1. Recovery time as a measure of CER strength: Effects of benzodiazepines, amobarbital, chlorpromazine and amphetamine

   • S. S. Tenen

   Original Investigations Pages: 1 - 17

2. Effects of chlordiazepoxide and secobarbital on film-induced anxiety

   • Richard C. Pillard
   • Seymour Fisher

   Original Investigations Pages: 18 - 23

3. Effects of long, intermittent schedules on phenothiazine-induced avoidance loss

   • John E. Owen Jr.
   • Robert C. Rathbun

   Original Investigations Pages: 24 - 33

4. Effects of haloperidol and trifluperidol on operant behavior in the rat

   • J. M. Monti
   • A. J. Hance

   Original Investigations Pages: 34 - 43

5. New, simple method for the informative investigation of sedatives

   • Éva Pálosi
   • L. Szporny

   Original Investigations Pages: 44 - 49

6. The effect of amphetamine on a serial reaction task

   • R. N. Herrington

   Original Investigations Pages: 50 - 57

7. Some effects of d-amphetamine on the behavior of pigeons under intermittent reinforcement

   • Eliot Hearst
   • John R. Vane

   Original Investigations Pages: 58 - 67

8. Yeast ribonucleic acid: Effects on avoidance behavior of the neonate domestic chick

   • Ronald K. Siegel

   Short Communications Pages: 68 - 77

9. Untersuchungen zur Gewöhnung an Weckamine mit der Methode der bedingten Fluchtreflexe bei der Ratte

   • Inge Bauer
   • L. Pickenhain

   Kurze Originalmitteilungen Pages: 78 - 82

10. Scopolamine-produced changes in activity and in the startle response: Implications for behavioral activation

    • Ralph Payne
    • D. Chris Anderson

    Short Communications Pages: 83 - 90