““Dr. John Ratey, a leading expert in both ADHD and the brain, suggests that ADHD can be thought of as a reward-deficiency syndrome created from a deficit of specific pleasure neurotransmitters (most importantly dopamine, but also serotonin and endorphins) that are used to indicate reward in the attention centers of the brain. He notes that without these chemical indicators of reward, people with ADHD have trouble completing tasks that reward only after a long period, such as doing well in college to obtain a better job.””
