1. MK-801 potentiates morphine-induced impairment of memory consolidation in mice: involvement of dopaminergic mechanisms

   • V. Cestari
   • C. Castellano

   ORIGINAL INVESTIGATION Pages: 1 - 6

2. Differences in extracellular dopamine concentrations in the nucleus accumbens during response-dependent and response-independent cocaine administration in the rat

   • S. E. Hemby
   • Conchita Co
   • Steven I. Dworkin

   ORIGINAL INVESTIGATION Pages: 7 - 16

3. Tolerance and cross-tolerance to morphine-like stimulus effects of µ opioids in rats

   • E. A. Walker
   • T. M. Richardson
   • A. M. Young

   ORIGINAL INVESTIGATION Pages: 17 - 28

4. Behavioural and pharmacological characterisation of the canopy stretched attend posture test as a model of anxiety in mice and rats

   • S. S Grewal
   • J. K. Shepherd
   • C. T. Dourish

   ORIGINAL INVESTIGATION Pages: 29 - 38

5. Effect of fluvoxamine on platelet 5-HT2A receptors as studied by [3H]lysergic acid diethylamide ([3H]LSD) binding in healthy volunteers

   • O. Spigset
   • Tom Mjörndal

   ORIGINAL INVESTIGATION Pages: 39 - 42

6. Dizocilpine-like discriminative stimulus effects of competitive NMDA receptor antagonists in mice

   • B. Geter-Douglass
   • Jeffrey M. Witkin

   ORIGINAL INVESTIGATION Pages: 43 - 50

7. 5-HT1A receptors in lithium-induced conditioned taste aversion

   • Gregers Wegener
   • D. F. Smith
   • Raben Rosenberg

   ORIGINAL INVESTIGATION Pages: 51 - 54

8. Influence of clonidine on psychopathological, endocrine and respiratory effects of cholecystokinin tetrapeptide in patients with panic disorder

   • M. Kellner
   • A. Yassouridis
   • K. Wiedemann

   ORIGINAL INVESTIGATION Pages: 55 - 61

9. Kappa opioid mediated locomotor activity in the preweanling rat: role of pre- and postsynaptic dopamine receptors

   • S. A. McDougall
   • G. M. Garmsen
   • C. A. Crawford

   ORIGINAL INVESTIGATION Pages: 62 - 68

10. Ethanol, like psychostimulants and morphine, causes long-lasting hyperreactivity of dopamine and acetylcholine neurons of rat nucleus accumbens: possible role in behavioural sensitization

    • Patrizia Nestby
    • Louk J. M. J. Vanderschuren
    • A. N. M. Schoffelmeer

    ORIGINAL INVESTIGATION Pages: 69 - 76

11. Evidence that the enhancement of dopamine function by repeated electroconvulsive shock requires concomitant activation of D1-like and D2-like dopamine receptors

    • S. E. Smith
    • T. Sharp

    ORIGINAL INVESTIGATION Pages: 77 - 84

12. Enhancement of dopamine-mediated behaviour by the NMDA antagonists MK-801 and CPP: similarities with repeated electroconvulsive shock

    • S. E. Smith
    • L. Acton
    • T. Sharp

    ORIGINAL INVESTIGATION Pages: 85 - 94

13. Relationship between the CYP2D6 genotype and the steady-state plasma concentrations of trazodone and its active metabolite m-chlorophenylpiperazine

    • Kazuo Mihara
    • K. Otani
    • Frank J. Gonzalez

    ORIGINAL INVESTIGATION Pages: 95 - 98

14. Frontal 5-HT2A receptors studied in depressive patients during chronic treatment by selective serotonin reuptake inhibitors

    • J. M. Massou
    • C. Trichard
    • J. L. Martinot

    RAPID COMMUNICATION Pages: 99 - 101

15. Previous treatment as a confounding variable in studies with novel antipsychotics: two cases of high dopamine-2 receptor occupancy with quetiapine

    • J. Tauscher
    • Bernd Küfferle
    • Siegfried Kasper

    RAPID COMMUNICATION Pages: 102 - 105

16. Reinstatement and spontaneous recovery of nicotine seeking in rats

    • Y. Shaham
    • Laurel K. Adamson
    • William A. Corrigall

    ERRATUM Pages: 106 - 106