More than one cognition: A call for change in the field of comparative psychology
Reviewing 40 years of research, a new paper challenges hypotheses and
calls for a more biocentric understanding of cognitive evolution

Date:
July 14, 2020
Source:
Max Planck Institute for the Science of Human History
Summary:
Researchers argue that cognitive studies in comparative psychology
often wrongly take an anthropocentric approach, resulting in an
over-valuation of human-like abilities and the assumption that
cognitive skills cluster in animals as they do in humans. The
authors advocate for philosophical and procedural changes to the
discipline that would lead to a better understanding of animal
minds and the evolution of multiple forms of cognition.



FULL STORY ==========================================================================
What makes a species "smart" and how do strategies for processing
information evolve? What goes on in the minds of non-human animals and
which cognitive skills can we claim as hallmarks of our species? These are
some of the questions addressed by the field of comparative psychology,
but a recent review in the Journal of Intelligence joins a growing body
of literature that argues that studies of cognition are hampered by anthropocentrism and missing the bigger picture of cognitive evolution.


========================================================================== Based on 40 years of scientific literature and case studies of three
non-human animals, the current paper identifies two main problems
hindering research in comparative psychology.

First of which is the assumption that human cognition is the standard by
which animal cognition should be measured. Human cognition is generally believed to be the most flexible, adaptable form of intelligence, with
the abilities of other species evaluated in accordance to the extent
they match human cognitive skills. Such an approach tends to overrate human-like cognitive skills and may overlook cognitive skills that play
only a small part, or no part at all, in human psychology.

"This approach, whether implicit or explicit, can only produce a
restrictive, anthropocentric view of cognitive evolution that ignores
the incredible diversity of cognitive skills present in the world,"
says Juliane Bra"uer, leader of the DogLab at the Max Planck Institute
for the Science of Human History. Instead, research into the evolution
of cognition should take a biocentric approach, considering each species investigated in its own right.

"Applying Darwinian thinking to comparative psychology and removing the 'benchmark' of human intelligence allows us to reveal the evolutionary, developmental and environmental conditions that foster the growth of
certain unique abilities and the convergence of skills shared among a
species," adds Natalie Uomini, the main co-author of the paper.

To further address this anthropocentric view, the authors also argue for increased focus on cognitive abilities in which animals outperform humans
and discuss cases in which various species demonstrate better-than-human abilities in delayed gratification, navigation, communication, pattern recognition and statistical reasoning.

The second problem addressed is the assumption that cognition evolves as a package of skills similar to those apparent in humans, skills which taken together constitute "one cognition." The authors survey various major hypotheses from psychology, including Social Intelligence Hypothesis, Domestication Hypothesis and Cooperative Breeding Hypothesis, and argue
that while each has evidence to support its claims, none account for
the whole picture of cognition.

Instead of a cluster of linked skills originating from a single
evolutionary pressure, the paper provides a framework for understanding cognitive arrays as the result of species-typical adaptations to the
entire ecological and social environment.

"If we want to account for the fascinating variety of animal minds,
comparative scientists should focus on skills that are ecologically
relevant for a given species," say Bra"uer and Uomini.

The paper discusses three distantly related species -- chimpanzees, dogs
and New Caledonian crows -- that are highly sophisticated in one cognitive domain yet perform poorly in others generally believed to be linked.

The paper also lays out recommendations to make future experiments in comparative psychology ecologically relevant to the target species,
including differentiating tasks for each species and accounting for
diverse senses of perception, such as smell in the case of dogs.

In Germany, where the authors of the paper are based, comparative
psychology is a relatively unknown field. The authors hope to stimulate interest and growth in the subject with future research dedicated to the
study of each species' cognitive skills for their own sake, leading to
a more relevant and holistic perspective on animals' cognitive skills
and the recognition that there is not only "one cognition."

========================================================================== Story Source: Materials provided by Max_Planck_Institute_for_the_Science_of_Human_History.

Note: Content may be edited for style and length.


========================================================================== Journal Reference:
1. Juliane Bra"uer, Daniel Hanus, Simone Pika, Russell Gray, Natalie
Uomini.

Old and New Approaches to Animal Cognition: There Is Not "One
Cognition".

Journal of Intelligence, 2020; 8 (3): 28 DOI: 10.3390/
jintelligence8030028 ==========================================================================

Link to news story: https://www.sciencedaily.com/releases/2020/07/200714101224.htm

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