Self-control separates us from our ancient ancestors and the rest of the animal kingdom, thanks to our large prefrontal cortices. Rather than responding to immediate impulses, we can plan, we can evaluate alternative actions, and we can refrain from doing things we'll regret. We can also take advantage of these innately human abilities by developing wisdom and willpower.
Dopamine is a neurotransmitter that helps control the brain's reward and pleasure centers. Dopamine also helps regulate movement and emotional responses, and it enables us not only to see rewards, but to take action to move toward them. Dopamine deficiency results in Parkinson's Disease, and people with low dopamine activity may be more prone to <a href="http://www.psychologytoda