1. Experimentell-psychologische Differenzierung der Wirkung von zwei Psychostimulantien am Menschen (F-1983 und Amphetamin)

   • H. Heimann
   • G. Lukàcs

   Originalarbeiten Pages: 79 - 90

2. Drug-induced modifications of discriminated avoidance behavior in rats

   • Clara Morpurgo

   Original Investigations Pages: 91 - 99

3. The disruption of conditioned avoidance response following selective depletion of brain catechol amines

   • Lennart C. F. Hanson

   Original Investigations Pages: 100 - 110

4. Some effects of scopolamine on a passive avoidance response in rats

   • Barton Meyers

   Original Investigations Pages: 111 - 119

5. Blockade of apomorphine pecking with phenothiazines

   • G. P. Gupta
   • B. N. Dhawan

   Original Investigations Pages: 120 - 130

6. The effects of psilocybin on a test of after-image perception

   • Martin H. Keeler

   Short Communications Pages: 131 - 139

7. Biochemical and behavioral effects of l-DOPA methyl ester in cats treated with reserpine

   • Lennart C. F. Hanson
   • John D. Utley

   Short Communications Pages: 140 - 144

8. Pharmacological properties of 1-(4-methoxybutylamino)-2-(1-4-benzodioxan-2-yl)-ethane (2802 IS)

   • V. G. Longo
   • V. Rosnati

   Short Communications Pages: 145 - 149

9. Counterconditioning and extinction of fear fail to transfer from amobarbital to nondrug state

   • Herbert Barry III
   • Edward E. Etheredge
   • Neal E. Miller

   Short Communications Pages: 150 - 156