1. Serotonin, memory, and the aging brain

   • William J. McEntee
   • Thomas H. Crook

   Review Pages: 143 - 149

2. ¹¹C-SCH 39166, a selective ligand for visualization of dopamine-D₁ receptor binding in the monkey brain using PET

   • Göran Sedvall
   • Lars Farde
   • Christer Halldin

   Original Investigations Pages: 150 - 153

3. Self-injection of barbiturates, benzodiazepines and other sedative-anxiolytics in baboons

   • Roland R. Griffiths
   • R. J. Lamb
   • Joseph V. Brady

   Original Investigations Pages: 154 - 161

4. Selectivity of antimuscarinic compounds for muscarinic receptors of human brain and heart

   • Eric W. Larson
   • Michael A. Pfenning
   • Elliott Richelson

   Original Investigations Pages: 162 - 165

5. Discriminative and reinforcing effects of brotizolam in rhesus monkeys

   • Michael A. Nader
   • Gail Winger
   • William L. Woolverton

   Original Investigations Pages: 166 - 171

6. Facilitory effect of Δ⁹-tetrahydrocannabinol on hypothalamically induced feeding

   • Weronika Trojniar
   • Roy A. Wise

   Original Investigations Pages: 172 - 176

7. Effects of hypophysectomy and adrenalectomy on naloxone-induced analgesia

   • H. Foo
   • R. F. Westbrook

   Original Investigations Pages: 177 - 182

8. Role of repeated exposure to morphine in determining its affective properties: place and taste conditioning studies in rats

   • M. Gaiardi
   • M. Bartoletti
   • M. Babbini

   Original Investigations Pages: 183 - 186

9. Dopamine and conditioned reinforcement

   • Ann E. Kelley
   • Jill M. Delfs

   Original Investigations Pages: 187 - 196

10. Dopamine and conditioned reinforcement

    • Ann E. Kelley
    • Jill M. Delfs

    Original Investigations Pages: 197 - 203

11. Differential effects of chronic antidepressants in behavioural tests of β-adrenergic and GABA_B receptor function

    • David J. McManus
    • Andrew J. Greenshaw

    Original Investigations Pages: 204 - 208

12. Neuroanatomical substrates mediating the aversive effects of D-1 dopamine receptor antagonists

    • T. S. Shippenberg
    • R. Bals-Kubik
    • A. Herz

    Original Investigations Pages: 209 - 214

13. Cholinergic drugs reverse AF64A-induced impairment of passive avoidance learning in rats

    • Naoki Yamazaki
    • Koki Kato
    • Akinobu Nagaoka

    Original Investigations Pages: 215 - 222

14. Response to marijuana as a function of potency and breathhold duration

    • James P. Zacny
    • L. D. Chait

    Original Investigations Pages: 223 - 226

15. CRF antagonist reverses the “anxiogenic” response to ethanol withdrawal in the rat

    • Helen A. Baldwin
    • Stefanie Rassnick
    • Karen T. Britton

    Original Investigations Pages: 227 - 232

16. Characteristics of benzodiazepine long-term users: investigation of benzodiazepine consumers among pharmacy customers

    • C. Barnas
    • W. W. Fleischhacker
    • H. Hinterhuber

    Original Investigations Pages: 233 - 239

17. Comparison of tetrahydroaminoacridine and physostigmine on scopolamine-induced free swim behavior in the rat

    • Car P. J. Dokla
    • Laura Rydelek-Fitzgerald

    Original Investigations Pages: 240 - 243

18. On the selection of mice for haloperidol response and non-response

    • Robert Hitzemann
    • Katherine Dains
    • Nancy R. Zahniser

    Original Investigations Pages: 244 - 250

19. Effects of antidepressant drugs and electroconvulsive shock on pre- and postsynaptic α₂-adrenoceptor function in the brain: rapid down-regulation by sibutramine hydrochloride

    • David J. Heal
    • Michael R. Prow
    • W. Roger Buckett

    Original Investigations Pages: 251 - 257

20. Inhibitory effect of ritanserin on the 5-hydroxytryptophan-mediated cortisol, ACTH and prolactin secretion in humans

    • Myung A. Lee
    • J. Frank Nash
    • Herbert Y. Meltzer

    Original Investigations Pages: 258 - 264

21. Tetrahydroaminoacridine inhibits high voltage spindle activity in aged rats after acute and chronic treatment

    • Paavo Riekkinen Jr
    • Minna Aaltonen
    • Paavo Riekkinen

    Original Investigations Pages: 265 - 267

22. Effects of shock intensity on observed tolerance to decreased avoidance responding by clonidine

    • James B. Smith

    Original Investigations Pages: 268 - 270

23. Place conditioning with dopamine D1 and D2 agonists injected peripherally or into nucleus accumbens

    • Norman M. White
    • Mark G. Packard
    • Noboru Hiroi

    Original Investigations Pages: 271 - 276

24. Salivary THC following cannabis smoking correlates with subjective intoxication and heart rate

    • David B. Menkes
    • Richard C. Howard
    • Eric R. Cairns

    Rapid Communication Pages: 277 - 279

25. Savoxepine: invalidation of an “atypical” neuroleptic response pattern predicted by animal models in an open clinical trial with schizophrenic patients

    • Hermann Wetzel
    • Klaus Wiedemann
    • Otto Benkert

    Rapid Communication Pages: 280 - 283

26. Announcement

    Announcement Pages: 284 - 284