There are some differences in the brains of people who score high and low on intelligence tests.Which of the following is TRUE about these differences?
A) People who score high on intelligence tests tend to show less overall brain activity in a PET scan.
B) People who score high on intelligence tests tend to have larger brains.
C) People who score high on intelligence tests tend to have a slower speed of neural communication.
D) People who score high on intelligence tests tend to have an exceptionally thick cortex early in development.

Question

Quizplus · Accepted Answer

People who score high on intelligence tests often show less overall brain activity in a PET scan, indicating more efficient brain function.

There Are Some Differences in the Brains of People Who