You are conducting a fMRI study in which participants must suppress a particular stimulus. The fMRI signal associated with the suppressed stimulus should be ______________

Which animal has been trained using a form of stimulus control known as targeting?

a. a sea lion that waves its flipper at an audience b. a parrot that mimics human speech c. a dog that stops barking on command d. a dolphin that touches a stick with its snout

Why are many researchers skeptical about antidepressant drugs? a. The benefits are temporary, but the side effects are permanent

b. The drugs help people with mild depression, but they are less effective for serious cases. c. The effectiveness of the drugs discourages patients from long-term psychoanalysis. d. For many or most patients, the drugs are not much better than placebos.