In a Study by Cahill and Colleagues (1994), Researchers Gave

question 3

Multiple Choice

In a study by Cahill and colleagues (1994) , researchers gave half of the participants a drug while the others received a placebo. They found that the drug interfered with memory for details of an emotionally intense story, relative to the placebo, but had no effect on memory for details of a neutral story. What did the drug used in this study do?

• A) It blocks the activity of serotonin in the hippocampus.
• B) It increases overall physical arousal.
• C) It reduces parasympathetic nervous system influence on the heart.
• D) It blocks some aspects of sympathetic nervous system activation.