1. Nonlinear changes in activity and emotional reactivity scores following central noradrenergic lesions in rats

   • C. A. Sorenson
   • Gaylord D. Ellison

   OriginalPaper Pages: 313 - 325

2. Transfer of state-dependent control of discriminative behaviour between subcutaneously and intraventricularly administered nicotine and saline

   • Martin D. Schechter

   OriginalPaper Pages: 327 - 335

3. The effect of imipramine administered before and during pregnancy on litter size in the rat

   • G. Singer
   • I. R. Coyle

   OriginalPaper Pages: 337 - 342

4. Flunitrazepam (Ro 5-4200) and sleep cycle in normal subjects

   • Jaime M. Monti
   • Humberto Altier

   OriginalPaper Pages: 343 - 349

5. The effects of fenfluramine on fixed ratio responding

   • Maxwell Taylor

   OriginalPaper Pages: 351 - 358

6. Decreased antinociceptive activity of morphine in rats pretreated intraventricularly with 5,6-dihydroxytryptamine, a long-lasting selective depletor of brain serotonin

   • Eugenio Genovese
   • Nerina Zonta
   • Paolo Mantegazza

   OriginalPaper Pages: 359 - 364

7. Effects of α-methyl-p-tyrosine on morphine dependence

   • S. D. Glick
   • B. Zimmerberg
   • A. D. Charap

   OriginalPaper Pages: 365 - 371

8. Cannabis and alcohol: Effects on estimation of time and distance

   • Per Bech
   • Lise Rafaelsen
   • Ole J. Rafaelsen

   OriginalPaper Pages: 373 - 381

9. The effects of chronic cannabis treatment on the aggressive behavior and brain 5-hydroxytryptamine levels of rats with different temperaments

   • J. Palermo Neto
   • F. V. Carvalho

   OriginalPaper Pages: 383 - 392