1. Comparison of 7-nitroindazole with other nitric oxide synthase inhibitors as attenuators of opioid withdrawal

   • D. Bruce Vaupel
   • Alane S. Kimes
   • Edythe D. London

   Original Investigation Pages: 361 - 368

2. Receptor binding profile suggests multiple mechanisms of action are responsible for ibogaine's putative anti-addictive activity

   • P. M. Sweetnam
   • J. Lancaster
   • J. Ferkany

   Original Investigation Pages: 369 - 376

3. Effects of caffeine deprivation on complex human functioning

   • S. Streufert
   • R. Pogash
   • J. D. Roache

   Original Investigation Pages: 377 - 384

4. Dose dependent effects of S-20098, a melatonin agonist, on direction of re-entrainment of rat circadian activity rhythms

   • J. R. Redman
   • M. Brown
   • S. M. Armstrong

   Original Investigation Pages: 385 - 390

5. The effects of morphine treatment and morphine withdrawal on the dynorphin and enkephalin systems in sprague-dawley rats

   • I. Nylander
   • M. Vlaskovska
   • L. Terenius

   Original Investigation Pages: 391 - 400

6. LSD and structural analogs: pharmacological evaluation at D₁ dopamine receptors

   • V. J. Watts
   • R. B. Mailman
   • D. E. Nichols

   Original Investigation Pages: 401 - 409

7. Effects of neurotensin on EEG and event-related potentials in the rat

   • P. Robledo
   • W. M. Kaneko
   • C. L. Ehlers

   Original Investigation Pages: 410 - 418

8. Pharmacological specificity of Δ⁹-tetrahydrocannabinol discrimination in rats

   • R. L. Barrett
   • J. L. Wiley
   • B. R. Martin

   Original Investigation Pages: 419 - 424

9. Anxiolytic-like effects of yohimbine in the murine plus-maze: strain independence and evidence against α₂-adrenoceptor mediation

   • J. C. Cole
   • G. J. Burroughs
   • R. J. Rodgers

   Original Investigation Pages: 425 - 436

10. Bromocriptine enhancement of responding for conditioned reward depends on intact D₁ receptor function

    • R. Ranaldi
    • R. J. Beninger

    Original Investigation Pages: 437 - 443

11. Kappa opioid agonists produce anxiolytic-like behavior on the elevated plus-maze

    • T. H. Privette
    • D. M. Terrian

    Original Investigation Pages: 444 - 450

12. Morphine and naltrexone modulate D₂ but not D₁ receptor induced motor behavior in MPTP-lesioned monkeys

    • R. J. Vermeulen
    • B. Drukarch
    • C. Goosen

    Original Investigation Pages: 451 - 459

13. Alcohol pharmacodynamics in young-elderly adults contrasted with young and middle-aged subjects

    • L. A. Tupler
    • S. Hege
    • E. H. Ellinwood Jr.

    Original Investigation Pages: 460 - 470

14. Effect of pindolol on the prolactin response tod-denfluramine

    • S. B. G. Park
    • P. J. Cowen

    Original Investigation Pages: 471 - 474

15. Time course of the effects of diazepam and lorazepam on perceptual priming and explicit memory

    • F. Legrand
    • P. Vidailhet
    • J. -L. Imbs

    Rapid Communication Pages: 475 - 479

16. Erratum

    Erratum Pages: 480 - 480