By age 2, the number of neurons in the brain ____
a. decreases to a quarter as many as were present at birth
b. decreases to half as many as were present at birth
c. increases by twice as many as were present at birth
d. increases by four times as many as were present at birth
Answer: B
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When the Social Readjustment Rating Scale was updated in the 1990s, the researchers found that
a. participants felt they had better control over their stress responses. b. the life-change unit estimates had decreased by 45 percent. c. men in the 1990s reported experiencing more stress in their lives than women did. d. people reported experiencing higher levels of stress than the original 1960s sample.
Following a car accident, Jane and Joan both suffer head injuries with resulting amnesia
Joan cannot remember events that occurred before the accident, while Jane cannot remember events that occurred after the accident. Joan suffers from _____ amnesia and Jane from _____ amnesia. A) anterograde; retrograde B) retrograde; anterograde C) proactive; retroactive D) retroactive; proactive