1. Alcohol responsiveness, hyperreactivity, and motor restlessness in an animal model for attention-deficit hyperactivity disorder

   • C. Fahlke
   • S. Hansen

   Original Investigation Pages: 1 - 9

2. The acetylcholinesterase inhibitor, ENA 713 (Exelon), attenuates the working memory impairment induced by scopolamine in an operant DNMTP task in rats

   • Theresa M. Ballard
   • K. H. McAllister

   Original Investigation Pages: 10 - 18

3. Fluoxetine blocks expression but not development of sensitization to morphine-induced oral stereotypy in rats

   • Heidi K. Wennemer
   • C. Kornetsky

   Original Investigation Pages: 19 - 23

4. Alcohol and visually guided saccades: gap effect and predictability of target location

   • A.-J. Wegner
   • M. Fahle

   Original Investigation Pages: 24 - 32

5. Non-specific effect of naltrexone on ethanol consumption in social drinkers

   • H. de Wit
   • Johanna Svenson
   • Aaron York

   Original Investigation Pages: 33 - 41

6. Sensitization of apomorphine-induced stereotyped behavior in mice is context dependent

   • John J. Battisti
   • N. J. Uretsky
   • Lane J. Wallace

   Original Investigation Pages: 42 - 48

7. Evaluation of the reinforcing properties and phencyclidine-like discriminative stimulus effects of dextromethorphan and dextrorphan in rats and rhesus monkeys

   • Katherine L. Nicholson
   • Belinda A. Hayes
   • R. L. Balster

   Original Investigation Pages: 49 - 59

8. Serotonin depletion attenuates cocaine-seeking behavior in rats

   • L. T. L. Tran-Nguyen
   • David A. Baker
   • Janet L. Neisewander

   Original Investigation Pages: 60 - 66

9. Behavioral effects of ketamine, an NMDA glutamatergic antagonist, in non-human primates

   • Yasuyuki Shiigi
   • Daniel E. Casey

   Original Investigation Pages: 67 - 72

10. Genetic differences in cocaine-induced conditioned place preference in mice depend on conditioning trial duration

    • Christopher L. Cunningham
    • Shelly D. Dickinson
    • Carrie S. McMullin

    Original Investigation Pages: 73 - 80

11. Occupancy of striatal D2-like dopamine receptors after treatment with the sigma ligand EMD 57445, a putative atypical antipsychotic

    • G. Gründer
    • Matthias J. Müller
    • Otto Benkert

    Original Investigation Pages: 81 - 86

12. Rapid induction of behavioral and neurochemical tolerance to cocaethylene, a model compound for agonist therapy of cocaine dependence

    • C. W. Bradberry
    • Tobias Lee
    • Peter Jatlow

    Original Investigation Pages: 87 - 92

13. Dopamine-transporter occupancy after intravenous doses of cocaine and methylphenidate in mice and humans

    • S. J. Gatley
    • Nora D. Volkow
    • Jean Logan

    Original Investigation Pages: 93 - 100

14. Intensity dependence of auditory evoked potentials (AEPs) as biological marker for cerebral serotonin levels: effects of tryptophan depletion in healthy subjects

    • Thomas Dierks
    • Stefan Barta
    • Fritz Poustka

    Original Investigation Pages: 101 - 107

15. Effect of oestradiol on postpartum depression

    • A. Ahokas
    • Jutta Kaukoranta
    • Marjatta Aito

    Rapid Communication Pages: 108 - 110