Can chimpanzees (Pan troglodytes) discriminate appearance from reality?

@article{Krachun2009CanC,
  title={Can chimpanzees (Pan troglodytes) discriminate appearance from reality?},
  author={C. Krachun and J. Call and M. Tomasello},
  journal={Cognition},
  year={2009},
  volume={112},
  pages={435-450}
}
  • C. Krachun, J. Call, M. Tomasello
  • Published 2009
  • Psychology, Medicine
  • Cognition
  • A milestone in human development is coming to recognize that how something looks is not necessarily how it is. We tested appearance-reality understanding in chimpanzees (Pan troglodytes) with a task requiring them to choose between a small grape and a big grape. The apparent relative size of the grapes was reversed using magnifying and minimizing lenses so that the truly bigger grape appeared to be the smaller one. Our Lens test involved a basic component adapted from standard procedures for… CONTINUE READING
    33 Citations

    Figures, Tables, and Topics from this paper

    Intuitive optics: what great apes infer from mirrors and shadows
    • 1
    • PDF
    A New Change-of-Contents False Belief Test: Children and Chimpanzees Compared
    • 35
    • PDF
    What Apes Know about Seeing
    • 1
    • PDF
    I know you see it wrong! Children use others' false perceptions to predict their behaviors.
    • 5

    References

    SHOWING 1-10 OF 80 REFERENCES
    Chimpanzees (Pan troglodytes) know what can be seen from where
    • 35
    • PDF
    Chimpanzees know what conspecifics do and do not see
    • 722
    • PDF
    "Conservations" with a chimpanzee.
    • S. Muncer
    • Psychology, Medicine
    • Developmental psychobiology
    • 1983
    • 25
    A competitive nonverbal false belief task for children and apes.
    • 93
    • PDF
    Do apes and children know what they have seen?
    • 218
    • PDF
    Responses to quantity: perceptual versus cognitive mechanisms in chimpanzees (Pan troglodytes).
    • 230
    • PDF
    Do chimpanzees know what conspecifics know?
    • 748
    • PDF
    Chimpanzees really know what others can see in a competitive situation
    • 126
    • PDF
    Size matters: impact of item size and quantity on array choice by chimpanzees (Pan troglodytes).
    • 110
    • PDF