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One-to-one correspondence without language.

Sarah E Koopman¹, Alyssa M Arre², Steven T Piantadosi^1,3

¹Brain and Cognitive Sciences, University of Rochester, 500 Wilson Boulevard, Rochester, NY, USA.

Royal Society Open Science

|December 12, 2019

Summary

This summary is machine-generated.

Non-human primates demonstrate a foundational understanding of one-to-one correspondence, a key principle in counting. This suggests that the basis for understanding number equality may predate language development.

Keywords:

animal cognition cognitive development mathematical cognition non-human primate numerical equivalence

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Area of Science:

Cognitive Science
Comparative Psychology
Developmental Psychology

Background:

One-to-one correspondence is crucial for understanding exact quantities and counting.
Its role in early childhood development is complex and potentially influenced by language acquisition.

Purpose of the Study:

To investigate whether non-human primates possess a pre-linguistic understanding of one-to-one correspondence.
To explore the origins of numerical cognition and its foundational principles.

Main Methods:

Baboons were presented with a quantity discrimination task involving food caches.
Experimental conditions manipulated the visual cues highlighting one-to-one correspondence between items.

Main Results:

Baboons performed significantly better when one-to-one correspondence cues were evident.
Performance indicated an ability to discern quantity based on matching principles.

Conclusions:

Non-human primates exhibit a partial grasp of one-to-one correspondence, independent of language.
This finding supports the hypothesis that fundamental numerical intuitions have pre-linguistic origins.