A laboratory rat is injected with amphetamines and heroin during the course of an experiment to determine how the animal responds. Findings will show that the activity level of the neurons in the animal's nucleus accumbens
a) is reduced
b) stays the same.
c) is increased.
d) is not measured.
A
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Spontaneous recovery appears at the beginning of extinction sessions that are separated by rest periods. Eventually, with continued extinction sessions, it is most likely that the
a. level of spontaneous recovery will increase to the point that extinction is essentially reversed. b. sessions will take less and less time to complete, and fewer and fewer responses will be emitted. c. animal will continue to rest after being returned to the chamber, and very little activity will be observed there during the sessions. d. period of spontaneous recovery will move from the beginning of the session to the middle and then to the latter portion of the session.
Early signs of giftedness include all of the following EXCEPT
a. the tendency to seek out older children and adults. b. talking in complete sentences as early as two or three years of age. c. showing kindness and understanding toward others. d. being absentminded and disorganized.
Thomas Edison, who patented over 1,000 inventions, was interested in exploring new ideas and ways of doing things. His insatiable curiosity would be called a __________motive
a. stimulus b. biological c. learned d. survival
Most people have both positive and negative experiences in their lives. When researchers have looked at the relationship between happy events (uplifts) and irritating events (hassles),
they have found that the inflammatory factors indicative of cardiovascular disease a. are only affected by uplifts. b. are only affected by undesirable life events. c. are affected positively by daily hassles and negatively by uplifts. d. respond in a positive way to uplifts by decreasing these factors and in a negative way to hassles by increasing these factors.