1 Schedule-Controlled Behavior and the Effects of Drugs.- 1. Introduction.- 2. Schedule-Controlled Behavior.- 2.1. Processes of Reinforcement and Punishment.- 2.2. Schedules and Other Determinants of Reinforcement and Punishment.- 2.3. Control of Behavior by Noxious Stimuli.- 2.4. Nature and Significance of Schedule-Controlled Behavior.- 3. Effects of Drugs on Schedule-Controlled Behavior.- 3.1. Response Rate as a Determinant of the Behavioral Effects of Drugs.- 3.2. Effects of Drugs on Behaviors Maintained by Different Events.- 3.3. Effects of Drugs on Punished Responding.- 4. Summary and Conclusions.- 5. References.- 2 The Effects of Drugs on Behavior Controlled by Aversive Stimul.- 1. Introduction.- 1.1. Methodological Issues Surrounding the Use of Electric Shock.- 1.2. Problems Associated with Operant Schedules That Utilize Electric Shock.- 2. DrugBehavior Interactions in ConflictPunishment Procedures.- 2.1. Geller Conflict Schedule.- 2.2. Effects of Drugs on Other Punishment Schedules and Species.- 2.3. Review of Drug Effects upon a Standard ConflictPunishment Paradigm.- 2.4. Analysis of the Mechanisms by Which Drugs May Affect Punished Responding.- 2.5. Effects of Drugs That Alter Synaptic Activity upon Punished Behavior.- 2.6. Summary.- 3. Continuous Avoidance Procedures.- 3.1. Methodological Problems Associated with Continuous Avoidance Procedures.- 3.2. Analysis of Continuous Avoidance Behavior in Terms of Motivational Processes.- 3.3. Review of the Drug Literature.- 3.4. Classification of Drugs by BovetGatti Profiles.- 3.5. Effects of Drugs That Alter Synaptic Activity on Continuous Avoidance Behavior.- 3.6. Conclusions Concerning the Effects of Drugs upon Continuous Avoidance Behavior.- 4. The Conditioned Emotional Response.- 4.1. Methodological Problems Associated with the CER Technique.- 4.2. Review of Drug Effects upon the CER.- 4.3. Conclusions Concerning the Effects of Drugs upon the CER.- 4.4. Continuous Avoidance and the CER.- 5. General Sul£