Renan is in the Amazon observing a shaman ritual using ayahuasca. What hallucinogen is in the drink, and what neurotransmitter does it resemble?
a) Harmine; it resembles serotonin
b) Mescaline; it resembles norepinephrine.
c) Psilocybin mushrooms; psilocin resembles serotonin.
d) Hyoscyamine; it resembles acetylcholine.
A
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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
Motor association cortex is located
A) caudal to the visual association cortex. B) just rostral to the primary motor cortex. C) just below the auditory association cortex. D) caudal to the primary motor cortex. E) caudal to the primary somatosensory cortex.