1. Gradual acquisition of visual discrimination tasks in a social group of rhesus monkeys (Macaca mulatta)

   • Christine M. Drea
   • Kim Wallen

   OriginalPaper Pages: 1 - 8

2. Stimulus conditions influencing the development of tolerance to repeated cold exposure in rats

   • Steven C. Kissinger
   • David C. Riccio

   OriginalPaper Pages: 9 - 16

3. Induction of odor preference in a specialist insect parasitoid

   • Laure Kaiser
   • Ruurd De Jong

   OriginalPaper Pages: 17 - 21

4. Immediate shock, passive avoidance, and potentiated startle: Implications for the unconditioned response to shock

   • M. J. Kiernan
   • R. F. Westbrook
   • J. Cranney

   OriginalPaper Pages: 22 - 30

5. Outcome-selective effects of intertrial reinforcement in a Pavlovian appetitive conditioning paradigm with rats

   • Andrew R. Delamater

   OriginalPaper Pages: 31 - 39

6. Memories of reward events and expectancies of reward events may work in tandem

   • E. J. Capaldi
   • Kimberly M. Birmingham
   • Suzan Alptekin

   OriginalPaper Pages: 40 - 48

7. The psychophysics of remembered duration

   • J. Gregor Fetterman

   OriginalPaper Pages: 49 - 62

8. Spatial memory in rufous hummingbirds (Selasphorus rufus): A field test

   • S. D. Healy
   • T. A. Hurly

   OriginalPaper Pages: 63 - 68

9. More evidence of robust spatial associative memory in the pigeon,Columba livia

   • Donald M. Wilkie
   • Robert J. Willson

   OriginalPaper Pages: 69 - 75

10. Transitive inference in pigeons: Simplified procedures and a test of value transfer theory

    • Janice N. Steirn
    • Janice E. Weaver
    • Thomas R. Zentall

    OriginalPaper Pages: 76 - 82

11. Relational learning in pigeons: The role of perceptual processes in between-key recognition of complex stimuli

    • Euan M. Macphail
    • Mark Good
    • Alan Willis

    OriginalPaper Pages: 83 - 92

12. Development of preference and spontaneous recovery in choice behavior with concurrent variable-interval schedules

    • James E. Mazur

    OriginalPaper Pages: 93 - 103

13. Stimulus devaluation and extinction of chain schedule performance

    • Ben A. Williams
    • Bertram O. Ploog
    • Matthew C. Bell

    OriginalPaper Pages: 104 - 114

14. Forthcoming articles

    Announcement Pages: 115 - 117

15. Notices and announcements

    Announcement Pages: 122 - 122