1. For a rise of comparative cognitive science

   • Tetsuro Matsuzawa
   • Masaki Tomonaga

   PREFACE 01 November 2001 Pages: 133 - 135

2. Dynamic object perception by pigeons: discrimination of action in video presentations

   • Robert G. Cook
   • Robert Shaw
   • Aaron P. Blaisdell

   Original Article 28 August 2001 Pages: 137 - 146

3. Van Gogh, Chagall and pigeons: picture discrimination in pigeons and humans

   • Shigeru Watanabe

   Original Article 19 October 2001 Pages: 147 - 151

4. Do pigeons (Columba livia) perceive object unity?

   • Tomokazu Ushitani
   • Kazuo Fujita
   • Rie Yamanaka

   Original Article 09 June 2001 Pages: 153 - 161

5. Effects of number of items on the baboon’s discrimination of same from different visual displays

   • Edward A. Wasserman
   • Michael E. Young
   • Joël Fagot

   Original Article 12 July 2001 Pages: 163 - 170

6. Effects of element separation on perceptual grouping by humans (Homo sapiens) and chimpanzees (Pan troglodytes): perception of Kanizsa illusory figures

   • Joël Fagot
   • Masaki Tomonaga

   Original Article 11 October 2001 Pages: 171 - 177

7. Acquisition of navigation by chimpanzees (Pan troglodytes) in an automated fingermaze task

   • Iver H. Iversen
   • Tetsuro Matsuzawa

   Original Article 19 September 2001 Pages: 179 - 192

8. Use of numerical symbols by the chimpanzee (Pan troglodytes): Cardinals, ordinals, and the introduction of zero

   • Dora Biro
   • Tetsuro Matsuzawa

   Original Article 29 June 2001 Pages: 193 - 199

9. Discrimination and categorization of photographs of natural objects by chimpanzees (Pan troglodytes)

   • Masayuki Tanaka

   Original Article 05 October 2001 Pages: 201 - 211

10. The use of tokens as rewards and tools by chimpanzees (Pan troglodytes)

    • Cláudia Sousa
    • Tetsuro Matsuzawa

    Original Article 05 October 2001 Pages: 213 - 221

11. Cognitive and physiological markers of emotional awareness in chimpanzees (Pan troglodytes)

    • Lisa A. Parr

    Original Article 31 May 2001 Pages: 223 - 229

12. Acquisition of auditory–visual intermodal matching-to-sample by a chimpanzee (Pan troglodytes): comparison with visual—visual intramodal matching

    • Kazuhide Hashiya
    • Shozo Kojima

    Original Article 01 November 2001 Pages: 231 - 239

13. Left-side dominance for song discrimination in Bengalese finches (Lonchura striata var. domestica)

    • Kazuo Okanoya
    • Maki Ikebuchi
    • Shigeru Watanabe

    Original Article 19 October 2001 Pages: 241 - 245

14. Social processes in communication and cognition in callitrichid monkeys: a review

    • Charles T. Snowdon

    Review 27 July 2001 Pages: 247 - 257

15. Reconciliation and variation in post-conflict stress in Japanese macaques (Macaca fuscata fuscata): testing the integrated hypothesis

    • Nobuyuki Kutsukake
    • Duncan L. Castles

    Original Article 01 November 2001 Pages: 259 - 268

16. Can competitive paradigms increase the validity of experiments on primate social cognition?

    • Brian Hare

    Review 02 June 2001 Pages: 269 - 280

17. Attention to repeated events in human infants (Homo sapiens): effects of joint visual attention versus stimulus change

    • Shoji Itakura

    Original Article 02 June 2001 Pages: 281 - 284

18. Tactics to obtain a hidden food item in chimpanzee pairs (Pan troglodytes)

    • Satoshi Hirata
    • Tetsuro Matsuzawa

    Original Article 17 July 2001 Pages: 285 - 295

19. Social facilitation of eating novel food in tufted capuchin monkeys (Cebus apella): input provided by group members and responses affected in the observer

    • Elsa Addessi
    • Elisabetta Visalberghi

    Original Article 19 October 2001 Pages: 297 - 303

20. Testing for social learning in the "artificial fruit" processing of wildborn orangutans (Pongo pygmaeus), Tanjung Puting, Indonesia

    • D. Custance
    • A. Whiten
    • B. Galdikas

    Original Article 19 October 2001 Pages: 305 - 313

21. Do apes and monkeys rely upon conceptual reversibility?

    • Julie Johnson-Pynn
    • Dorothy M. Fragaszy

    Original Article 26 October 2001 Pages: 315 - 324

22. Leaf-folding behavior for drinking water by wild chimpanzees (Pan troglodytes verus) at Bossou, Guinea

    • Rikako Tonooka

    Original Article 16 October 2001 Pages: 325 - 334

23. Development of combinatory manipulation in chimpanzee infants (Pan troglodytes)

    • Hideko Takeshita

    Original Article 11 July 2001 Pages: 335 - 345

24. Manual dexterity in the gorilla: bimanual and digit role differentiation in a natural task

    • Richard W. Byrne
    • Nadia Corp
    • Jennifer M. Byrne

    Original Article 31 May 2001 Pages: 347 - 361