1. Discriminative stimulus effects of spiradoline, a kappa-opioid agonist

   • Stephen G. Holtzman
   • Leonard Cook
   • George F. Steinfels

   Original Investigations Pages: 447 - 452

2. Comparison of the effects of mianserin and its enantiomers and metabolites on a behavioral screen for antidepressant activity

   • Timothy H. Hand
   • Gerard J. Marek
   • Lewis S. Seiden

   Original Investigations Pages: 453 - 458

3. Cross-tolerance and enhanced sensitivity to the response rate-decreasing effects of opioids with varying degrees of efficacy at the mu receptor

   • Mitchell J. Picker
   • Jill Yarbrough

   Original Investigations Pages: 459 - 466

4. Effect of hypothalamic and peripheral fluoxetine injection on natural patterns of macronutrient intake in the rat

   • Gail F. Weiss
   • Nancy Rogacki
   • Sarah F. Leibowitz

   Original Investigations Pages: 467 - 476

5. Effects of MK-801 stereoisomers on schedule-controlled behavior in rats

   • Raymond F. Genovese
   • Xi-Chun May Lu

   Original Investigations Pages: 477 - 480

6. Impaired sensitivity of the hypothalamo-pituitary-thyroid axis to the suppressant effect of dexamethasone in elderly subjects

   • Michele Iovino
   • Luca Steardo
   • Palmiero Monteleone

   Original Investigations Pages: 481 - 484

7. Behavioural and electroencephalographic interactions between haloperidol and PCP/sigma ligands in the rat

   • S. Sagratella
   • A. Scotti de Carolis
   • P. Popoli

   Original Investigations Pages: 485 - 491

8. Effect of extended depot fluphenazine treatment and withdrawal on social and other behaviors ofCebus apella monkeys

   • Kenneth Lifshitz
   • Robert T. O'Keeffe
   • Thomas B. Cooper

   Original Investigations Pages: 492 - 500

9. Effects of selective D₁ and D₂ dopamine antagonists on the development of behavioral sensitization to apomorphine

   • Bruce A. Mattingly
   • James K. Rowlett
   • Billie Jo Hatton

   Original Investigations Pages: 501 - 507

10. Excitatory amino acids and morphine withdrawal: differential effects of central and peripheral kynurenic acid administration

    • Kurt Rasmussen
    • John H. Krystal
    • George K. Aghajanian

    Original Investigations Pages: 508 - 512

11. Serotonergic modulation of the rat pup ultrasonic isolation call: studies with 5HT₁ and 5HT₂ subtype-selective agonists and antagonists

    • James T. Winslow
    • Thomas R. Insel

    Original Investigations Pages: 513 - 520

12. Effects of glucose on memory processes in young adults

    • Nina P. Azari

    Original Investigations Pages: 521 - 524

13. Role of genotype and dopamine receptors in behaviour of inbred mice in a forced swimming test

    • Ella M. Nikulina
    • Julia A. Skrinskaya
    • Nina K. Popova

    Original Investigations Pages: 525 - 529

14. Chronic alcohol consumption in alcohol-preferring P rats attenuates subsequent conditioned taste aversion produced by ethanol injections

    • R. B. Stewart
    • W. J. McBride
    • J. M. Murphy

    Original Investigations Pages: 530 - 534

15. Distribution of diazepam, nordiazepam, and oxazepam between brain extraneuronal space, brain tissue, plasma, and cerebrospinal fluid in diazepam and nordiazepam dependent dogs

    • Elzbieta P. Wala
    • William R. Martin
    • Jewell W. Sloan

    Original Investigations Pages: 535 - 540

16. Kinetics of piribedil and effects on dopamine metabolism: hepatic biotransformation is not a determinant of its dopaminergic action in rats

    • S. Sarati
    • G. Guiso
    • S. Caccia

    Original Investigations Pages: 541 - 545

17. Memory deficits induced byγ-l-glutamyl-l-aspartate andd-2-amino-5-phosphonovalerate in a Y-maze avoidance task: relationship to NMDA receptor antagonism

    • Chantal Mathis
    • Jean de Barry
    • Arielle Ungerer

    Original Investigations Pages: 546 - 552

18. Microinjection of propranolol into the dorsal periaqueductal gray causes an anxiolytic effect in the elevated plus-maze antagonized by ritanserin

    • E. A. Audi
    • R. M. W. de Oliveira
    • F. G. Graeff

    Original Investigations Pages: 553 - 557

19. Exploring the pharmacology of the pro-convulsant effects of α₂-adrenoceptor antagonists in mice

    • Helen C. Jackson
    • S. L. Dickinson
    • D. J. Nutt

    Original Investigations Pages: 558 - 562

20. Role of adrenoceptors in the potentiation of opioid antinociception by ephedrine and phenylpropanolamine in mice

    • Y. M. Dambisya
    • K. Chan
    • C. L. Wong

    Original Investigations Pages: 563 - 567

21. Lithium and 5-HT_1A receptor sensitivity: a neuroendocrine study in healthy volunteers

    • A. E. Walsh
    • C. J. Ware
    • P. J. Cowen

    Original Investigations Pages: 568 - 572

22. Effect of twoβ-blockers on stress during mental arithmetic

    • Renate Schweizer
    • Walton T. Roth
    • Thomas Elbert

    Original Investigations Pages: 573 - 577

23. Low but not high doses of buspirone reduce the anxiogenic effects of diazepam withdrawal

    • Sandra E. File
    • Nick Andrews

    Original Investigations Pages: 578 - 582