Marshall is a harsh, critical person. More often than not, he is in a bad mood and acts grumpily toward other people. According to Gray's reinforcement sensitivity theory, Marshall is more likely to experience more negative emotions because
A. he has a hypoactive behavioral approach system.
B. his brain has too much dopamine activity in its reward centers.
C. he has an active behavioral inhibition system.
D. he has an insensitive punishment system.
Answer: C
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Why is it thought that children with a difficult temperament are more likely to end up showing life-course-persistent antisocial behavior?
a. They have a certain defective gene. b. They have grown up under adverse circumstances. c. They evoke maladaptive reactions from their parents. d. Their brains are unable to form new neural pathways.
When used with adults, the ____ tends to underestimate IQ
a. Wechsler b. KABC c. Binet d. Peabody Picture Vocabulary
The major advantage of fMRI over PET is that fMRI:
A) measures both brain structure and function. B) allows for cause-and-effect determinations between brain function and behaviour to be made. C) does not involve the use of an expensive machine that generates magnetic pulses. D) allows for the measurement of brain activity on a much shorter time scale.
Louise is using a "club drug" that depresses the nervous system, causing feelings of relaxation. Unfortunately, the drug can also cause memory loss, headaches, breathing problems, loss of consciousness, and even death. Louise is most likely using
A. an amphetamine. B. GHB. C. LSD. D. ketamine.