1. Modulation of taste-induced drinking: The effects of concentration shifts and drinking interruptions

   • David L. Rabiner
   • J. W. Kling
   • Patricia A. Spraguer

   OriginalPaper Pages: 365 - 376

2. Anticipatory contrast as a measure of time horizons in the rat: Some methodological determinants

   • Gary A. Lucas
   • Donald J. Gawley
   • William Timberlake

   OriginalPaper Pages: 377 - 382

3. Learned flavor preferences based on calories are independent of initial hedonic value

   • Ronald Mehiel
   • Robert C. Bolles

   OriginalPaper Pages: 383 - 387

4. Foraging for covered and uncovered food on a radial maze

   • Tamara J. Ilersich
   • Dwight S. Mazmanian
   • William A. Roberts

   OriginalPaper Pages: 388 - 394

5. Overall and local contrast in multiple schedules: Effects of stimulus similarity and discrimination performance

   • Patricia M. Blough

   OriginalPaper Pages: 395 - 403

6. Heading in the rat: Determination by environmental shape

   • Joan Margules
   • C. R. Gallistel

   OriginalPaper Pages: 404 - 410

7. Numerical aspects of nonreinforcement: The same-phase nonreinforcement procedure

   • E. J. Capaldi
   • Daniel J. Miller
   • Suzan Alptekin

   OriginalPaper Pages: 411 - 416

8. On tonal pattern perception in monkeys (Cebus apella)

   • M. R. D’Amato
   • Michael Colombo

   OriginalPaper Pages: 417 - 424

9. Some further observations on serial enumeration and categorical flexibility

   • Richard A. Burns
   • Walter U. Gordon

   OriginalPaper Pages: 425 - 428

10. Spatial strategies of oriented travel inCallicebus moloch andSaimiri sciureus

    • Michael W. Andrews

    OriginalPaper Pages: 429 - 435

11. Concept learning by pigeons: Matching-to-sample with trial-unique video picture stimuli

    • Anthony A. Wright
    • Robert G. Cook
    • Juan D. Delius

    OriginalPaper Pages: 436 - 444

12. Mechanisms of inhibitory discriminative control

    • Charlotte Bonardi

    OriginalPaper Pages: 445 - 450

13. Interference and facilitation produced by noncontingent reinforcement in the appetitive situation

    • R. F. S. Job

    OriginalPaper Pages: 451 - 460

14. Cumulative proactive interference in animal memory

    • Wendy V. Edhouse
    • K. Geoffrey White

    OriginalPaper Pages: 461 - 467

15. Factors affecting conditional discrimination learning by pigeons: II. Physical and temporal characteristics of stimuli

    • David R. Thomas
    • Patrick J. Curran
    • Richard J. Russell

    OriginalPaper Pages: 468 - 476

16. Effects of repeated defeat by a dominant conspecific on subsequent pain sensitivity, open-field activity, and escape learning

    • Jon L. Williams
    • Dean M. Lierle

    OriginalPaper Pages: 477 - 485

17. Contribution of conditioned opioid analgesia to the shock-induced associative US-preexposure deficit

    • Louis D. Matzel
    • Steve C. Hallam
    • Ralph R. Miller

    OriginalPaper Pages: 486 - 492