Erectile tissue in the clitoris and penis. Cross section showing the two corpora cavernosa near the top surface of the penis, and the corpus spongiosum surrounding the urethra near the bottom surface.
Adderall (amphetamine and dextroamphetamine) is a stimulant that affects chemicals in the brain that are associated with hyperactivity and impulse control. Adderall is used in attention deficit hyperactivity disorder (ADHD).
Neurotransmitters Involved in ADHD. 1  Attention deficit hyperactivity disorder (ADHD) causes symptoms that can disrupt a patient's life. For example, the patient can have problems sustaining attention during a task, staying still or controlling impulses.