For nearly all of human history, people have worked until they _________
a. retired
b. could simply no longer work
c. died
d. had grandchildren
Answer: B
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Using brain imaging techniques to examine activity of the prefrontal cortex (PFC) in depressed patients, researchers have reported finding
a. decreased activity. b. increased activity. c. decreased activity in some PFC regions and increased activity in others. d. decreased activity in patients with depressive disorder and increased activity in patients with bipolar depression.
Which of these is an example of stimulus generalization? a. You smile while watching a comedy movie
b. You smile when someone points a camera at you and tells you to smile. c. You smile at someone who looks like your best friend. d. You smile while remembering one of your best accomplishments.