It's a familiar back-and-forth: Advocates alternative energy vehicles point to their positive environmental qualities, such as reducing carbon emissions from the tailpipe. Their opponents point out the hidden costs, such as the fact that the energy for electric cars comes largely from burning coal.
What is Dopamine? 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 addiction. The presence of a certain kind of dopamine receptor is also associated with sensation-seeking people, more commonly known as risk takers..
Dopamine is a neurotransmitter (a chemical released by nerve cells) that plays an important and diverse role in how your brain functions. Dopamine's Role in the Brain Dopamine neurons (nerve cells) have cell bodies in the midbrain with nerve fibers (called axons) that extend into a number of other sites in the brain.