1. Rewarding properties of gamma-hydroxybutyric acid: an evaluation through place preference paradigm

   • Maria Cristina Martellotta
   • Liana Fattore
   • W. Fratta

   ORIGINAL INVESTIGATION Pages: 1 - 5

2. Anxiolytic activity of NPY receptor agonists in the conflict test

   • K. T. Britton
   • S. Southerland
   • G. Koob

   ORIGINAL INVESTIGATION Pages: 6 - 13

3. Antagonism of non-NMDA receptors in the dorsal periaqueductal grey induces anxiolytic effect in the elevated plus maze

   • M. G. Matheus
   • F. S. Guimarães

   ORIGINAL INVESTIGATION Pages: 14 - 18

4. Serotonin1A receptor autoradiography during alcohol-withdrawal kindling

   • J. Ulrichsen
   • Bjarke Ebert
   • Ralf Hemmingsen

   ORIGINAL INVESTIGATION Pages: 19 - 26

5. Serotonergic modulation of the discriminative-stimulus effects of cocaine in squirrel monkeys

   • Kevin F. Schama
   • L. L. Howell
   • Larry D. Byrd

   ORIGINAL INVESTIGATION Pages: 27 - 34

6. On the elevated plus-maze the anxiolytic-like effects of the 5-HT1A agonist, 8-OH-DPAT, but not the anxiogenic-like effects of the 5-HT1A partial agonist, buspirone, are blocked by the 5-HT1A antagonist, WAY 100635

   • N. Collinson
   • G. R. Dawson

   ORIGINAL INVESTIGATION Pages: 35 - 43

7. Analysis of sleep EEG microstructure in subchronic paroxetine treatment of healthy subjects

   • J. Röschke
   • P. Kögel
   • O. Benkert

   ORIGINAL INVESTIGATION Pages: 44 - 49

8. Opioid modulation of attention-related responses: peripheral-to-central progression and development of mu influence as learning occurs

   • L. L. Hernández
   • Karen L. Watson
   • Amrita K. Singha

   ORIGINAL INVESTIGATION Pages: 50 - 60

9. Reliability of an instrumental assessment of tardive dyskinesia: results from VA Cooperative Study #394

   • M. P. Caligiuri
   • James B. Lohr
   • Veterans Affairs Cooperative Study #394 Study Group

   ORIGINAL INVESTIGATION Pages: 61 - 66

10. The influence of chronic treatment with clonidine, yohimbine and idazoxan on morphine withdrawal

    • A. O. S. El-Kadi
    • Suleiman I. Sharif

    ORIGINAL INVESTIGATION Pages: 67 - 73

11. Effects of clozapine, thioridazine, risperidone and haloperidol on behavioral tests related to extrapyramidal motor function

    • Jennifer T. Trevitt
    • Maureen Lyons
    • J. D. Salamone

    ORIGINAL INVESTIGATION Pages: 74 - 81

12. Open clinical trial on the sigma ligand panamesine in patients with schizophrenia

    • R.-M. Frieboes
    • Harald Murck
    • Axel Steiger

    ORIGINAL INVESTIGATION Pages: 82 - 88

13. Platelet serotonin and [3H]paroxetine binding correlate with recurrence of suicidal behavior

    • R. J. Verkes
    • Durk Fekkes
    • Godfried M. J. Van Kempen

    ORIGINAL INVESTIGATION Pages: 89 - 94

14. A comparison of progressive ratio schedules versus behavioral economic measures: effect of an alternative reinforcer on the reinforcing efficacy of phencyclidine

    • Joshua S. Rodefer
    • Marilyn E. Carroll

    ORIGINAL INVESTIGATION Pages: 95 - 103

15. Selective inhibition of sucrose and ethanol intake by SR 141716, an antagonist of central cannabinoid (CB1) receptors

    • Michèle Arnone
    • Jeanne Maruani
    • Gérard Le Fur

    RAPID COMMUNICATION Pages: 104 - 106