The notion that learning a conditioned emotional response to a tone involves long-term potentiation is supported by studies in which
a. activation of NMDA receptors impairs CER learning.
b. electrical stimulation of neurons that project to the amygdala produces less overall neural firing in the amygdala.
c. CER learning is blocked when a drug prevents the insertion of AMPA receptors into dendritic spines.
d. cells of the amygdala do not show evidence of long-term potentiation.
e. few NMDA receptors are found in the amygdala.
Answer: c. CER learning is blocked when a drug prevents the insertion of AMPA receptors into dendritic spines.
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a. true b. false
When Savage-Rumbaugh and colleagues compared the language performance of Kanzi,
a pygmy chimpanzee, with a 2-year-old human, they found that a. Kanzi's syntax was less complex, but his vocabulary was the same. b. the 2-year-old performed better on novel commands. c. they performed equally well. d. Kanzi's performance was better for novel forms of command. e. the 2-year-old had a larger vocabulary.