Imaging studies suggest that the activity of the _______ is inversely proportional to the amount of cocaine that users take each week
a. medial prefrontal cortex
b. hypothalamus
c. dorsal anterior cingulated cortex
d. nucleus accumbens
e. ventral tegmental area
Answer: a. medial prefrontal cortex
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In classical conditioning, an unconditioned stimulus is
a. an unlearned reaction to a stimulus that occurs without previous conditioning. b. a learned reaction to a stimulus that occurs as a result of previous conditioning. c. a stimulus that evokes a response without previous conditioning. d. a previously neutral stimulus that has acquired the capacity to evoke a learned response.
Mike's parents understand that at 16, he needs more rest than he is getting. They have a strict bed time of 10:00 p.m. on school nights. Unfortunately, Mike is wide awake and cannot sleep. Which of the following explains this situation?
A. puberty B. phase delay C. increased testosterone levels D. sleep deprivation
The main difference between the parallel forms and split¬-half techniques for assessing reliability is that
a. the parallel forms techniques involves testing participants on two separate occasions and the split half technique does not. b. items are arbitrarily divided for comparison in the parallel forms procedure but this is not true for the split half technique. c. a high positive correlation between scores reflects good reliability for the parallel forms procedure but a high negative correlation is indicative of good reliability for the split half procedure. d. split half correlations reflect stability whereas parallel forms correlations do not.
Which area of the cortex processes information from the senses and contributes to higher mental abilities, such as language?
a. motor cortex b. somatosensory cortex c. aphasic cortex d. association cortex