1. Alteration of brain noradrenergic activity in rhesus monkeys affects the alerting component of covert orienting

   • E. A. Witte
   • R. T. Marrocco

   ORIGINAL INVESTIGATION Pages: 315 - 323

2. Effects of altering brain cholinergic activity on covert orienting of attention: comparison of monkey and human performance

   • E. A. Witte
   • M. C. Davidson
   • R. T. Marrocco

   ORIGINAL INVESTIGATION Pages: 324 - 334

3. Endotoxin-induced reduction of social investigation by mice: interaction with amphetamine and anti-inflammatory drugs

   • Rod J. Fishkin
   • James T. Winslow

   ORIGINAL INVESTIGATION Pages: 335 - 341

4. Role of behavioral and pharmacological variables in the loss of tolerance to amphetamine hypophagia

   • D. L. Wolgin
   • Katherine M. Hughes

   ORIGINAL INVESTIGATION Pages: 342 - 349

5. Opiate agonists microinjected into the nucleus accumbens enhance sucrose drinking in rats

   • M. Zhang
   • Ann E. Kelley

   ORIGINAL INVESTIGATION Pages: 350 - 360

6. Effects of lorazepam administration on striatal dopamine D2 receptor binding characteristics in man – a positron emission tomography study

   • J. Hietala
   • Mikko Kuoppamäki
   • Erkka Syvälahti

   ORIGINAL INVESTIGATION Pages: 361 - 365

7. Potentiation of prepulse inhibition of the startle reflex in rats: pharmacological evaluation of the procedure as a model for detecting antipsychotic activity

   • R. Depoortere
   • G. Perrault
   • D. J. Sanger

   ORIGINAL INVESTIGATION Pages: 366 - 374

8. Binge cocaine self-administration in humans: intravenous cocaine

   • A. S. Ward
   • Margaret Haney
   • Richard W. Foltin

   ORIGINAL INVESTIGATION Pages: 375 - 381

9. Discriminative stimulus effects of site-selective N-methyl-d-aspartate antagonists in NPC 17742-trained rats and squirrel monkeys

   • J. L. Wiley
   • H. Li
   • Robert L. Balster

   ORIGINAL INVESTIGATION Pages: 382 - 388

10. Effect of acute subcutaneous nicotine on prepulse inhibition of the acoustic startle reflex in healthy male non-smokers

    • V. Kumari
    • Paul A. Cotter
    • Jeffrey A. Gray

    ORIGINAL INVESTIGATION Pages: 389 - 395

11. Improvement of acute exacerbations of schizophrenia with amisulpride: a comparison with haloperidol

    • H. J. Möller
    • P. Boyer
    • PROD-ASLP Study Group

    ORIGINAL INVESTIGATION Pages: 396 - 401

12. Human cytochromes mediating N-demethylation of fluoxetine in vitro

    • L. L. von Moltke
    • David J. Greenblatt
    • L. L. Von Moltke

    ORIGINAL INVESTIGATION Pages: 402 - 407

13. Similarities and differences between the subchronic and withdrawal effects of clozapine and olanzapine on forelimb force steadiness

    • John A. Stanford
    • S. C. Fowler

    ORIGINAL INVESTIGATION Pages: 408 - 414