Rats conditioned to pair a neutral tone with a shock to their feet showed a fear response, freezing in response to the tone and memory of the impending shock.
Which part of the brain was likely activated in regulating this fear memory?

a) Amygdala

b) Cerebellum

c) Hippocampus

d) Prefrontal cortex

e) All of the above

f) None of the above

Read the aphorisms. be slow in choosing a friend, slower in changing. an open foe may prove a curse; but a pretended friend is worse. a true friend is the best possession. according to these aphorisms from benjamin franklin's poor richard's almanack, what might happen if a person is careless in choosing a friend? it is best not to have friends because they will usually betray you. casual friends are often the best and can be more trusted than enemies. a person who has betrayed you can sometimes become a good friend. a friend who is not carefully chosen can be worse than an enemy.

Describe at least three effects of the drug war in mexico.

Which sentences describes a cycle of dependency? a. aid harms the local economy creating the need for more aid. b. aid improves infrastructure and creates more wealth and more good infrastructure. c. aid programs become more reliable over time so people can depend on them. d. no answer is correct