Research using PET scans of human brains indicates that
A) the size of the midbrain connections is the most important feature for intelligence.
B) higher scoring test takers used more glucose.
C) lower scoring test takers used more glucose.
D) brain activity is not related to problem-solving, but is related to one's emotional levels.

Question

Quizplus · Accepted Answer

Research using PET scans has shown that lower scoring test takers tend to use more glucose, indicating less efficient brain activity compared to higher scoring individuals who use less glucose.

Research Using PET Scans of Human Brains Indicates That