PET Scans of People Taken While They Are Solving Problems

question 17

Multiple Choice

PET scans of people taken while they are solving problems have revealed that the brains of highly intelligent people consumed __________ glucose, suggesting that their brains were working ______ than the brains of people with average intelligence.

• A)more; more efficiently
• B)more; faster
• C)less; more efficiently
• D)less; faster

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Definitions:

Cause And Effect

The relationship between events or things, where one is the result of the other or others.

Post Hoc

is a term derived from the phrase "post hoc ergo propter hoc," meaning "after this, therefore because of this," commonly used to describe a logical fallacy where one event is incorrectly assumed to cause another just because it occurred earlier.

Economic Reasoning

Refers to the process of making decisions based on comparing costs and benefits.

Marginal Costs

The added expense to produce one more item; it can decrease or increase depending on production size and efficiency.