Control of pigeons’ keypecking by the left-right arrangement of stimuli Donald M. WilkieMarcia L. SpetchLeslie G. Leader OriginalPaper Pages: 2 - 8
Auditory delayed discriminations by the dolphin: Nonequivalence with delayed-matching performance Roger K. R. ThompsonLouis M. Herman OriginalPaper Pages: 9 - 15
Facilitating stimulus effects of reward and punishment in discrimination learning H. FowlerM. HochhauserG. J. Wischner OriginalPaper Pages: 16 - 20
Effects of stimulus change in prepunishment alley segments on self-punitive behavior Stephen T. PerconteBetsey A. BensonDavid L. Butler OriginalPaper Pages: 21 - 27
Influence of duration and number of inescapable shocks on intrashock activity and subsequent interference effects Charles R. CrowellD. Chris Anderson OriginalPaper Pages: 28 - 37
Electroconvulsive shock and learned helplessness in rats C. W. BrettThomas A. BurlingW. B. Pavlik OriginalPaper Pages: 38 - 44
Acquisition and retention of dark avoidance by the toad,Xenopus laevis (Daudin) Ilan KarplusDaniel AlgomDavid Samuel OriginalPaper Pages: 45 - 49
Activity differences of individually and group-housed male and female rats J. C. Dalrymple-AlfordD. Benton OriginalPaper Pages: 50 - 55
The effects of separate presentations of the US on conditioned suppression A. RandichR. A. Rescorla OriginalPaper Pages: 56 - 64
One-trial backward excitatory fear conditioning in rats: Acquisition, retention, extinction, and spontaneous recovery David ShurtleffJohn J. B. Ayres OriginalPaper Pages: 65 - 74
Measurement of current flow through the rat under signaled and unsignaled grid-shock conditions Hiroshi ImadaTetsuro MinoYuji Ohki OriginalPaper Pages: 75 - 79
Classically conditioned tail flexion in rats: CR-contingent modification of US intensity as a test of the preparatory response hypothesis Ralph R. MillerCarolyn GrecoMichael Vigorito OriginalPaper Pages: 80 - 88
Neophobias and conditioned taste aversions in rats following exposure to novel flavors Ralph R. MillerArnold D. Holzman OriginalPaper Pages: 89 - 100
Strain-dependent sexual dimorphism in the extinction of conditioned taste aversion in mice Donald K. IngramTimothy P. Corfman OriginalPaper Pages: 101 - 107
A comparison of resistance to satiation and resistance to extinction Elizabeth D. CapaldiDavid E. MyersT. L. Davidson OriginalPaper Pages: 108 - 114
Multiple-schedule interactions and discrimination David W. RoweJohn C. Malone OriginalPaper Pages: 115 - 126
Comparative performance in discrimination learning tasks in two New World primates (Saimiri sciureus andCallicebus moloch) Dorothy Munkenbeck Fragaszy OriginalPaper Pages: 127 - 134
Mouse (Mus) burrows: Effects of age, strain, and domestication Nelson AdamsRobert Boice OriginalPaper Pages: 140 - 144
Tonic immobility in Japanese quail can reduce the probability of sustained attack by cats R. K. R. ThompsonR. W. FoltinC. E. Lowitz OriginalPaper Pages: 145 - 149
Comment on Brain, Benton, Howell, and Jones: “Resident rats’ aggression toward intruders” D. H. Thor Notes and Comment Pages: 150 - 151