After reading this chapter, you will be able to

5.1 Identify the main classes of drugs.
5.2 Describe the effects of each class of drugs on the nervous system.
5.3 Predict how different drugs will affect behavior, based on the neural systems on which those drugs act.
5.4 Illustrate how the brain changes during addiction.
5.5 Discuss the role of learning in overdose and addiction.
5.6 Explain how pharmacology can be used to treat addiction.
5.7 Contrast the environmental and hereditary influences on addiction.