1. The effects of physostigmine on discrimination learning

   • James M. Whitehouse

   Original Investigations Pages: 183 - 188

2. Effects of atropine on electrical activity of hippocampus and cerebral cortex in cat

   • Shizuo Torii
   • Abraham Wikler

   Original Investigations Pages: 189 - 204

3. The interaction of drug effects with drive level and habit strength

   • Sheo D. Singh
   • Satinder N. Manocha

   Original Investigations Pages: 205 - 209

4. Pharmacological and biochemical studies in isolation-induced fighting mice

   • J. P. DaVanzo
   • M. Daugherty
   • L. Kang

   Original Investigations Pages: 210 - 219

5. Some aspects of the metabolism of glucose and of the non-esterified fatty acids in depressive patients

   • H. M. van Praag
   • B. Leijnse

   Original Investigations Pages: 220 - 233

6. Facilitative effects of amphetamine on avoidance conditioning in relation to age and problem difficulty

   • Barbara A. Doty
   • Larry A. Doty

   Original Investigations Pages: 234 - 241

7. Reserpine: Its effect on the sleep-dream cycle in man

   • Ernest Hartmann

   Short Communications Pages: 242 - 247

8. Anticonvulsant properties of diacetylmonoxime (DAM) and its effect on the facilitatory action of reserpine on convulsions

   • Éva Galambos
   • A. Klára Pfeifer

   Short Communications Pages: 248 - 252

9. The effect of LSD, mescaline, and D-amphetamine on the evoked “secondary discharge”

   • Walton T. Roth

   Short Communications Pages: 253 - 258