1. Visual illusion, tactile sensibility and reaction time under LSD-25

   • Allan E. Edwards
   • Sidney Cohen

   Original Investigations Pages: 297 - 303

2. Differential effects of phenobarbital, pentobarbital and diphenylhydantoin on motor cortical and reticular thresholds in the rhesus monkey

   • Roy Aston
   • Edward F. Domino

   Original Investigations Pages: 304 - 317

3. A new technique for the investigation of some analgesic drugs on a reflexive behavior in the rat

   • Wayne O. Evans

   Original Investigations Pages: 318 - 325

4. The effect of monoamine oxidase inhibitors on the deconditioning action of reserpine in rats

   • Otto A. Orsingher

   Original Investigations Pages: 326 - 333

5. Die Wirkung des Chlorpromazins auf den Kohlenhydratstoffwechsel des Rattengehirns

   • V. Máthé
   • Gy. Kassay
   • K. Hunkár

   Originalarbeiten Pages: 334 - 341

6. Control for stimulus-change in the evaluation of alcohol and chlorpromazine as fear-reducing drugs

   • S. P. Grossman
   • Neal E. Miller

   Original Investigations Pages: 342 - 351

7. The effect of drugs on discrimination and sensory generalisation of auditory stimuli in cats

   • B. J. Key

   Original Investigations Pages: 352 - 363

8. Potentiation of the behavioral effects of amphetamine by imipramine

   • Peter L. Carlton

   Original Investigations Pages: 364 - 376

9. Augmentation of the behavioral effects of amphetamine by scopolamine

   • Peter L. Carlton

   Short Communications Pages: 377 - 380