1. Naloxone does not affect cigarette smoking

   • R. Nemeth-Coslett
   • Roland R. Griffiths

   Original Investigations Pages: 261 - 264

2. Involvement of different dopamine receptors in rat diphasic motility response to apomorphine

   • Alberto Vaccheri
   • Rossella Dall'Olio
   • Nicola Montanaro

   Original Investigations Pages: 265 - 268

3. A conditioned anti-parkinsonian drug effect in the hemi-parkinsonian rat

   • Robert J. Carey

   Original Investigations Pages: 269 - 272

4. Rolipram forms a potent discriminative stimulus in drug discrimination experiments in rats

   • R. Ortmann
   • J. G. Meisburger

   Original Investigations Pages: 273 - 277

5. Pharmacological modification of DDT-induced tremor and hyperthermia in rats: Distributional factors

   • David W. Herr
   • Jau-Shyong Hong
   • G. Jean Harry

   Original Investigations Pages: 278 - 283

6. Discrimination of Ro 11-6896, chlordiazepoxide and ethanol in gerbils: Generalization and antagonism tests

   • Arto J. Hiltunen
   • Torbjörn U. C. Järbe

   Original Investigations Pages: 284 - 290

7. Concentrations of thioridazine and thioridazine metabolites in erythrocytes

   • Charlotte Svensson
   • Gösta Nyberg
   • Erik M»rtensson

   Original Investigations Pages: 291 - 292

8. Influence of the time of administration of dexamethasone 0.25 MG on cortisol secretion in normal humans

   • P. Schulz
   • C. Costa
   • P. Dick

   Original Investigations Pages: 293 - 295

9. Reversal of scopolamine-induced amnesia of passive avoidance by pre- and post-training naloxone

   • Douglas K. Rush

   Original Investigations Pages: 296 - 300

10. The discriminative stimulus and subjective effects of d-amphetamine, phenmetrazine and fenfluramine in humans

    • L. D. Chait
    • E. H. Uhlenhuth
    • C. E. Johanson

    Original Investigations Pages: 301 - 306

11. Haloperidol facilitates memory retrieval in the rat

    • Susan J. Sara

    Original Investigations Pages: 307 - 310

12. Lithium and bupropion antagonise the phasic changes in locomotor activity caused by dopamine infused into the rat nucleus accumbens

    • Julie C. Barnes
    • Brenda Costall
    • Robert J. Naylor

    Original Investigations Pages: 311 - 316

13. The discriminative stimulus properties of zolpidem, a novel imidazopyridine hypnotic

    • D. J. Sanger
    • B. Zivkovic

    Original Investigations Pages: 317 - 322

14. Tolerance to effects of morphine without cross tolerance to effects of clonidine on schedule-controlled behavior of pigeons

    • Jonathan L. Katz

    Original Investigations Pages: 323 - 326

15. An analysis of the paradoxical effect of morphine on runway speed and food consumption

    • William A. Corrigall
    • Mary Ann Linseman
    • Hau Lei

    Original Investigations Pages: 327 - 333

16. Phencyclidine-induced retrograde amnesia in mice

    • Toshitaka Nabeshima
    • Teruo Kozawa
    • Tsutomu Kameyama

    Original Investigations Pages: 334 - 337

17. Prolonged cataleptogenic effects of potentized homoeopathic drugs

    • Nirmal C. Sukul
    • Sujan K. Bala
    • Bhudev Bhattacharyya

    Original Investigations Pages: 338 - 339

18. Anatomical disassociation of amphetamine's rewarding and aversive effects: An intracranial microinjection study

    • Geoffrey D. Carr
    • Norman M. White

    Original Investigations Pages: 340 - 346

19. The effects of transdermal scopolamine and four dose levels of oral scopolamine (0.15, 0.3, 0.6, and 1.2 mg) upon psychological performance

    • A. C. Parrott

    Original Investigations Pages: 347 - 354

20. Reversal and nonreversal shifts under amphetamine

    • I. Weiner
    • J. Feldon

    Original Investigations Pages: 355 - 359

21. Effects of repeated doses of fluvoxamine, mianserin and placebo on memory and measures of sedation

    • H. Valerie Curran
    • Philip Shine
    • Malcolm Lader

    Original Investigations Pages: 360 - 363

22. Behavioral and biochemical studies of dopamine receptor sensitivity in differentially housed mice

    • Carole Ann Wilmot
    • Christina Vander Wende
    • Marie T. Spoerlein

    Original Investigations Pages: 364 - 369

23. ³H-clonidine and ³H-yohimbine binding to glass fiber filters: Implications for studies with platelet membranes

    • John E. Piletz
    • Anne C. Andorn
    • Angelos Halaris

    Original Investigations Pages: 370 - 377

24. The effect of pramiracetam (CI-879) on the acquisition of a radial arm maze task

    • C. L. Murray
    • H. C. Fibiger

    Original Investigations Pages: 378 - 381

25. The effects of a 5-HT₁ receptor ligand isapirone (TVX Q 7821) on 5-HT synthesis and the behavioural effects of 5-HT agonists in mice and rats

    • G. M. Goodwin
    • Rosemarie J. De Souza
    • A. R. Green

    Original Investigations Pages: 382 - 387

26. Further studies of the putative serotonin agonist, m-chlorophenylpiperazine: Evidence for a serotonin receptor mediated mechanism of action in humans

    • Edward A. Mueller
    • Dennis L. Murphy
    • Trey Sunderland

    Rapid Communication Pages: 388 - 391

27. Stereoselective analysis of racemic psychotropic compounds by HPLC on chiral stationary phase

    • Donald F. Smith
    • William H. Pirkle

    Letter To The Editor Pages: 392 - 393

28. Announcement

    Announcement Pages: 394 - 394