Acquisition of auditory-visual intermodal matching-to-sample by a chimpanzee (Pan troglodytes)

Comparison with visual-visual intramodal matching

Kazuhide Hashiya, Shozo Kojima

Research output: Contribution to journalArticle

27 Citations (Scopus)

Abstract

A chimpanzee acquired an auditory-visual intermodal matching-to-sample (AVMTS) task, in which, following the presentation of a sample sound, the subject had to select from two alternatives a photograph that corresponded to the sample. The acquired AVMTS performance might shed light on chimpanzee intermodal cognition, which is one of the least understood aspects in chimpanzee cognition. The first aim of this paper was to describe the training process of the task. The second aim was to describe through a series of experiments the features of the chimpanzee AVMTS performance in comparison with results obtained in a visual intramodal matching task, in which a visual stimulus alone served as the sample. The results show that the acquisition of AVMTS was facilitated by the alternation of auditory presentation and audio-visual presentation (i.e., the sample sound together with a visual presentation of the object producing the particular sample sound). Once AVMTS performance was established for the limited number of stimulus sets, the subject showed rapid transfer of the performance to novel sets. However, the subject showed a steep decay of matching performance as a function of the delay interval between the sample and the choice alternative presentations when the sound alone, but not the visual stimulus alone, served as the sample. This might suggest a cognitive limitation for the chimpanzee in auditory-related tasks.

Original languageEnglish
Pages (from-to)231-239
Number of pages9
JournalAnimal Cognition
Volume4
Issue number3-4
DOIs
Publication statusPublished - Dec 1 2001
Externally publishedYes

Fingerprint

Pan troglodytes
visual cue
cognition
Cognition
sampling
photograph
comparison
sound
audiovisuals
experiment
photographs
deterioration

All Science Journal Classification (ASJC) codes

  • Ecology, Evolution, Behavior and Systematics
  • Experimental and Cognitive Psychology

Cite this

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