Jeff's drug addiction to cocaine occurred because cocaine

overstimulated the reward system in his brain and
disturbed the function of which neurotransmitter?
a. serotonin
b. acetylcholine
c. dopamine
d. histamine


ANSWER: c

Psychology

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The study by Turkheimer and colleagues (2003) of twins from different socioeconomic status levels found that __________.

A. heritability was higher among low-income children and shared environment among high-income children B. both heritability and shared environmental factors were higher among high-income children C. both heritability and shared environmental factors were higher among low-income children D. heritability was higher among high-income children and shared environment among low-income children

Psychology

Kubler-Ross' On Death and Dying, published in 1969, sparked a lot of interest in the topic of dying and death

Indicate whether the statement is true or false

Psychology

The serious addiction that often accompanies stimulant use

a. is a urban myth. b. is time-limited and will fade on its own over a short period of time. c. is not related to the actions of neurotransmitters in the brain. d. may be related to long-term changes in the brain's neurotransmitter systems.

Psychology

If you looked at MRI results of brain activity of younger and older adults while viewing positive images, you would expect that brain activity would be relatively ___________ for older adults in the area of the brain called the ____________

a. lower; amygdala b. lower; prefrontal cortex c. higher; amygdala d. higher; prefrontal cortex

Psychology