1. The chimpanzee mind: in search of the evolutionary roots of the human mind

   • Tetsuro Matsuzawa

   Review 29 August 2009 Pages: 1 - 9

   

2. Human gestures trigger different attentional shifts in chimpanzees (Pan troglodytes) and humans (Homo sapiens)

   • Masaki Tomonaga
   • Tomoko Imura

   Original Paper 11 August 2009 Pages: 11 - 18

   

3. Token transfer between mother and offspring chimpanzees (Pan troglodytes): mother–offspring interaction in a competitive situation

   • Masayuki Tanaka
   • Shinya Yamamoto

   Original Paper 14 August 2009 Pages: 19 - 26

   

4. Selfish strategies develop in social problem situations in chimpanzee (Pan troglodytes) mother–infant pairs

   • Shinya Yamamoto
   • Masayuki Tanaka

   Original Paper 29 August 2009 Pages: 27 - 36

   

5. Social influences on ant-dipping acquisition in the wild chimpanzees (Pan troglodytes verus) of Bossou, Guinea, West Africa

   • Tatyana Humle
   • Charles T. Snowdon
   • Tetsuro Matsuzawa

   Original Paper 14 August 2009 Pages: 37 - 48

   

6. Stacking of irregularly shaped blocks in chimpanzees (Pan troglodytes) and young humans (Homo sapiens)

   • Misato Hayashi
   • Hideko Takeshita

   Original Paper 12 August 2009 Pages: 49 - 58

   

7. Acquisition and memory of sequence order in young and adult chimpanzees (Pan troglodytes)

   • Sana Inoue
   • Tetsuro Matsuzawa

   Original Paper 12 August 2009 Pages: 59 - 69

   

8. Auditory–visual intermodal matching based on individual recognition in a chimpanzee (Pan troglodytes)

   • Laura Martinez
   • Tetsuro Matsuzawa

   Original Paper 22 August 2009 Pages: 71 - 85

   

9. How to crack nuts: acquisition process in captive chimpanzees (Pan troglodytes) observing a model

   • Satoshi Hirata
   • Naruki Morimura
   • Chiharu Houki

   Original Paper 29 August 2009 Pages: 87 - 101

   

10. Tool-composite reuse in wild chimpanzees (Pan troglodytes): archaeologically invisible steps in the technological evolution of early hominins?

    • Susana Carvalho
    • Dora Biro
    • Tetsuro Matsuzawa

    Original Paper 13 August 2009 Pages: 103 - 114

    

11. Leaf-tool use for drinking water by wild chimpanzees (Pan troglodytes): acquisition patterns and handedness

    • Cláudia Sousa
    • Dora Biro
    • Tetsuro Matsuzawa

    Original Paper 21 August 2009 Pages: 115 - 125