1. Modification by psychotropic drugs of the cyclic AMP response to norepinephrine in the rat brain in vitro

   • G. C. Palmer
   • G. A. Robison
   • F. Sulser

   Original Investigations Pages: 201 - 211

2. Role of the tuberculum olfactorium in stereotyped behaviour induced by apomorphine in the rat

   • G. M. McKenzie

   Original Investigations Pages: 212 - 219

3. Tolerance and cross-tolerance to mescaline and amphetamine as a function of central and peripheral administration

   • S. B. Sparber
   • H. A. Tilson

   Original Investigations Pages: 220 - 230

4. The effect of cholinergic antagonists on increases of spontaneous locomotor activity and body weight induced by the administration of morphine to tolerant rats

   • Tetsuo Oka
   • Masako Nozaki
   • Eikichi Hosoya

   Original Investigations Pages: 231 - 237

5. Intracranial self-stimulation in rats as a function of various stimulus parameters

   • A. Wauquier
   • C. J. E. Niemegeers
   • H. A. Geivers

   Original Investigations Pages: 238 - 260

6. Die Wirkung von Nucleotid-Monophosphaten auf die Akquisition und Extinktion bedingter Reaktionen

   • T. Ott
   • B. Lössner
   • H. Matthies

   Original Investigations Pages: 261 - 271

7. Der Einfluß von 6-Azauridin auf die Begünstigung des Wiedererlernens durch Ribonucleinsäure-Präkursoren

   • Tilmann Ott
   • Hansjürgen Matthies

   Original Investigations Pages: 272 - 278

8. An analysis of dopa-induced locomotor stimulation in mice with inhibited extracerebral decarboxylase

   • Edmund Przegaliński
   • Zdzisław Kleinrok

   Original Investigations Pages: 279 - 288

9. Effect of Δ⁹-THC on the open-field activity of the rat

   • Wm. G. Drew
   • Loren L. Miller
   • A. Wikler

   Original Investigations Pages: 289 - 299

10. Abnormally fast vibrissa movements induced by tetrabenazine in rats

    • Knut Larsson
    • Barry R. Komisaruk

    Preliminary Reports Pages: 300 - 304