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Published online by Cambridge University Press: 03 November 2025
In canvassing the animal kingdom for cognitive capacity by a multitrait approach, much hinges on how traits are operationally defined. In my commentary, I call attention to problematic aspects of the perspective on learning, a central component of cognition, adopted by Coombs and Trestman in their phylogenetic survey of cognitive capacity.
Target article
A multi-trait embodied framework for the evolution of brains and cognition across animal phyla
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Author response
Multi-trait convergent trends in the evolution of brains and cognition