Numerical cognition in bees and other insects

The ability to perceive the number of objects has been known to exist in vertebrates for a few decades, but recent behavioral investigations have demonstrated that several invertebrate species can also be placed on the continuum of numerical abilities shared with birds, mammals and reptiles. In this...

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Main Authors: Mario ePahl, Aung eSi, Shaowu eZhang
Format: Article
Language:English
Published: Frontiers Media S.A. 2013-04-01
Series:Frontiers in Psychology
Subjects:
Online Access:http://journal.frontiersin.org/Journal/10.3389/fpsyg.2013.00162/full
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author Mario ePahl
Aung eSi
Shaowu eZhang
author_facet Mario ePahl
Aung eSi
Shaowu eZhang
author_sort Mario ePahl
collection DOAJ
description The ability to perceive the number of objects has been known to exist in vertebrates for a few decades, but recent behavioral investigations have demonstrated that several invertebrate species can also be placed on the continuum of numerical abilities shared with birds, mammals and reptiles. In this review article, we present the main experimental studies that have examined the ability of insects to use numerical information. These studies have made use of a wide range of methodologies, and for this reason it is striking that a common finding is the inability of the tested animals to discriminate numerical quantities greater than four. Furthermore, the finding that bees can not only transfer learnt numerical discrimination to novel objects, but also to novel numerosities, is strongly suggestive of a true, albeit limited, ability to count. Later in the review, we evaluate the available evidence to narrow down the possible mechanisms that the animals might be using to solve the number-based experimental tasks presented to them. We conclude by suggesting avenues of further research that take into account variables such as the animals’ age and experience, as well as complementary cognitive systems such as attention and the time sense.
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spelling doaj.art-3346982bc039457299b0d654764767672022-12-22T01:22:39ZengFrontiers Media S.A.Frontiers in Psychology1664-10782013-04-01410.3389/fpsyg.2013.0016233732Numerical cognition in bees and other insectsMario ePahl0Aung eSi1Shaowu eZhang2Julius-Maximilians-Universitaet, WuerzburgCollege of Asia and the Pacific, The Australian National UniversityThe Australian National UniversityThe ability to perceive the number of objects has been known to exist in vertebrates for a few decades, but recent behavioral investigations have demonstrated that several invertebrate species can also be placed on the continuum of numerical abilities shared with birds, mammals and reptiles. In this review article, we present the main experimental studies that have examined the ability of insects to use numerical information. These studies have made use of a wide range of methodologies, and for this reason it is striking that a common finding is the inability of the tested animals to discriminate numerical quantities greater than four. Furthermore, the finding that bees can not only transfer learnt numerical discrimination to novel objects, but also to novel numerosities, is strongly suggestive of a true, albeit limited, ability to count. Later in the review, we evaluate the available evidence to narrow down the possible mechanisms that the animals might be using to solve the number-based experimental tasks presented to them. We conclude by suggesting avenues of further research that take into account variables such as the animals’ age and experience, as well as complementary cognitive systems such as attention and the time sense.http://journal.frontiersin.org/Journal/10.3389/fpsyg.2013.00162/fullBeesInsectsanimal cognitionlearning and memoryNumerical cognitionCounting
spellingShingle Mario ePahl
Aung eSi
Shaowu eZhang
Numerical cognition in bees and other insects
Frontiers in Psychology
Bees
Insects
animal cognition
learning and memory
Numerical cognition
Counting
title Numerical cognition in bees and other insects
title_full Numerical cognition in bees and other insects
title_fullStr Numerical cognition in bees and other insects
title_full_unstemmed Numerical cognition in bees and other insects
title_short Numerical cognition in bees and other insects
title_sort numerical cognition in bees and other insects
topic Bees
Insects
animal cognition
learning and memory
Numerical cognition
Counting
url http://journal.frontiersin.org/Journal/10.3389/fpsyg.2013.00162/full
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AT shaowuezhang numericalcognitioninbeesandotherinsects