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.

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Definitions:

Coupon Bond

A type of bond that pays the holder a fixed interest payment (coupon) periodically until maturity, at which point the principal is also repaid.

Semiannually

Occurring twice a year; a term often used in the context of paying interest or dividends every six months.

Intrinsic Value

The actual, fundamental worth of an asset, determined through financial analysis without reference to its market price.

Zero-Coupon Bonds

Bonds that do not pay periodic interest and are sold at a discount from their face value, with the total yield paid at maturity.