1. Central dopamine receptor agonist and antagonist actions of the enantiomers of 3-PPP

   • S. Hjorth
   • A. Carlsson
   • J. L. G. Nilsson

   Original Investigations Pages: 89 - 99

2. Piracetam in elderly psychiatric patients with mild diffuse cerebral impairment

   • G. Chouinard
   • L. Annable
   • F. Fontaine

   Original Investigations Pages: 100 - 106

3. Prior behavioral experience can reverse the effects of morphine

   • J. E. Barrett
   • J. A. Stanley

   Original Investigations Pages: 107 - 110

4. Inhibition of shaking movements in rats by central administration of cholinergic and adrenergic agents

   • E. T. Wei

   Original Investigations Pages: 111 - 114

5. Serum neuroleptic activity, prolactin, and tardive dyskinesia in schizophrenic outpatients

   • John G. Csernansky
   • Jonathan Kaplan
   • Leo E. Hollister

   Original Investigations Pages: 115 - 118

6. Studies on the pharmacology of d-amphetamine on maximal electroconvulsive seizure in young chicks

   • G. Osuide
   • C. Wambebe
   • D. Ngur

   Original Investigations Pages: 119 - 121

7. Potentiation of the behavioural effects of the antidepressant phenelzine by deuterium substitution

   • Colin T. Dourish
   • Karen M. Dewar
   • Alan A. Boulton

   Original Investigations Pages: 122 - 125

8. Pharmacological characterization of the receptors involved in the apomorphine-induced polyphasic modifications of locomotor activity in mice

   • P. Protais
   • J. J. Bonnet
   • J. Costentin

   Original Investigations Pages: 126 - 134

9. Comparative assessment of dopamine agonist aporphines as anticonvulsants in two models of reflex epilepsy

   • G. M. Anlezark
   • D. H. R. Blackwood
   • J. L. Neumeyer

   Original Investigations Pages: 135 - 139

10. Naloxone fails to reverse hypnotic alleviation of chronic pain

    • David Spiegel
    • Leonard H. Albert

    Original Investigations Pages: 140 - 143

11. Assessment of dependence potential of drugs in humans using multiple indices

    • C. E. Johanson
    • K. Kilgore
    • E. H. Uhlenhuth

    Original Investigations Pages: 144 - 149

12. Modulating role of lithium on dopamine turnover, prolactin release, and behavioral supresensitivity following haloperidol and reserpine

    • Iain M. McIntyre
    • Cynthia Kuhn
    • Michael Stanley

    Original Investigations Pages: 150 - 154

13. Different behavioral mechanisms underlie tolerance to the anorectic effects of fenfluramine and quipazine

    • Neil Rowland
    • Janis Carlton

    Original Investigations Pages: 155 - 157

14. Self-injection of amphetamine directly into the brain

    • Bartley G. Hoebel
    • Anthony P. Monaco
    • Laszlo Lenard

    Original Investigations Pages: 158 - 163

15. Effects of cocaine, chlordiazepoxide, and chlorpromazine on responding of squirrel monkeys under second-order schedules of IM cocaine injection or food presentation

    • J. O. Valentine
    • J. L. Katz
    • J. E. Barrett

    Original Investigations Pages: 164 - 169

16. Differential effects of dopaminergic agonists on food-reinforced operant behavior in the long-tailed macaque (Macaca fascicularis)

    • David J. Dooley
    • Douglas M. Bowden

    Original Investigations Pages: 170 - 176

17. The role of different types of adrenergic receptors in phentylenetetrazol-induced seizures and the effect of di-n-propylacetate in the rat

    • M. Lazarova
    • C. Bendotti
    • R. Samanin

    Original Investigations Pages: 177 - 182