1. Effect of different neuroleptics in tardive dyskinesia and parkinsonism

   • Nordic Dyskinesia Study Group

   Original Investigations Pages: 423 - 429

2. Effects of forskolin and cyclic nucleotides in animal models predictive of antidepressant activity: interactions with rolipram

   • Helmut Wachtel
   • Peter A. Löschmann

   Original Investigations Pages: 430 - 435

3. Antagonism of the behavioral effects of cocaine and d-amphetamine by prazosin

   • Richard E. Tessel
   • James E. Barrett

   Original Investigations Pages: 436 - 440

4. Negative reinforcing properties of naloxone in the non-dependent rhesus monkey: influence on reinforcing properties of codeine, tilidine, buprenorphine, and pentazocine

   • F. Hoffmeister

   Original Investigations Pages: 441 - 450

5. Aggression during morphine withdrawal: Effects of method of withdrawal, fighting experience, and social role

   • Kathleen M. Kantak
   • Klaus A. Miczek

   Original Investigations Pages: 451 - 456

6. Benactyzine increases alarm call rates in the squirrel monkey

   • J. R. Glowa
   • J. D. Newman

   Original Investigations Pages: 457 - 460

7. Effects of H₁-receptor antagonists on responding punished by histamine injection or electric shock presentation in squirrel monkeys

   • Jonathan L. Katz
   • Steven R. Goldberg

   Original Investigations Pages: 461 - 467

8. Effects of smoking on haloperidol and reduced haloperidol plasma concentrations and haloperidol clearance

   • Michael W. Jann
   • Stephen R. Saklad
   • Chester M. Davis

   Original Investigations Pages: 468 - 470

9. Lack of circadian rhythm in plasma levels of 3,4-dihydroxyphenylethyleneglycol in healthy human subjects

   • Trevor Dennis
   • Chawki Benkelfat
   • Henri Lôo

   Original Investigations Pages: 471 - 474

10. Response repetition in pigeons: pharmacological and behavioral specificity

    • Wouter Koek
    • James H. Woods

    Original Investigations Pages: 475 - 481

11. Lithium decreases 5-HT_1A and 5-HT₂ receptor and α₂-adrenoreceptor mediated function in mice

    • G. M. Goodwin
    • R. J. DeSouza
    • A. R. Green

    Original Investigations Pages: 482 - 487

12. The enhancement by lithium of the 5-HT_1A mediated serotonin syndrome produced by 8-OH-DPAT in the rat: evidence for a post-synaptic mechanism

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

    Original Investigations Pages: 488 - 493

13. Effects of vasopressin, des-glycinamide vasopressin and amphetamine on a combined passive and active avoidance task

    • Arjun Sahgal

    Original Investigations Pages: 494 - 498

14. Delta-9-tetrahydrocannabinol (THC) increases brain prostaglandins in the rat

    • S. K. Bhattacharya

    Original Investigations Pages: 499 - 502

15. Effects of chronic fenfluramine on blood serotonin, cerebrospinal fluid metabolites, and behavior in monkeys

    • Michael J. Raleigh
    • Gary L. Brammer
    • Arthur Yuwiler

    Original Investigations Pages: 503 - 508

16. The effect of clonidine on plasma MHPG: Evidence against tonic alpha₂-adrenoceptor control of noradrenergic function

    • David J. Nutt
    • Stephen G. Molyneux

    Original Investigations Pages: 509 - 512

17. Analysis of the role of drug-predictive environmental stimuli in tolerance to the hypothermic effects of the benzodiazepine midazolam

    • J. W. Griffiths
    • A. J. Goudie

    Original Investigations Pages: 513 - 521

18. The effects of smoking on electrocortical arousal in coronary prone (Type A) and non-coronary prone (Type B) subjects

    • Paul M. Cinciripini

    Original Investigations Pages: 522 - 527

19. Studies on the possible role of brain 5-HT systems and adrenocortical activity in behavioural responses to nicotine and diazepam in an elevated X-maze

    • D. J. K. Balfour
    • C. A. Graham
    • A. L. Vale

    Original Investigations Pages: 528 - 532

20. Cigarette withdrawal symptoms in adolescent smokers

    • Ann D. McNeill
    • Robert J. West
    • Andrew Bryant

    Original Investigations Pages: 533 - 536

21. Sex differences in muscarinic receptor binding after chronic ethanol administration in the rat

    • Ellen D. Witt
    • Charles R. Mantione
    • Israel Hanin

    Original Investigations Pages: 537 - 542

22. The effect of training dose on discrimination of compound drug-exteroceptive stimuli

    • Perry M. Duncan

    Original Investigations Pages: 543 - 547

23. Modification of the radioreceptor assay technique for estimation of serum neuroleptic drug levels leads to improved precision and sensitivity

    • Marie Luise Rao

    Original Investigations Pages: 548 - 553

24. Retrograde memory enhancement by diazepam: its relation to anterograde amnesia, and some clinical implications

    • Larry Cahill
    • Jorge Brioni
    • Ivan Izquierdo

    Original Investigations Pages: 554 - 556