1. Genetic and behavioral aspects of pharmacologically induced arousal

   • Gilbert W. Meier
   • Jimmy L. Hatfield
   • Donald P. Foshee

   Original Investigations Pages: 81 - 90

2. Die Bedeutung der Monoaminoxydasehemmung als antidepressives Prinzip. II

   • H. M. van Praag
   • B. Leijnse

   Original Investigations Pages: 91 - 102

3. Facilitation of successive discrimination learning by strychnine sulphate

   • Lewis Petrinovich

   Original Investigations Pages: 103 - 113

4. Amitriptyline and nortriptyline as antagonists of central and peripheral cholinergic activation

   • R. C. Rathbun
   • I. H. Slater

   Original Investigations Pages: 114 - 125

5. Electroencephalographic and behavioral analysis of drug effects on an instrumental reward discrimination in rabbits

   • J. L. McGaugh
   • L. de Baran
   • V. G. Longo

   Original Investigations Pages: 126 - 138

6. Effects of psychotropic drugs on open-field behaviour in rats

   • R. W. Brimblecombe

   Short Communications Pages: 139 - 147

7. Drugs, shock intensity, and the CER

   • James B. Appel

   Short Communications Pages: 148 - 153

8. Bibliographies of current literature

   • W. Stoll

   BookReview Pages: 153 - 154