1. A critique of the vasopressin-memory hypothesis

   • Arjun Sahgal

   Review Pages: 215 - 228

2. Enkephalinase inhibition antagonizes the increased susceptibility to seizure induced by REM sleep deprivation

   • O. E. Ukponmwan
   • M. R. Dzoljic

   Original Investigations Pages: 229 - 232

3. Discriminative stimulus properties of β-carbolines characterized as agonists and inverse agonists at central benzodiazepine receptors

   • David N. Stephens
   • Gary T. Shearman
   • Wolfgang Kehr

   Original Investigations Pages: 233 - 239

4. ZK 91296, a partial agonist at benzodiazepine receptors

   • Erling N. Petersen
   • Leif H. Jensen
   • Ralph Schmiechen

   Original Investigations Pages: 240 - 248

5. Evaluation of the β-carboline ZK 93 426 as a benzodiazepine receptor antagonist

   • Leif H. Jensen
   • Erling N. Petersen
   • Ralph Schmiechen

   Original Investigations Pages: 249 - 256

6. Effects of drug-induced differences in reinforcement frequency on discriminative stimulus properties of fentanyl

   • Jean De Vry
   • Wouter Koek
   • Jef L. Slangen

   Original Investigations Pages: 257 - 261

7. Differential response to cholinergic stimulation in psychogenetically selected rat lines

   • James R. Martin
   • Peter Driscoll
   • Conrad Gentsch

   Original Investigations Pages: 262 - 267

8. Effects of ethanol on murine aggression assessed by biting of an inanimate target

   • Robert Smoothy
   • Michael S. Berry

   Original Investigations Pages: 268 - 271

9. Alcohol increases both locomotion and immobility in mice: An ethological analysis of spontaneous motor activity

   • Robert Smoothy
   • Michael S. Berry

   Original Investigations Pages: 272 - 276

10. Long term effects of chronic chlordiazepoxide (CDP) administration

    • A. Shemer
    • O. Tykocinski
    • J. Feldon

    Original Investigations Pages: 277 - 280

11. 6-Hydroxydopamine lesion of the dopamine mesocorticolimbic cell bodies increases (+)-amphetamine self-administration

    • J. M. Deminière
    • H. Simon
    • M. Le Moal

    Original Investigations Pages: 281 - 284

12. Alaproclate — an open clinical study in depressive illness

    • S. J. Frost
    • D. Eccleston
    • F. Hassanyeh

    Original Investigations Pages: 285 - 287

13. Opioid peptides and self-stimulation of the medial prefrontal cortex in the rat

    • S. G. Shaw
    • F. Vives
    • F. Mora

    Original Investigations Pages: 288 - 292

14. Supersensitivity psychosis in schizophrenic patients after sudden clozapine withdrawal

    • B. Ekblom
    • K. Eriksson
    • L. H. Lindström

    Rapid Communications Pages: 293 - 294

15. Adrenergic-receptor desensitization and course of clinical improvement with desipramine treatment

    • Michael L. Mavroidis
    • Donald R. Kanter
    • David L. Garver

    Rapid Communications Pages: 295 - 296

16. Diazepam: Prediction of pharmacodynamics from pharmacokinetics

    • E. H. Ellinwood
    • A. Nikaido
    • D. Heatherly

    Rapid Communications Pages: 297 - 298

17. Announcement

    Announcement Pages: 299 - 299

18. Behavioural pharmacology: Drugs as stimuli

    Abstract Pages: S1 - S4