1. The effects of posttrial injections of pentylenetetrazole, strychnine and mephenesin on discrimination learning

   • Jara Krivanek
   • Earl Hunt

   Original Investigations Pages: 189 - 195

2. Phenothiazine depression of approach and avoidance behavior

   • Oakley S. Ray
   • Lyle W. Bivens

   Original Investigations Pages: 196 - 203

3. The effects of p-chlorophenylalanine, a serotonin depletor, on avoidance acquisition, pain sensitivity and related behavior in the rat

   • S. S. Tenen

   Original Investigations Pages: 204 - 219

4. The effect of methylpentynol carbamate on the acquisition of a conditioned avoidance response (C.A.R.)

   • H. C. Holland
   • B. D. Gupta

   Original Investigations Pages: 220 - 225

5. The EEG of the olfactory bulb of the rabbit and its reaction to psychopharmacological agents

   • N. Khazan
   • I. Kandalaft
   • F. G. Sulman

   Original Investigations Pages: 226 - 236

6. Trioxazine and meprobamate, effects on objective and subjective variables

   • Carl-Otto Jonsson
   • Lennsart Sjöberg
   • Sven Vallbo

   Original Investigations Pages: 237 - 254

7. Classical conditioning of a morphine abstinence phenomenon, reinforcement of opioid-drinking behavior and “relapse” in morphine-addicted rats

   • Abraham Wikler
   • Frank T. Pescor

   Original Investigations Pages: 255 - 284