Research into the activity of the brain during taxing activities has revealed that the size of the __________ is linked to IQ more closely than the size of any other area in the brain.
A) prefrontal cortex
B) cerebrum
C) cerebellum
D) thalamus

Question

Quizplus · Accepted Answer

Research has shown that the prefrontal cortex is involved in higher order cognitive functions such as decision making, problem-solving, and working memory, all of which are strongly associated with IQ. The size and activity level of the prefrontal cortex have been found to correlate with IQ scores.

Research into the Activity of the Brain During Taxing Activities