Answer :
The prefrontal cortex is the answer because the differences in brain activity are found primarily therein.
The prefrontal cortex is a located at the front of the frontal lobe of the brain.
- The dopamine in this part of the brain does modulates the cognitive control, thus, influencing attention, memory etc.
Hence, the prefrontal cortex is the answer because the differences in brain activity are found primarily therein.
Read more about prefrontal cortex:
brainly.com/question/12612764