1. Time course of D₂-dopamine receptor occupancy examined by PET after single oral doses of haloperidol

   • Anna-Lena Nordström
   • Lars Farde
   • Christer Halldin

   Original Investigations Pages: 433 - 438

2. Effects of buprenorphine on self-administration of cocaine and a nondrug reinforcer in rats

   • Marilyn E. Carroll
   • Sylvie T. Lac

   Original Investigations Pages: 439 - 446

3. Dopaminergic control of locomotion, mouthing, snout contact, and grooming: opposing roles of D₁ and D₂ receptors

   • David Eilam
   • Hazel Talangbayan
   • Henry Szechtman

   Original Investigations Pages: 447 - 454

4. Quantification of SCH 39166, a novel selective D1 dopamine receptor antagonist, in rat brain and blood

   • J. Hietala
   • T. Seppälä
   • E. Syvälahti

   Original Investigations Pages: 455 - 458

5. Lack of effect of high-dose cocaine on monoamine uptake sites in rat brain measured by quantitative autoradiography

   • S. Benmansour
   • S. M. Tejani-Butt
   • D. J. Brunswick

   Original Investigations Pages: 459 - 462

6. The kappa-opioid U-50,488H suppresses the initiation of nocturnal spontaneous drinking in normally hydrated rats

   • Aldo Badiani
   • Jane Stewart

   Original Investigations Pages: 463 - 473

7. Effects of early environmental experience on self-administration of amphetamine and barbital

   • Betty Zimmerberg
   • Marisa B. Brett

   Original Investigations Pages: 474 - 478

8. Changes in dopamine D₁, D₂ and D₃ receptor mRNA levels in rat brain following antipsychotic treatment

   • Paul R. Buckland
   • Michael C. O'Donovan
   • Peter McGuffin

   Original Investigations Pages: 479 - 483

9. Actions and some interactions of 5-HT_1A ligands in the elevated X-maze and effects of dorsal raphe lesions

   • M. A. E. Critchley
   • K. Njung'e
   • Sheila L. Handley

   Original Investigations Pages: 484 - 490

10. Bradycardiac responses elicited by alcohol odor in rat neonates: influence of in utero experience with ethanol

    • María Gabriela Chotro
    • Juan Carlos Molina

    Original Investigations Pages: 491 - 496

11. Effects of zolpidem and flunitrazepam on nocturnal sleep of women subjectively complaining of insomnia

    • A. C. Declerck
    • F. Ruwe
    • A. Wauquier

    Original Investigations Pages: 497 - 501

12. Effects of irreversible dopamine receptor inactivation on locomotor activity and grooming in the 17- and 90-day-old rat

    • Sanders A. McDougall
    • Cynthia A. Crawford
    • Arthur J. Nonneman

    Original Investigations Pages: 502 - 510

13. Benzodiazepine-induced sedation and cortisol suppression

    • P. Christensen
    • A. Lolk
    • P. Kragh-Sørensen

    Original Investigations Pages: 511 - 516

14. Pharmacokinetics of haloperidol and reduced haloperidol in chinese schizophrenic patients after intravenous and oral administration of haloperidol

    • Wen-Ho Chang
    • Y. W. Francis Lam
    • Hong Chen

    Original Investigations Pages: 517 - 522

15. Effects of cholinergic and non-cholinergic drugs on visual discrimination and delayed visual discrimination performance in rats

    • J. S. Andrews
    • M. Grützner
    • D. N. Stephens

    Original Investigations Pages: 523 - 530

16. Evidence for differential effects of 8-OH-DPAT on male and female rats in the Anxiety/Defense Test Battery

    • D. Caroline Blanchard
    • Jon K. Shepherd
    • Robert J. Blanchard

    Original Investigations Pages: 531 - 539

17. Effects of biperiden on sleep at baseline and after 72 h of REM sleep deprivation in the cat

    • Rafael J. Salin-Pascual
    • Anabel Jimenez-Anguiano
    • Rene Drucker-Colin

    Original Investigations Pages: 540 - 542

18. Behavioural tests of the dopamine depletion hypothesis of neuroleptic-induced response decrement

    • Paul Willner
    • Gavin Phillips
    • Peter Hood

    Original Investigations Pages: 543 - 549

19. Different drink cues elicit different physiological responses in non-dependent drinkers

    • Steven Glautier
    • D. Colin Drummond
    • Bob Remington

    Original Investigations Pages: 550 - 554

20. Effects of bromazepam on single-trial event-related potentials in a visual vigilance task

    • T. H. van Leeuwen
    • M. N. Verbaten
    • J. L. Slangen

    Original Investigations Pages: 555 - 564

21. Social isolation does not alter brain regional benzodiazepine binding site numbers, affinity and coupling in the rat

    • Alun Morinan
    • Vivienne Parker
    • Roger W. Horton

    Original Investigations Pages: 565 - 569

22. TRH effects on arousal, locomotor activity and spontaneous alternation in ECS post-ictal state

    • Arifulla Khan
    • Hyong Shim
    • Gary J. Tucker

    Letter To The Editors Pages: 570 - 571

23. Influence of intoxicated practice on the development of acute tolerance to the motor impairment effect of ethanol

    • A. D. Lê
    • H. Kalant

    Rapid Communication Pages: 572 - 576

24. Announcements

    Announcement Pages: 577 - 577

25. 6th Congress of the ECNP (European College of Neuropsychopharmacology)

    Announcement Pages: 578 - 578