Number selective sensorimotor neurons in the crow translate perceived numerosity into number of actions

Maximilian E. Kirschhock and Andreas Nieder ()
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Maximilian E. Kirschhock: University of Tübingen
Andreas Nieder: University of Tübingen

Nature Communications, 2022, vol. 13, issue 1, 1-14

Abstract: Abstract Translating a perceived number into a matching number of self-generated actions is a hallmark of numerical reasoning in humans and animals alike. To explore this sensorimotor transformation, we trained crows to judge numerical values in displays and to flexibly plan and perform a matching number of pecks. We report number selective sensorimotor neurons in the crow telencephalon that signaled the impending number of self-generated actions. Neuronal population activity during the sensorimotor transformation period predicted whether the crows mistakenly planned fewer or more pecks than instructed. During sensorimotor transformation, both a static neuronal code characterized by persistently number-selective neurons and a dynamic code originating from neurons carrying rapidly changing numerical information emerged. The findings indicate there are distinct functions of abstract neuronal codes supporting the sensorimotor number system.

Date: 2022
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DOI: 10.1038/s41467-022-34457-5

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