Gravity and Solidity in Four Great Ape Species (Gorilla gorilla, Pongo pygmaeus, Pan troglodytes, Pan paniscus): Vertical and Horizontal Variations of the Table Task

Trix Cacchione*, Josep Call, Robert Zingg

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

21 Citations (Scopus)

Abstract

Three experiments modeled after infant studies were run on four great ape species (Gorilla gorilla, Pongo pygmaeus, Pan troglodytes, Pan paniscus) to investigate their reasoning about solidity and gravity constraints. The aims were: (a) to find out if great apes are subject to gravity biased search or display sensitivity for object solidity, (b) to check for species differences, and (c) to assess if a gravity hypothesis or more parsimonious explanations best account for failures observed. Results indicate that great apes, unlike monkeys, show no reliable gravity bias, that ape species slightly differ in terms of their performance, and that the errors made are best explained by a gravity account.

Original languageEnglish
Pages (from-to)168-180
Number of pages13
JournalJournal of Comparative Psychology
Volume123
Issue number2
DOIs
Publication statusPublished - May 2009

Keywords

  • invisible displacement
  • object solidity
  • gravity error
  • naive physics
  • TAMARINS SAGUINUS-OEDIPUS
  • NONHUMAN PRIMATE
  • OBJECT MOTION
  • KNOWLEDGE
  • EVENTS
  • SEARCH
  • EXPECTATIONS
  • FOOD
  • DISSOCIATION
  • DISPLACEMENT

Fingerprint

Dive into the research topics of 'Gravity and Solidity in Four Great Ape Species (Gorilla gorilla, Pongo pygmaeus, Pan troglodytes, Pan paniscus): Vertical and Horizontal Variations of the Table Task'. Together they form a unique fingerprint.

Cite this