1. Repeated ECS and fluoxetine administration have equivalent effects on hippocampal synaptic plasticity

   • C. A. Stewart
   • I. C. Reid

   Original Investigation Pages: 217 - 223

2. The discriminative stimulus properties of the atypical antipsychotic olanzapine in rats

   • J. H. Porter
   • S. E. McCallum
   • R. E. Vann

   Original Investigation Pages: 224 - 233

3. Effects of the competitive nicotinic antagonist erysodine on behavior occasioned or maintained by nicotine: comparison with mecamylamine

   • R. S. Mansbach
   • L. K. Chambers
   • C. C. Rovetti

   Original Investigation Pages: 234 - 242

4. The role of nicotinic and muscarinic acetylcholine receptors in attention

   • N. R. Mirza
   • I. P. Stolerman

   Original Investigation Pages: 243 - 250

5. Evaluation of anti-cocaine antibodies and a cocaine vaccine in a rat self-administration model

   • K. M. Kantak
   • S. L. Collins
   • B. S. Fox

   Original Investigation Pages: 251 - 262

6. Acute opioid but not benzodiazepine dependence in rats responding for intracranial self-stimulation

   • K. W. Easterling
   • R. M. Plovnick
   • S. G. Holtzman

   Original Investigation Pages: 263 - 271

7. Reinforcing and subjective effects of morphine in human opioid abusers: effect of dose and alternative reinforcer

   • S. J. Heishman
   • K. J. Schuh
   • S. R. Goldberg

   Original Investigation Pages: 272 - 280

8. Phencyclidine-induced abnormal behaviors in rats as measured by the hole board apparatus

   • T. Morita
   • R. Sonoda
   • T. Yamaguchi

   Original Investigation Pages: 281 - 288

9. Cocaine self-administration ”binges”: transition from behavioral and autonomic regulation toward homeostatic dysregulation in rats

   • W. Tornatzky
   • K. A. Miczek

   Original Investigation Pages: 289 - 298

10. Cocaine-induced changes in extracellular dopamine determined by microdialysis in awake squirrel monkeys

    • P. W. Czoty
    • J.B. Justice Jr
    • L. L. Howell

    Original Investigation Pages: 299 - 306

11. Amphetamine-induced activation of forebrain EEG is prevented by noradrenergic β-receptor blockade in the halothane-anesthetized rat

    • C. W. Berridge
    • M. F. Morris

    Original Investigation Pages: 307 - 313

12. Effect of baclofen on cocaine self-administration in rats reinforced under fixed-ratio 1 and progressive-ratio schedules

    • K. Brebner
    • R. Phelan
    • D. C. S. Roberts

    Original Investigation Pages: 314 - 321

13. Memory disturbances in ”Ecstasy” users are correlated with an altered brain serotonin neurotransmission

    • L. Reneman
    • J. Booij
    • B. Gunning

    Rapid Communication Pages: 322 - 324

14. Does mirtazapine enhance serotonergic neurotransmission in depressed patients?

    • R. Whale
    • E. M. Clifford
    • P. J. Cowen

    Letter to the Editors Pages: 325 - 326