1. The effects of chlorpromazine and secobarbital under two conditions of reinforcement on the performance of chronic schizophrenic subjects

   • Arje Latz
   • Conan Kornetsky

   Original Investigations Pages: 77 - 88

2. The comparative effectiveness of eight phenothiazines

   • Thomas E. Hanlon
   • Mary H. Michaux
   • Albert A. Kurland

   Original Investigations Pages: 89 - 106

3. Interactions between central cholinergic agents and amphetamine in mice

   • John H. Mennear

   Original Investigations Pages: 107 - 114

4. The effect of amobarbital sodium on conditioned fear as measured by the potentiated startle response in rats

   • Carl C. Chi

   Original Investigations Pages: 115 - 122

5. Alterations in consciousness produced by combinations of LSD, hypnosis and psychotherapy

   • Jerome Levine
   • Arnold M. Ludwig

   Original Investigations Pages: 123 - 137

6. A peculiar photosensitivity reaction with chlorpromazine

   • Joseph A. Barsa
   • John C. Saunders

   Clinical Reports Pages: 138 - 143

7. Antagonism to reserpine induced depression by imipramine, related psychoactive drugs, and some autonomic agents

   • Ernest B. Sigg
   • Laszlo Gyermek
   • Ronald T. Hill

   Short Communications Pages: 144 - 149

8. An exploration of the autonomic effects of phenothiazines

   • Charles W. Acker

   Short Communications Pages: 150 - 158

9. Errata

   Erratum Pages: 158 - 158