1. Modulating effects of a cold water stimulus on opioid effects in volunteers

   • Kim M. Conley
   • Alicia Y. Toledano
   • J. P. Zacny

   ORIGINAL INVESTIGATION Pages: 313 - 320

2. Effect of imipramine treatments on the 5-HT1A-receptor-mediated inhibition of panic-like behaviours in rats

   • R. Mongeau
   • Charles A. Marsden

   ORIGINAL INVESTIGATION Pages: 321 - 328

3. Effects of haloperidol and amisulpride on motor and cognitive skill learning in healthy volunteers

   • C. S. Peretti
   • J. M. Danion
   • P. Rosenzweig

   ORIGINAL INVESTIGATION Pages: 329 - 338

4. Central 5-HT2A and D2 dopamine receptor occupancy after sublingual administration of ORG 5222 in healthy men

   • B. Andrée
   • Christer Halldin
   • Lars Farde

   ORIGINAL INVESTIGATION Pages: 339 - 345

5. Interactions between H1-antagonists and opioids: a drug discrimination study

   • T. Suzuki
   • Tomohisa Mori
   • Kenji Onodera

   ORIGINAL INVESTIGATION Pages: 346 - 353

6. Flumazenil blockade of anxiety following ethanol withdrawal in rats

   • S. S. Moy
   • D. J. Knapp
   • G. R. Breese

   ORIGINAL INVESTIGATION Pages: 354 - 360

7. Nicotine discrimination and self-administration in humans as a function of smoking status

   • K. A. Perkins
   • Mark Sanders
   • Annette Wilson

   ORIGINAL INVESTIGATION Pages: 361 - 370

8. Executive function and uptake of 99mTcexametazime shown by single photon emission tomography after oral idazoxan in probable Alzheimer-type dementia

   • Guy M. Goodwin
   • Stuart C. Conway
   • Klaus P. Ebmeier

   ORIGINAL INVESTIGATION Pages: 371 - 378

9. Cortical and hippocampal EEG power spectra in animal models of schizophrenia produced with methamphetamine, cocaine, and phencyclidine

   • Jyunji Yamamoto

   ORIGINAL INVESTIGATION Pages: 379 - 387

10. Intracerebral penetration of carteolol hydrochloride in rats

    • S. Kudo
    • K. Umehara
    • Masaaki Odomi

    ORIGINAL INVESTIGATION Pages: 388 - 393

11. Differences in enhancing effects of zolpidem and benzodiazepine drugs on recurrent inhibition in rat hippocampal slices

    • M. Higashima
    • Hiroya Kinoshita
    • Yoshifumi Koshino

    ORIGINAL INVESTIGATION Pages: 394 - 398

12. 7-Nitroindazole, a nitric oxide synthase inhibitor, has anxiolytic-like properties in exploratory models of anxiety

    • V. Volke
    • Andres Soosaar
    • Eero Vasar

    ORIGINAL INVESTIGATION Pages: 399 - 405

13. Enhanced performance of spatial and visual recognition memory tasks by the selective acetylcholinesterase inhibitor E2020 in rhesus monkeys

    • N. M. J. Rupniak
    • Spencer J. Tye
    • Mark J. Field

    ORIGINAL INVESTIGATION Pages: 406 - 410

14. Abnormal ACTH and prolactin responses to fenfluramine in rats exposed to single and multiple doses of MDMA

    • R. E. Poland
    • Preetam Lutchmansingh
    • Robert N. Pechnick

    ORIGINAL INVESTIGATION Pages: 411 - 419