What is substance abuse? What is addiction? Are these terms interchangeable? Why or why not? What areas of the brain are involved in substance abuse? Can overeating and gambling be considered substance abuse or addictions? Why or why not? With these questions in mind, describe an addictive behavior, and the brain regions involved.

What is schizophrenia? What about the brain is pathological for schizophrenia? What is depression? Is there pathological brain changes for depression? Why or why not? What is an anxiety disorder? What brain pathology underlies anxiety? Are these disorders preventable? Are they curable? Explain.