I: Joint Meeting of the Pavlovian Society and the Society of Biological Psychiatry -- 1. Ivan Petrovich Pavlovโ{128}{148}Presidential Address -- 2. Pavlovianism and Clinical Psychiatry -- 3. The Traditional and the New in Pavlovโ{128}{153}s Theory of โ{128}{156}Higher Nervous Activity.โ{128}{157} -- 4. Salivary Conditional Reflexes in Man -- 5. The Conditional Psychogalvanic Reflex: Its Contribution to Psychiatric Diagnosis -- 6. Effects of Muscular Exertion and Verbal Stimuli on Heart Rate and Blood Pressure in the Human -- 7. Awareness of Stimulus Relationships and Physiological Generality of Response in Autonomic Discrimination -- 8. Application of Conditioning Procedures in the Study of Aging -- 9. Early Trauma as Revealed by Performance during Initial Conditioning -- II: Symposium on Ethology -- 10. The Fixed Action Pattern: Empirical Properties and Theoretical Implications -- 11. Ethology and Psychology -- 12. Ethological Concepts and Human Development -- III: Drugs and Somatic Approaches in Psychiatry -- 13. Psychotropic Drugs and Experimental -- 14. On a Proposed Theory for the Mechanism of Action of Serotonin in Brain -- 15. The Relationship of Parkinsonism Produced by Drugs to Psychotic Reactions -- 16. Some Acute and Chronic Biochemical Responses to Electroconvulsive Therapy -- 17. Treatment of Autistic Schizophrenic Children with LSD-25 and UML-491 -- 18. Children Born to Mothers Maintained on Pharmacotherapy during Pregnancy and Postpartum -- IV: Clinical Studies -- 19. The Differentiation of Psychiatric Patients by EEG Changes after Sodium Pentothal -- 20. Porphyric Psychosis and Chelation Therapy -- 21. Psychophysiological Patterns in Chronic Schizophrenia -- 22. Affective Change in Thyrotoxicosis and Experimental Hypermetabolism -- V: Psychopharmacologic Research -- 23. Metabolic Effects of Psychoactive Drugs -- 24. Interaction of Monoamine Oxidase Inhibitors with Imipramine and Similar Drugs -- 25. Correlation of the Cerebral Biochemical and Functional Effects of Monoamine Oxidase Inhibitor Antidepressants -- 26. Studies on Mescaline XII: Effects of Prior Administration of Various Psychotropic Drugs -- 27. Effects and Interactions of Imipramine, Chlorpromazine, Reserpine and Amphetamine on Self-Stimulation: Possible Neurophysiological Basis of Depression -- VI: Miscellaneous Studies -- 28. Neural Correlates of Psychophysiological Developments in the Young Organism -- 29. Studies of Plasma Protein Factors That May Be Involved in Psychoses -- 30. Behavioral Adaptations after Parietal Cortex Ablation in the Neonate Macaque -- 31. Disordered Perception of Simultaneous Stimulation of Face and Hand: A Review and Theory -- Membership Roster -- Author Index