1. A double-blind outpatient study of diazepam (Valium) and placebo

   • Ralph Gundlach
   • David M. Engelhardt
   • Etta Bird

   Original Investigations Pages: 81 - 92

2. Ethanol inhibition of formation of conditioned eyeblink responses in man

   • Gordon N. Hobson

   Original Investigations Pages: 93 - 100

3. Effects of scopolamine on operant avoidance acquisition and retention

   • Russell C. Leaf
   • Stanley A. Muller

   Original Investigations Pages: 101 - 109

4. Amphetamine effects on poor performance of rats in a shuttle-box

   • Richard H. Rech

   Original Investigations Pages: 110 - 117

5. Etude comparative des effets psychophysiologiques de l'amphétamine chez des sujets de race blanche et de race noire

   • P. Hubin
   • J. Servais

   Travaux Originaux Pages: 118 - 136

6. Sustained changes of avoidance behavior after chronic nortriptyline administration

   • John E. Owen Jr.
   • Robert C. Rathbun

   Original Investigations Pages: 137 - 145

7. Effect of Psilocybin, LSD, and mescaline on small, involuntary eye movements

   • Frederick W. Hebbard
   • Roland Fischer

   Original Investigations Pages: 146 - 156

8. Effects of d-amphetamine on performance under a multiple schedule in the rat

   • Fogle C. Clark
   • Bobby J. Steele

   Original Investigations Pages: 157 - 169

9. Behavioral variables affecting the development of amphetamine tolerance

   • C. R. Schuster
   • W. S. Dockens
   • J. H. Woods

   Short Communications Pages: 170 - 182