1. Cocaine produces low dose locomotor depressant effects in mice

   • Frank R. George

   Original Investigations Pages: 147 - 150

2. SCH 23390 blocks drug-conditioned place-preference and place-aversion: anhedonia (lack of reward) or apathy (lack of motivation) after dopamine-receptor blockade?

   • E. Acquas
   • E. Carboni
   • G. Di Chiara

   Original Investigations Pages: 151 - 155

3. Effect of d-amphetamine, secobarbital, and marijuana on choice behavior: social versus nonsocial options

   • Stephen J. Heishman
   • Maxine L. Stitzer

   Original Investigations Pages: 156 - 162

4. Enhanced susceptibility to kindling by chlordimeform may be mediated by a local anesthetic action

   • M. E. Gilbert
   • C. M. Mack

   Original Investigations Pages: 163 - 167

5. Blockade of dopamine receptors reverses the behavioral effects of endogenous enkephalins in the Nucleus caudatus but not in the Nucleus accumbens: differential involvement of δ and μ opioid receptors

   • V. Daugé
   • P. Rossignol
   • B. P. Roques

   Original Investigations Pages: 168 - 175

6. Conditioned place aversion produced by FG 7142 is attenuated by haloperidol

   • Georges Di Scala
   • Guy Sandner

   Original Investigations Pages: 176 - 180

7. Magnesium alters the potency of cocaine and haloperidol on mouse aggression

   • Kathleen M. Kantak

   Original Investigations Pages: 181 - 188

8. Comparison of the effects of four cholinomimetic agents on cognition in primates following disruption by scopolamine or by lists of objects

   • N. M. J. Rupniak
   • M. J. Steventon
   • S. D. Iversen

   Original Investigations Pages: 189 - 195

9. Selective reduction by serotonergic agents of hypertonic saline consumption in rats: evidence for possible 5-HT_1C receptor mediation

   • J. C. Neill
   • S. J. Cooper

   Original Investigations Pages: 196 - 201

10. Detection of benzodiazepine receptor occupancy in the human brain by positron emission tomography

    • Hitoshi Shinotoh
    • Masaomi Iyo
    • Keizo Hirayama

    Original Investigations Pages: 202 - 207

11. Discriminative stimulus effects of intravenous l-nicotine and nicotine analogs or metabolites in squirrel monkeys

    • K. Takada
    • M. D. B. Swedberg
    • J. L. Katz

    Original Investigations Pages: 208 - 212

12. Lithium inhibition of protein kinase C activation-induced serotonin release

    • H. -Y. Wang
    • E. Friedman

    Original Investigations Pages: 213 - 218

13. Effects of repeated ritanserin on middle-aged poor sleepers

    • Kirstine Adam
    • Ian Oswald

    Original Investigations Pages: 219 - 221

14. Social withdrawal following amphetamine administration to marmosets

    • L. E. Annett
    • R. M. Ridley
    • H. F. Baker

    Original Investigations Pages: 222 - 229

15. Lithium increases 5-HT-mediated neuroendocrine responses in tricyclic resistant depression

    • P. J. Cowen
    • S. L. McCance
    • D. L. Julier

    Original Investigations Pages: 230 - 232

16. Prior stress attenuates the analgesic response but sensitizes the corticosterone and cortical dopamine responses to stress 10 days later

    • Anthony R. Caggiula
    • Seymour M. Antelman
    • David J. Edwards

    Original Investigations Pages: 233 - 237

17. Diazepam induces a dissociation between explicit and implicit memory

    • Jean-Marie Danion
    • Maric-Agathe Zimmermann
    • Léonard Singer

    Original Investigations Pages: 238 - 243

18. Dose-dependent and baseline-dependent conditioning with d-amphetamine in the place conditioning paradigm

    • N. L. Costello
    • J. N. Carlson
    • M. Bryda

    Original Investigations Pages: 244 - 247

19. Lack of effects of 5HT₃ receptor antagonists in the social interaction and elevated plus-maze tests of anxiety in the rat

    • Sandra E. File
    • Amanda L. Johnston

    Original Investigations Pages: 248 - 251

20. Plasma moclobemide and metabolites: lack of correlation with clinical response and biogenic amines

    • J. Fritze
    • G. Laux
    • H. Beckmann

    Original Investigations Pages: 252 - 256

21. Attenuation of anorexia induced by heat or surgery during sustained administration of ginsenoside Rg₁ into rat third ventricle

    • Kazuma Fujimoto
    • Toshiie Sakata
    • Hironobu Machidori

    Original Investigations Pages: 257 - 260

22. Diazepam and Δ-9-THC: contrasting effects on the discrimination of speech sounds in nonhuman primates

    • Robert D. Hienz
    • Joseph V. Brady

    Original Investigations Pages: 261 - 269

23. Cholinergic mechanisms in a simple test of olfactory learning in the rat

    • A. J. Hunter
    • T. K. Murray

    Original Investigations Pages: 270 - 275

24. Lithium increases 5-HT-mediated prolactin release

    • S. L. McCance
    • P. R. Cohen
    • P. J. Cowen

    Original Investigations Pages: 276 - 281

25. Placebo responses to cocaine administration in humans: effects of prior administrations and verbal instructions

    • Carles Muntaner
    • Nicola G. Cascella
    • Jerome Jaffe

    Original Investigations Pages: 282 - 286

26. Genetic differences in a tail suspension test for evaluating antidepressant activity

    • Ramon Trullas
    • Barrington Jackson
    • Phil Skolnick

    Original Investigations Pages: 287 - 288