Symbolic representation in animals: Emergent stimulus relations in conditional discrimination learning Thomas R. Zentall OriginalPaper Pages: 363 - 377
The differential outcomes effect in pigeons is not reduced by eliminating response-outcome associations: Support for a two-process account Lou M. SherburneThomas R. Zentall OriginalPaper Pages: 378 - 387
How reinforcement context affects temporal production and categorization Jonathan J. BeamPeter R. KilleenJ. Gregor Fetterman OriginalPaper Pages: 388 - 396
Relationship of negative contrast to animal models of fear and anxiety Charles F. FlahertyAnna GreenwoodMary Leszczuk OriginalPaper Pages: 397 - 407
Effects of response effort on self-control in rats John J. ChelonisA. W. LOGUEJianbin Mao OriginalPaper Pages: 408 - 415
Context excitation and modulation of conditioned sexual behavior Chana K. Akins OriginalPaper Pages: 416 - 426
Observational conditioning of sexual behavior in the domesticated quail Falih KöksalMichael Domjan OriginalPaper Pages: 427 - 432
Social influence on avoidance of dangerous stimuli by rats David J. WhiteBennett G. Galef OriginalPaper Pages: 433 - 438
Visual environment and delay affect cache retrieval accuracy in a food-storing rodent Cynthia L. BarkleyLucia F. Jacobs OriginalPaper Pages: 439 - 447
Familiarity and relatedness: Effects on social learning about foods by Norway rats and Mongolian gerbils Bennett G. GalefBrigitte RudolfPaola Valsecchi OriginalPaper Pages: 448 - 454
Distances and directions are computed separately by honeybees in landmark-based search Ken Cheng OriginalPaper Pages: 455 - 468
Control of performance by short-term memory in honeybees P. A. CouvillonN. M. ArincorayanM. E. Bitterman OriginalPaper Pages: 469 - 474
Proactive interference, recency, and associative strength: Comparisons of black-capped chickadees and dark-eyed juncos Robert R. HamptonSara J. ShettleworthRichard P. westwood OriginalPaper Pages: 475 - 485
