Creating number semantics through finger movement perception |
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| Authors: | Arnaud Badets Mauro Pesenti |
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| Affiliation: | 1. Centre de Recherches sur la Cognition et l’Apprentissage, CNRS UMR 6234, France;2. Unité de Neurosciences Cognitives, Université Catholique de Louvain, Belgium;1. Donders Institute for Brain, Cognition and Behaviour, Radboud University Nijmegen, P.O. Box 9010, 6500 GL Nijmegen, The Netherlands;2. Pedagogical Sciences, Education Science, Radboud University Nijmegen, Postbus 9104, 6500 HE Nijmegen, The Netherlands;1. Center for Research in Cognition and Neurosciences (CRCN), Université Libre de Bruxelles, Av. F. Roosevelt 50, CP 191, 1050, Brussels, Belgium;2. Luxembourg Centre for Educational Testing (LUCET), University of Luxembourg, 11, Porte des Sciences, L-4366, Esch/Alzette, Luxembourg;3. Université Clermont Auvergne & CNRS, 34 Av. Carnot, 63037, Clermont-Ferrand, France;1. School of Psychology, University of Sussex, Brighton BN1 9QH, UK;2. Sackler Centre for Consciousness Science, University of Sussex, UK;1. The Key Lab of Brain Functional Genomics, MOE & STCSM, Institute of Cognitive Neuroscience, School of Psychology and Cognitive Science, East China Normal University, Shanghai, China;2. MIND Research Institute, Irvine, CA, USA;3. Department of Neurosurgery, Johns Hopkins University, Baltimore, MD, USA;4. NYU-ECNU Institute of Brain and Cognitive Science, NYU Shanghai, Shanghai, China;1. Dipartimento di Psicologia 39, Università degli Studi di Roma “La Sapienza”, Rome, Italy;2. Fondazione Santa Lucia IRCCS, Rome, Italy;3. Natural and Artificial Cognition Laboratory, Università degli Studi di Napoli “Federico II”, Italy;4. Departimento di Neuroscienze e Neuroriabilitazione, Ospedale Bambino Gesu’ IRCCS, Rome, Italy |
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| Abstract: | Communication, language and conceptual knowledge related to concrete objects may rely on the sensory–motor systems from which they emerge. How abstract concepts can emerge from these systems is however still unknown. Here we report a functional interaction between a specific meaningful finger movement, such as a finger grip closing, and a concept as abstract as numerical magnitude. Participants were presented with Arabic digits to recall before or after they perceived a biological or non-biological hand movement. The results show that perceiving a grip closing slows down the processing of large magnitude numbers. Importantly, we show that this motor-to-semantic interaction differs from the reverse semantic-to-motor interaction, and that it does not result from a general movement amplitude processing as it is only observed for biological hand movements. These results demonstrate the functional link between number meaning and goal-directed finger movements, and show how abstract concept semantics can emerge from the sensory–motor circuits of the brain. |
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