1. Psychopharmacology of conditioned reward: evidence for a rewarding signal at D1-like dopamine receptors

   • Michael A. Sutton
   • Richard J. Beninger

   Review Pages: 95 - 110

2. Heroin self-administration in dependent Wistar rats: increased sensitivity to naloxone

   • M. Rocío A. Carrera
   • Gery Schulteis
   • George F. Koob

   Original Investigation Pages: 111 - 120

3. Behavioural profiles in the mouse defence test battery suggest anxiolytic potential of 5-HT1A receptor antagonists

   • G. Griebel
   • R. John Rodgers
   • David J. Sanger

   Original Investigation Pages: 121 - 130

4. The discriminative stimulus effects of naloxone and naltrexone in morphine-treated rhesus monkeys: comparison of oral and subcutaneous administration

   • Cheryl A. Gauthier
   • C. P. France

   Original Investigation Pages: 131 - 136

5. The effect of m-CPP on tics and obsessive-compulsive phenomena in Gilles de la Tourette syndrome

   • D. C. Cath
   • Harm J. Gijsman
   • Adam F. Cohen

   Original Investigation Pages: 137 - 143

6. Blockade of cannabinoid (CB1) receptors by SR 141716 selectively antagonizes drug-induced reinstatement of exploratory behaviour in gerbils

   • M. Poncelet
   • Marie-Christine Barnouin
   • Philippe Soubrié

   Original Investigation Pages: 144 - 150

7. Antidepressant-like effect of ethanol revealed in the forced swimming test in Sardinian alcohol-preferring rats

   • Roberto Ciccocioppo
   • Izabela Panocka
   • M. Massi

   Original Investigation Pages: 151 - 157

8. Inositol reduces depressive-like behaviors in two different animal models of depression

   • H. Einat
   • H. Karbovski
   • R. H. Belmaker

   Original Investigation Pages: 158 - 162

9. Concurrent progressive-ratio schedules to compare reinforcing effectiveness of different phencyclidine (PCP) concentrations in rhesus monkeys

   • Joshua S. Rodefer
   • M. E. Carroll

   Original Investigation Pages: 163 - 174

10. Enhancement of sustained attention performance by the nicotinic acetylcholine receptor agonist ABT-418 in intact but not basal forebrain-lesioned rats

    • J. McGaughy
    • M. W. Decker
    • M. Sarter

    Original Investigation Pages: 175 - 182

11. Stress reinstates nicotine seeking but not sucrose solution seeking in rats

    • Y. Buczek
    • A. D. Lê
    • Y. Shaham

    Original Investigation Pages: 183 - 188