1. On the dissimilar effects of drugs on the digit symbol substitution and continuous performance tests

   • Allan F. Mirsky
   • Conan Kornetsky

   Reviews Pages: 161 - 177

2. Brain and heart catecholamine levels after l-Dopa administration in reserpine treated mice: Correlations with a conditioned avoidance response

   • Lewis S. Seiden
   • Arvid Carlsson

   Original Investigations Pages: 178 - 181

3. Recherche sur le mécanisme d'action de certains analgésiques centraux (morphine, péthidine et dextromoramide)

   • J. Charpentier

   Travaux Originaux Pages: 182 - 197

4. Behavioral effects of interacting imipramine and other drugs with d-amphetamine, cocaine, and tetrabenazine

   • Carl L. Scheckel
   • Edward Boff

   Original Investigations Pages: 198 - 208

5. Comparison of butaperazine and perphenazine: A double-blind controlled study

   • Patricia Sharpley
   • Gordon Heistad
   • Burtrum C. Schiele

   Original Investigations Pages: 209 - 216

6. The effect of N,N-dimethyltryptamine in human subjects tolerant to lysergic acid diethylamide

   • D. E. Rosenberg
   • H. Isbell
   • C. R. Logan

   Original Investigations Pages: 217 - 227

7. Study of Paspalum scrobiculatum extract in forty psychotic patients

   • V. R. Deo

   Clinical Reports Pages: 228 - 233

8. Behavioural studies on rats injected with l-cycloserine and other compounds

   • V. Bonavita
   • M. Lettieri
   • P. Monaco

   Short Communications Pages: 234 - 238