You are reading a medical chart in which a patient is referred to as displaying chorea. If you met this patient, you might expect a lot of
a. restless and fidgety movements.
b. incoherent speech.
c. obscene language.
d. listlessness and psychomotor retardation.
Answer: a.
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In contrast to a PET scan, the fMRI technique
a. requires an injection of a radioactive chemical. b. provides more precise information when measuring a series of events in the brain. c. is more accurate in determining what a person is thinking, for instance, whether the thoughts are pleasant or unpleasant. d. involves placing electrodes on a person's scalp.
One explanation for why aggression leads to more aggression is that it is reinforced by the cathartic release of tension
Indicate whether the statement is true or false
What is the most important question for the levels-of-processing model of memory?
a) How long do memories last? b) How do we process information? c) How are visual memories stored? d) How much can we store in memory?
Fred is afraid of spiders. He won't even watch a nature show on TV about them. When he sees a picture of a spider, he has a panic attack, but when he avoids looking at the image, his panic goes away. Fred's avoidance of spiders is being __________
a) extinguished, because he feels anxious after doing so. b) recovered spontaneously, because he will never get better. c) positively reinforced, because he is rewarded by his anxiety going down. d) negatively reinforced, because he is rewarded by his anxiety going down.