1. Lasting effects of repeated cocaine administration on acoustic and fear-potentiated startle in rats

   • M. Kathleen Gordon
   • J. B. Rosen

   Original Investigation Pages: 1 - 7

2. Triazolam and zolpidem: effects on human memory and attentional processes

   • M. Z. Mintzer
   • Roland R. Griffiths

   ORIGINAL INVESTIGATION Pages: 8 - 19

3. Interactions between neuroleptics and 5-HT1A ligands in preclinical behavioral models for antipsychotic and extrapyramidal effects

   • E. P. M. Prinssen
   • Mark S. Kleven
   • Wouter Koek

   ORIGINAL INVESTIGATION Pages: 20 - 29

4. Neuroleptic influences on a lateralized behavioral bias in unoperated rats

   • G. Taylor
   • Mark Bardgett
   • Sharon Womack

   Original Investigation Pages: 30 - 37

5. A double blind study of the effects of smoking on heart rate: is there tachyphylaxis?

   • M. E. Houlihan
   • Walter S. Pritchard
   • John H. Robinson

   ORIGINAL INVESTIGATION Pages: 38 - 44

6. Naltrexone and β-funaltrexamine antagonism of the antinociceptive and response rate-decreasing effects of morphine, dezocine, and d-propoxyphene

   • E. A. Walker
   • Michael J. Tiano
   • Mitchell J. Picker

   Original Investigation Pages: 45 - 53

7. Modulation of behaviour on trials 1 and 2 in the elevated plus-maze test of anxiety after systemic and hippocampal administration of nicotine

   • Abdel-Mouttalib Ouagazzal
   • Paul J. Kenny
   • S. E. File

   Original Investigation Pages: 54 - 60

8. Effects of acute and repeated dose administration of caffeine and pentoxifylline on diazepam-induced mouse behavior in the hole-board test

   • V. S. N. Rao
   • F. A. Santos
   • A. R. Campos

   ORIGINAL INVESTIGATION Pages: 61 - 66

9. Behavioural analysis of the acute and chronic effects of MDMA treatment in the rat

   • H. M. Marston
   • Morag E. Reid
   • Steven P. Butcher

   Original Investigation Pages: 67 - 76

10. Sex differences in the acquisition of intravenously self-administered cocaine and heroin in rats

    • W. J. Lynch
    • Marilyn E. Carroll

    Original Investigation Pages: 77 - 82

11. Cyanamide reduces brain catalase and ethanol-induced locomotor activity: is there a functional link?

    • Carles Sanchis-Segura
    • Marta Miquel
    • C. M. G. Aragon

    ORIGINAL INVESTIGATION Pages: 83 - 89

12. The dopamine D3 antagonist U-99194A maleate increases social behaviors of isolation-induced aggressive male mice

    • M. Rodríguez-Arias
    • C. M. Felip
    • J. Miñarro

    ORIGINAL INVESTIGATION Pages: 90 - 94