Glutamate: its role in learning, memory, and the aging brain William J. McEnteeThomas H. Crook Review Pages: 391 - 401
Phencyclidine-induced potentiation of brain stimulation reward: acute effects are not altered by repeated administration William A. Carlezon JrRoy A. Wise Original Investigations Pages: 402 - 408
Oral etonitazene and cocaine consumption by AA, ANA and Wistar rats P. HyyatiäJ. D. Sinclair Original Investigations Pages: 409 - 414
Pharmacological characterization of benzodiazepine receptor ligands with intrinsic efficacies ranging from high to zero James R. MartinPeter SchochWilly E. Haefely Original Investigations Pages: 415 - 422
Involvement of δ-opioid receptors in the effects of morphine on locomotor activity and the mesolimbic dopaminergic system in mice Minoru NaritaTsutomu SuzukiHiroshi Nagase Original Investigations Pages: 423 - 426
Effects of dopamine D1 and D2 receptor blockade on MK-801-induced hyperlocomotion in rats A. OuagazzalA. NieoullonM. Amalric Original Investigations Pages: 427 - 434
Attenuation of scopolamine-induced spatial memory deficits in the rat by cholinomimetic and non-cholinomimetic drugs using a novel task in the 12-arm radial maze Robert P. DennesJulie C. Barnes Original Investigations Pages: 435 - 441
Mnemogenic effects of injecting RA-octil, a CE-inhibitor derivate, systemically or into the basal forebrain P. GerhardtR. U. HasenöhrlJ. P. Huston Original Investigations Pages: 442 - 448
Physical dependence on nicotine gum: effect of duration of use Dorothy HatsukamiMarguerite HuberKelli Skoog Original Investigations Pages: 449 - 456
Reduction of morphine dependence and potentiation of analgesia by chronic co-administration of nifedipine Lucyna Antkiewicz-MichalukJerzy MichalukJerzy Vetulani Original Investigations Pages: 457 - 464
Contrasting effects of the competitive NMDA antagonist CPP and the non-competitive NMDA antagonist MK 801 on performance of an operant delayed matching to position task in rats B. J. ColeM. KlewerD. N. Stephens Original Investigations Pages: 465 - 471
Effects of smoking on thermal pain threshold in deprived and minimally-deprived habitual smokers Paul PauliHarald RauNiels Birbaumer Original Investigations Pages: 472 - 476
Immobilization stress-induced oral opioid self-administration and withdrawal in rats: role of conditioning factors and the effect of stress on “relapse” to opioid drugs Yavin Shaham Original Investigations Pages: 477 - 485
Investigation of the involvement of opioid receptors in the action of anticonvulsants Helen C. JacksonD. J. Nutt Original Investigations Pages: 486 - 490
Trial 2 in the elevated plus-maze: a different form of fear? Sandra E. FileHelio Zangrossi JrFrederico G. Graeff Original Investigations Pages: 491 - 494
Seizure threshold to lidocaine is decreased following repeated ECS (electroconvulsive shock) Jørn KraghJakob SeidelinTom G. Bolwig Original Investigations Pages: 495 - 498
Acute stress or corticosterone administration reduces responsiveness to nicotine: implictions for a mechanism of conditioned tolerance Anthony R. CaggiulaLeonard H. EpsteinRichard Stiller Original Investigations Pages: 499 - 507
Chronic treatments with cholinoceptor drugs influence spatial learning in rats F. A. AbdullaM. -R. CalaminiciJ. D. Sinden Rapid Communication Pages: 508 - 511
