PET scans of people taken while they are solving problems have revealed that the brains of highly intelligent people consumed less glucose, suggesting that when compared to the brains of people with average intelligence, their brains were working ______.
A)less efficiently
B)differently
C)more efficiently
D)with less stimuli

Question

Quizplus · Accepted Answer

The correct answer is C) more efficiently because consuming less glucose while solving problems indicates that the brains of highly intelligent people are operating with greater efficiency, using less energy to achieve the same or better cognitive outcomes.

PET Scans of People Taken While They Are Solving Problems