1. Scopolamine slows the orienting of attention in primates to cued visual targets

   • M. C. Davidson
   • E. B. Cutrell
   • R. T. Marrocco

   ORIGINAL INVESTIGATION Pages: 1 - 8

2. Differential effects of ketamine on gating of auditory evoked potentials and prepulse inhibition in rats

   • N. M. W. J. de Bruin
   • B. A. Ellenbroek
   • E. L. J. M. van Luijtelaar

   ORIGINAL INVESTIGATION Pages: 9 - 17

3. Effects of nicotine administered via a transdermal delivery system on vigilance: a repeated measure study

   • G. Mancuso
   • Pilar Andres
   • Ezio Tirelli

   ORIGINAL INVESTIGATION Pages: 18 - 23

4. The effects of tryptophan depletion and loading on laboratory aggression in men: time course and a food-restricted control

   • J. M. Bjork
   • Donald M. Dougherty
   • Alan C. Swann

   ORIGINAL INVESTIGATION Pages: 24 - 30

5. Enhanced responding for conditioned reward produced by intra-accumbens amphetamine is potentiated after cocaine sensitization

   • J. R. Taylor
   • B. A. Horger

   ORIGINAL INVESTIGATION Pages: 31 - 40

6. Psychopathological, neuroendocrine and autonomic effects of 3,4-methylenedioxyethylamphetamine (MDE), psilocybin and d-methamphetamine in healthy volunteers Results of an experimental double-blind placebo-controlled study

   • E. Gouzoulis-Mayfrank
   • B. Thelen
   • H. Sass

   ORIGINAL INVESTIGATION Pages: 41 - 50

7. Actions of the D1 agonists A-77636 and A-86929 on locomotion and dyskinesia in MPTP-treated L-dopa-primed common marmosets

   • R. K. B. Pearce
   • M. Jackson
   • C. D. Marsden

   ORIGINAL INVESTIGATION Pages: 51 - 60

8. The impact of ergotamine-induced headache and ergotamine withdrawal on information processing

   • S. Evers
   • Felix Schmidt
   • Ingo W. Husstedt

   ORIGINAL INVESTIGATION Pages: 61 - 67

9. Peripheral hormonal responses to D-fenfluramine as a probe of central serotonergic function in humans

   • K. M. Abel
   • Anthony J. Cleare

   ORIGINAL INVESTIGATION Pages: 68 - 72

10. Effects of adrenalectomy on 8-OH-DPAT induced hypothermia in mice

    • R. H. McAllister-Williams
    • M. S. Man
    • A. H. Young

    ORIGINAL INVESTIGATION Pages: 73 - 77

11. Dopamine D4 receptor antagonist reversal of subchronic phencyclidine-induced object retrieval/detour deficits in monkeys

    • J. D. Jentsch
    • Jane R. Taylor
    • Robert H. Roth

    ORIGINAL INVESTIGATION Pages: 78 - 84

12. Chronic morphine induces long-lasting changes in acetylcholine release in rat nucleus accumbens core and shell: an in vivo microdialysis study

    • Magdaléna Fiserová
    • Silvana Consolo
    • Miloslav Krsiak

    ORIGINAL INVESTIGATION Pages: 85 - 94

13. Oxytocin as a possible mediator of SSRI-induced antidepressant effects

    • Kerstin Uvnäs-Moberg
    • E. Björkstrand
    • S. Ahlenius

    ORIGINAL INVESTIGATION Pages: 95 - 101

14. Effects of D1 dopamine receptor agonists on oral ethanol self-administration in rats: comparison with their efficacy to produce grooming and hyperactivity

    • C. Cohen
    • Ghislaine Perrault
    • David J. Sanger

    ORIGINAL INVESTIGATION Pages: 102 - 110