If blood vessels in the brain rupture, cutting off the supply of oxygen to parts of the brain and thereby killing surrounding brain tissue, the person is said to have suffered a

According to research on sleep deprivation, a small amount of sleep loss ____

a) decreases cognitive ability. b) is not a problem at all. c) is a problem only for women, not men. d) does not affect people older than age 12.

After late adolescence, improvements in intellect are based on all of the following EXCEPT

a. gaining specific knowledge. b. one's experiences. c. gains in wisdom. d. leaps in one's basic thinking capacity.