Frontal lobe
Phineas gage, a railroad foreman, suffered damage to a large part of the brain responsible for emotion regulation, planning, and decision making-namely, the frontal lobe.
The frontal lobe is the section of the brain that functions mainly in voluntary movement. The frontal lobe contains the primary cortex which controls activities such as walking. The frontal lobe is also responsible for memory, language, emotion control, good decision making and good communication ability.
The answer would be "B", this is because particle motion is the same thing as heat, and you can tell the images are going in order from lowest heat to highest heat.