1. Psychotogenic properties of benzodiazepine receptor inverse agonists

   • Martin Sarter
   • John P. Bruno
   • Gary G. Berntson

   Review Pages: 1 - 13

2. Preference for a cocaine-associated environment is attenuated by augmented accumbal serotonin in cocaine withdrawn rats

   • Glenda C. Harris
   • Kim Altomare
   • Gary Aston-Jones

   Original Investigation Pages: 14 - 22

3. Cocaine and salicylate: documentation of hydroxyl radical formation in hearts and brains of 18-day-old chick embryos and unexpected interactive toxicity

   • M. Castelli
   • L. Venturini
   • S. Sparber

   Original Investigation Pages: 23 - 31

4. Substantia nigra pars reticulata is a highly potent site of action for the behavioral effects of the D1 antagonist SCH 23390 in the rat

   • J. Trevitt
   • B. Carlson
   • J. Salamone

   Original Investigation Pages: 32 - 41

5. Short-term contextual sensitisation and conditioned hyperkinesia produced by cocaine in suckling rats aged 4–10 days and 14–20 days

   • Ezio Tirelli

   Original Investigation Pages: 42 - 52

6. Higher occupancy of muscarinic receptors by olanzapine than risperidone in patients with schizophrenia

   • J. Lavalaye
   • J. Booij
   • E. van Royen

   Original Investigation Pages: 53 - 57

7. The "selective" dopamine D₁ receptor antagonist, SCH23390, is a potent and high efficacy agonist at cloned human serotonin_2C receptors

   • Mark J. Millan
   • Adrian Newman-Tancredi
   • Didier Cussac

   Original Investigation Pages: 58 - 62

8. Reinforcement by orally delivered methadone, cocaine, and methadone-cocaine combinations in rhesus monkeys: are the combinations better reinforcers?

   • N. Wang
   • V. Brown
   • R. Meisch

   Original Investigation Pages: 63 - 72

9. Reduction in basal afternoon plasma ACTH during early treatment of depression with fluoxetine

   • Warrick J. Inder
   • Timothy C. Prickett
   • Peter R. Joyce

   Original Investigation Pages: 73 - 78

10. Cannabinoid receptor agonist and antagonist effects on motor function in normal and 1-methyl-4-phenyl-1,2,5,6-tetrahydropyridine (MPTP)-treated non-human primates

    • Justin P. Meschler
    • Allyn C. Howlett
    • Bertha K. Madras

    Original Investigation Pages: 79 - 85

11. Effects of moclobemide on sexual performance and nocturnal erections in psychogenic erectile dysfunction

    • Klaus Mann
    • Justus Pankok
    • Otto Benkert

    Original Investigation Pages: 86 - 91

12. Contextual control over the expression of fear in rats conditioned under a benzodiazepine

    • Justin A. Harris
    • Frederick R. Westbrook

    Original Investigation Pages: 92 - 97

13. Time-dependent changes in extinction behavior and stress-induced reinstatement of drug seeking following withdrawal from heroin in rats

    • Uri Shalev
    • Marisela Morales
    • Yavin Shaham

    Original Investigation Pages: 98 - 107

14. Cross tolerance between anorectic action and induction of Fos-ir with dexfenfluramine and 5HT_1B/2C agonists in rats

    • Neil E. Rowland
    • Kimberly Robertson
    • Elvis Rema

    Original Investigation Pages: 108 - 114