You Train a Macaque to Respond to the Presentation of a Red

question 1

Multiple Choice

You train a macaque to respond to the presentation of a red circle by ringing a bell, after which she is presented with a treat. One evening, the power goes out, but you decide to continue your training with the macaque using the waning sunlight. To your surprise, the macaque seems to be unable to respond properly to the red circle after about an hour. What is one explanation for the macaque's regression?

• A) The repeated training has made the red stimulus too ambiguous to the macaque's perception.
• B) The waning light has made the red stimulus appear brighter due to increased cone activation.
• C) The waning light has made the red stimulus less prominent due to increased rod activation.
• D) The waning light has made the red stimulus less prominent due to decreased cone activation.
• E) The repeated training has made the red stimulus appear green to the macaque.

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Definitions:

Goods Trade

The act of buying, selling, or exchanging tangible products between countries or within a country.

Balance of Payments Deficit

A situation where a country's total international payments exceed its total international receipts over a specified period, indicating more money flowing out than coming in.

Flexible Exchange Rates

A currency system where the value of a currency is allowed to fluctuate according to the foreign exchange market.

Trade Deficit

The amount by which a nation’s imports of goods (or goods and services) exceed its exports of goods (or goods and services).