insertion into the brain of a thin insulated wire through which an electrical current is sent that destroys the brain cells at the tip of the wire is called __________

The six major facial expressions discussed in the text are widely considered to be

a. universal. b. culture specific. c. developmentally determined. d. primate specific.

Regarding erectile problems, which of the following statements is FALSE? a. If a man can have an erection at other times, such as during sleep, the problem is probably physical. b. Erectile problems in men are a normal part of aging

c. Secondary erectile problems often start with repeated sexual failures caused by drinking too much alcohol or by premature ejaculation. d. Secondary erectile disorders may be related to anxiety about sex in general, guilt because of an extramarital affair, or resentment or hostility toward a sexual partner.