1. Assessment of benzodiazepine receptor heterogeneity in vivo: apparent pA2 and pKB analyses from behavioral studies

   • James K. Rowlett
   • W. L. Woolverton

   REVIEW Pages: 1 - 16

2. Acute cocaine effects on absolute cerebral blood flow

   • E. A. Wallace
   • G. Wisniewski
   • T. R. Kosten

   ORIGINAL INVESTIGATION Pages: 17 - 20

3. Effects of alprazolam and lorazepam on catecholaminergic and cardiovascular activity during supine rest, mental load and orthostatic challenge

   • F. van den Berg
   • J. H. M. Tulen
   • L. Pepplinkhuizen

   ORIGINAL INVESTIGATION Pages: 21 - 30

4. Reduction of guinea pig pup isolation calls by anxiolytic and antidepressant drugs

   • H. E. Molewijk
   • K. Hartog
   • B. Olivier

   ORIGINAL INVESTIGATION Pages: 31 - 38

5. Differences in effects of Ca2+ channel antagonists on dopamine metabolism in the limbic and extrapyramidal dopaminergic structures

   • Lucyna Antkiewicz-Michaluk
   • Irena Romańska
   • J. Vetulani

   ORIGINAL INVESTIGATION Pages: 39 - 44

6. Effects of bromocriptine on self-administration of sweetened ethanol solutions in rats

   • R. Nadal
   • G. Prat
   • N. Ferré

   ORIGINAL INVESTIGATION Pages: 45 - 53

7. Effect of cigarette smoking on prepulse inhibition of the acoustic startle reflex in healthy male smokers

   • V. Kumari
   • Stuart A. Checkley
   • Jeffrey A. Gray

   ORIGINAL INVESTIGATION Pages: 54 - 60

8. Effect of the neuroactive steroid α-THDOC on staircase test behavior in mice

   • C. G. Pick
   • Yakov Peter
   • Ronit Weizman

   ORIGINAL INVESTIGATION Pages: 61 - 66

9. A comparison of the sedative and amnestic effects of chlorpromazine and lorazepam

   • J. F. Green
   • A. McElholm
   • D. J. King

   ORIGINAL INVESTIGATION Pages: 67 - 73

10. The effect of chronic fluvoxamine on hormonal and psychological responses to buspirone in normal volunteers

    • I. M. Anderson
    • J. F. W. Deakin
    • H. E. J. Miller

    ORIGINAL INVESTIGATION Pages: 74 - 82

11. Systemic pretreatment with MK-801 (dizocilpine) increases breaking points for self-administration of cocaine on a progressive-ratio schedule in rats

    • R. Ranaldi
    • Edward French
    • D. C. S. Roberts

    ORIGINAL INVESTIGATION Pages: 83 - 88

12. Initiation, maintenance and extinction of cocaine self-administration with and without conditioned reward

    • Robert Ranaldi
    • David C. S. Roberts

    ORIGINAL INVESTIGATION Pages: 89 - 96

13. Autoradiographic mapping of μ opioid receptor changes in rat brain after long-term haloperidol treatment: relationship to the development of vacuous chewing movements

    • Tsukasa Sasaki
    • James L. Kennedy
    • José N. Nobrega

    ORIGINAL INVESTIGATION Pages: 97 - 104

14. Combined effects of ethanol and cocaine on FOS-like protein and cocaethylene biosynthesis in the rat

    • G. Torres
    • Judith M. Horowitz

    ORIGINAL INVESTIGATION Pages: 105 - 114