Grabbing subitizing with both hands: bimanual number processing
Identifieur interne : 001403 ( Ncbi/Merge ); précédent : 001402; suivant : 001404Grabbing subitizing with both hands: bimanual number processing
Auteurs : Myrthe A. Plaisier ; Wouter M. Bergmann Tiest ; Astrid M. L. KappersSource :
- Experimental Brain Research. Experimentelle Hirnforschung. Experimentation Cerebrale [ 0014-4819 ] ; 2010.
English descriptors
- KwdEn :
- MESH :
Abstract
Visual judgment of small numerosities (<4) is generally assumed to be done through subitizing, which is a faster process than counting. Subitizing has also been shown to occur in haptic judgment of the number of spheres in the hand. Furthermore, interactions have been shown to exist between visually perceived numbers and hand motor action. In this study, we compare enumeration of a set of spheres presented to one hand (unimanual) and enumeration of the same total number of spheres presented divided over the two hands (bimanual). Our results show that, like in vision, a combination of subitizing and counting is used to process numbers in active touch. This shows that numbers are processed in a modality-independent way. This suggests that there are not only interactions between perception of numbers and hand motor action, but rather that number representation is modality-independent.
Url:
DOI: 10.1007/s00221-009-2146-1
PubMed: 20047090
PubMed Central: 2849748
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Grabbing subitizing with both hands: bimanual number processing</title><author><name sortKey="Plaisier, Myrthe A" sort="Plaisier, Myrthe A" uniqKey="Plaisier M" first="Myrthe A." last="Plaisier">Myrthe A. Plaisier</name><affiliation><nlm:aff id="Aff1">Helmholtz Institute, Universiteit Utrecht, Padualaan 8, Utrecht, 3584 CH The Netherlands</nlm:aff><wicri:noCountry code="subfield">3584 CH The Netherlands</wicri:noCountry></affiliation></author><author><name sortKey="Tiest, Wouter M Bergmann" sort="Tiest, Wouter M Bergmann" uniqKey="Tiest W" first="Wouter M. Bergmann" last="Tiest">Wouter M. Bergmann Tiest</name><affiliation><nlm:aff id="Aff1">Helmholtz Institute, Universiteit Utrecht, Padualaan 8, Utrecht, 3584 CH The Netherlands</nlm:aff><wicri:noCountry code="subfield">3584 CH The Netherlands</wicri:noCountry></affiliation></author><author><name sortKey="Kappers, Astrid M L" sort="Kappers, Astrid M L" uniqKey="Kappers A" first="Astrid M. L." last="Kappers">Astrid M. L. Kappers</name><affiliation><nlm:aff id="Aff1">Helmholtz Institute, Universiteit Utrecht, Padualaan 8, Utrecht, 3584 CH The Netherlands</nlm:aff><wicri:noCountry code="subfield">3584 CH The Netherlands</wicri:noCountry></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">PMC</idno><idno type="pmid">20047090</idno><idno type="pmc">2849748</idno><idno type="url">http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2849748</idno><idno type="RBID">PMC:2849748</idno><idno type="doi">10.1007/s00221-009-2146-1</idno><date when="2010">2010</date><idno type="wicri:Area/Pmc/Corpus">000799</idno><idno type="wicri:Area/Pmc/Curation">000799</idno><idno type="wicri:Area/Pmc/Checkpoint">001E77</idno><idno type="wicri:source">PubMed</idno><idno type="wicri:Area/PubMed/Corpus">001154</idno><idno type="wicri:Area/PubMed/Curation">001154</idno><idno type="wicri:Area/PubMed/Checkpoint">000F47</idno><idno type="wicri:Area/Ncbi/Merge">001403</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a" type="main">Grabbing subitizing with both hands: bimanual number processing</title><author><name sortKey="Plaisier, Myrthe A" sort="Plaisier, Myrthe A" uniqKey="Plaisier M" first="Myrthe A." last="Plaisier">Myrthe A. Plaisier</name><affiliation><nlm:aff id="Aff1">Helmholtz Institute, Universiteit Utrecht, Padualaan 8, Utrecht, 3584 CH The Netherlands</nlm:aff><wicri:noCountry code="subfield">3584 CH The Netherlands</wicri:noCountry></affiliation></author><author><name sortKey="Tiest, Wouter M Bergmann" sort="Tiest, Wouter M Bergmann" uniqKey="Tiest W" first="Wouter M. Bergmann" last="Tiest">Wouter M. Bergmann Tiest</name><affiliation><nlm:aff id="Aff1">Helmholtz Institute, Universiteit Utrecht, Padualaan 8, Utrecht, 3584 CH The Netherlands</nlm:aff><wicri:noCountry code="subfield">3584 CH The Netherlands</wicri:noCountry></affiliation></author><author><name sortKey="Kappers, Astrid M L" sort="Kappers, Astrid M L" uniqKey="Kappers A" first="Astrid M. L." last="Kappers">Astrid M. L. Kappers</name><affiliation><nlm:aff id="Aff1">Helmholtz Institute, Universiteit Utrecht, Padualaan 8, Utrecht, 3584 CH The Netherlands</nlm:aff><wicri:noCountry code="subfield">3584 CH The Netherlands</wicri:noCountry></affiliation></author></analytic><series><title level="j">Experimental Brain Research. Experimentelle Hirnforschung. Experimentation Cerebrale</title><idno type="ISSN">0014-4819</idno><idno type="eISSN">1432-1106</idno><imprint><date when="2010">2010</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Analysis of Variance</term><term>Functional Laterality</term><term>Hand</term><term>Humans</term><term>Mathematical Concepts</term><term>Motor Activity</term><term>Reaction Time</term><term>Touch Perception</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Analysis of Variance</term><term>Functional Laterality</term><term>Hand</term><term>Humans</term><term>Mathematical Concepts</term><term>Motor Activity</term><term>Reaction Time</term><term>Touch Perception</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><p>Visual judgment of small numerosities (<4) is generally assumed to be done through subitizing, which is a faster process than counting. Subitizing has also been shown to occur in haptic judgment of the number of spheres in the hand. Furthermore, interactions have been shown to exist between visually perceived numbers and hand motor action. In this study, we compare enumeration of a set of spheres presented to one hand (unimanual) and enumeration of the same total number of spheres presented divided over the two hands (bimanual). Our results show that, like in vision, a combination of subitizing and counting is used to process numbers in active touch. This shows that numbers are processed in a modality-independent way. This suggests that there are not only interactions between perception of numbers and hand motor action, but rather that number representation is modality-independent.</p></div></front><back><div1 type="bibliography"><listBibl><biblStruct><analytic><author><name sortKey="Andres, M" uniqKey="Andres M">M Andres</name></author><author><name sortKey="Davare, M" uniqKey="Davare M">M Davare</name></author><author><name sortKey="Pesenti, M" uniqKey="Pesenti M">M Pesenti</name></author><author><name sortKey="Olivier, E" uniqKey="Olivier E">E Olivier</name></author><author><name sortKey="Seron, X" uniqKey="Seron X">X Seron</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Andres, M" uniqKey="Andres M">M Andres</name></author><author><name sortKey="Seron, X" uniqKey="Seron X">X Seron</name></author><author><name sortKey="Olivier, E" uniqKey="Olivier E">E Olivier</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Atkinson, J" uniqKey="Atkinson J">J Atkinson</name></author><author><name sortKey="Campbell, Fw" uniqKey="Campbell F">FW Campbell</name></author><author><name sortKey="Francis, Mr" uniqKey="Francis M">MR Francis</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Coren, S" uniqKey="Coren S">S Coren</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Kaufman, E" uniqKey="Kaufman E">E Kaufman</name></author><author><name sortKey="Lord, M" uniqKey="Lord M">M Lord</name></author><author><name sortKey="Reese, T" uniqKey="Reese T">T Reese</name></author><author><name sortKey="Volkmann, J" uniqKey="Volkmann J">J Volkmann</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Mandler, G" uniqKey="Mandler G">G Mandler</name></author><author><name sortKey="Shebo, Bj" uniqKey="Shebo B">BJ Shebo</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Moretto, G" uniqKey="Moretto G">G Moretto</name></author><author><name sortKey="Di Pellegrino, G" uniqKey="Di Pellegrino G">G Di Pellegrino</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Piazza, M" uniqKey="Piazza M">M Piazza</name></author><author><name sortKey="Mechelli, A" uniqKey="Mechelli A">A Mechelli</name></author><author><name sortKey="Butterworth, B" uniqKey="Butterworth B">B Butterworth</name></author><author><name sortKey="Price, Cj" uniqKey="Price C">CJ Price</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Pinel, P" uniqKey="Pinel P">P Pinel</name></author><author><name sortKey="Piazza, M" uniqKey="Piazza M">M Piazza</name></author><author><name sortKey="Le Bihan, D" uniqKey="Le Bihan D">D Le Bihan</name></author><author><name sortKey="Dehaene, S" uniqKey="Dehaene S">S Dehaene</name></author></analytic></biblStruct><biblStruct></biblStruct><biblStruct><analytic><author><name sortKey="Plaisier, Ma" uniqKey="Plaisier M">MA Plaisier</name></author><author><name sortKey="Bergmann Tiest, Wm" uniqKey="Bergmann Tiest W">WM Bergmann Tiest</name></author><author><name sortKey="Kappers, Aml" uniqKey="Kappers A">AML Kappers</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Riggs, Kj" uniqKey="Riggs K">KJ Riggs</name></author><author><name sortKey="Ferrand, L" uniqKey="Ferrand L">L Ferrand</name></author><author><name sortKey="Lancelin, D" uniqKey="Lancelin D">D Lancelin</name></author><author><name sortKey="Fryziel, L" uniqKey="Fryziel L">L Fryziel</name></author><author><name sortKey="Dumur, G" uniqKey="Dumur G">G Dumur</name></author><author><name sortKey="Simpson, A" uniqKey="Simpson A">A Simpson</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Ten Hoopen, G" uniqKey="Ten Hoopen G">G Ten Hoopen</name></author><author><name sortKey="Vos, J" uniqKey="Vos J">J Vos</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Trick, Lm" uniqKey="Trick L">LM Trick</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Trick, Lm" uniqKey="Trick L">LM Trick</name></author><author><name sortKey="Pylyshyn, Zw" uniqKey="Pylyshyn Z">ZW Pylyshyn</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Van Oeffelen, Mp" uniqKey="Van Oeffelen M">MP Van Oeffelen</name></author><author><name sortKey="Vos, Pg" uniqKey="Vos P">PG Vos</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Van Oeffelen, Mp" uniqKey="Van Oeffelen M">MP Van Oeffelen</name></author><author><name sortKey="Vos, Pg" uniqKey="Vos P">PG Vos</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Walsh, V" uniqKey="Walsh V">V Walsh</name></author></analytic></biblStruct></listBibl></div1></back></TEI><double pmid="20047090"><pmc><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Grabbing subitizing with both hands: bimanual number processing</title><author><name sortKey="Plaisier, Myrthe A" sort="Plaisier, Myrthe A" uniqKey="Plaisier M" first="Myrthe A." last="Plaisier">Myrthe A. Plaisier</name><affiliation><nlm:aff id="Aff1">Helmholtz Institute, Universiteit Utrecht, Padualaan 8, Utrecht, 3584 CH The Netherlands</nlm:aff><wicri:noCountry code="subfield">3584 CH The Netherlands</wicri:noCountry></affiliation></author><author><name sortKey="Tiest, Wouter M Bergmann" sort="Tiest, Wouter M Bergmann" uniqKey="Tiest W" first="Wouter M. Bergmann" last="Tiest">Wouter M. Bergmann Tiest</name><affiliation><nlm:aff id="Aff1">Helmholtz Institute, Universiteit Utrecht, Padualaan 8, Utrecht, 3584 CH The Netherlands</nlm:aff><wicri:noCountry code="subfield">3584 CH The Netherlands</wicri:noCountry></affiliation></author><author><name sortKey="Kappers, Astrid M L" sort="Kappers, Astrid M L" uniqKey="Kappers A" first="Astrid M. L." last="Kappers">Astrid M. L. Kappers</name><affiliation><nlm:aff id="Aff1">Helmholtz Institute, Universiteit Utrecht, Padualaan 8, Utrecht, 3584 CH The Netherlands</nlm:aff><wicri:noCountry code="subfield">3584 CH The Netherlands</wicri:noCountry></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">PMC</idno><idno type="pmid">20047090</idno><idno type="pmc">2849748</idno><idno type="url">http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2849748</idno><idno type="RBID">PMC:2849748</idno><idno type="doi">10.1007/s00221-009-2146-1</idno><date when="2010">2010</date><idno type="wicri:Area/Pmc/Corpus">000799</idno><idno type="wicri:Area/Pmc/Curation">000799</idno><idno type="wicri:Area/Pmc/Checkpoint">001E77</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a" type="main">Grabbing subitizing with both hands: bimanual number processing</title><author><name sortKey="Plaisier, Myrthe A" sort="Plaisier, Myrthe A" uniqKey="Plaisier M" first="Myrthe A." last="Plaisier">Myrthe A. Plaisier</name><affiliation><nlm:aff id="Aff1">Helmholtz Institute, Universiteit Utrecht, Padualaan 8, Utrecht, 3584 CH The Netherlands</nlm:aff><wicri:noCountry code="subfield">3584 CH The Netherlands</wicri:noCountry></affiliation></author><author><name sortKey="Tiest, Wouter M Bergmann" sort="Tiest, Wouter M Bergmann" uniqKey="Tiest W" first="Wouter M. Bergmann" last="Tiest">Wouter M. Bergmann Tiest</name><affiliation><nlm:aff id="Aff1">Helmholtz Institute, Universiteit Utrecht, Padualaan 8, Utrecht, 3584 CH The Netherlands</nlm:aff><wicri:noCountry code="subfield">3584 CH The Netherlands</wicri:noCountry></affiliation></author><author><name sortKey="Kappers, Astrid M L" sort="Kappers, Astrid M L" uniqKey="Kappers A" first="Astrid M. L." last="Kappers">Astrid M. L. Kappers</name><affiliation><nlm:aff id="Aff1">Helmholtz Institute, Universiteit Utrecht, Padualaan 8, Utrecht, 3584 CH The Netherlands</nlm:aff><wicri:noCountry code="subfield">3584 CH The Netherlands</wicri:noCountry></affiliation></author></analytic><series><title level="j">Experimental Brain Research. Experimentelle Hirnforschung. Experimentation Cerebrale</title><idno type="ISSN">0014-4819</idno><idno type="eISSN">1432-1106</idno><imprint><date when="2010">2010</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><p>Visual judgment of small numerosities (<4) is generally assumed to be done through subitizing, which is a faster process than counting. Subitizing has also been shown to occur in haptic judgment of the number of spheres in the hand. Furthermore, interactions have been shown to exist between visually perceived numbers and hand motor action. In this study, we compare enumeration of a set of spheres presented to one hand (unimanual) and enumeration of the same total number of spheres presented divided over the two hands (bimanual). Our results show that, like in vision, a combination of subitizing and counting is used to process numbers in active touch. This shows that numbers are processed in a modality-independent way. This suggests that there are not only interactions between perception of numbers and hand motor action, but rather that number representation is modality-independent.</p></div></front><back><div1 type="bibliography"><listBibl><biblStruct><analytic><author><name sortKey="Andres, M" uniqKey="Andres M">M Andres</name></author><author><name sortKey="Davare, M" uniqKey="Davare M">M Davare</name></author><author><name sortKey="Pesenti, M" uniqKey="Pesenti M">M Pesenti</name></author><author><name sortKey="Olivier, E" uniqKey="Olivier E">E Olivier</name></author><author><name sortKey="Seron, X" uniqKey="Seron X">X Seron</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Andres, M" uniqKey="Andres M">M Andres</name></author><author><name sortKey="Seron, X" uniqKey="Seron X">X Seron</name></author><author><name sortKey="Olivier, E" uniqKey="Olivier E">E Olivier</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Atkinson, J" uniqKey="Atkinson J">J Atkinson</name></author><author><name sortKey="Campbell, Fw" uniqKey="Campbell F">FW Campbell</name></author><author><name sortKey="Francis, Mr" uniqKey="Francis M">MR Francis</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Coren, S" uniqKey="Coren S">S Coren</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Kaufman, E" uniqKey="Kaufman E">E Kaufman</name></author><author><name sortKey="Lord, M" uniqKey="Lord M">M Lord</name></author><author><name sortKey="Reese, T" uniqKey="Reese T">T Reese</name></author><author><name sortKey="Volkmann, J" uniqKey="Volkmann J">J Volkmann</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Mandler, G" uniqKey="Mandler G">G Mandler</name></author><author><name sortKey="Shebo, Bj" uniqKey="Shebo B">BJ Shebo</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Moretto, G" uniqKey="Moretto G">G Moretto</name></author><author><name sortKey="Di Pellegrino, G" uniqKey="Di Pellegrino G">G Di Pellegrino</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Piazza, M" uniqKey="Piazza M">M Piazza</name></author><author><name sortKey="Mechelli, A" uniqKey="Mechelli A">A Mechelli</name></author><author><name sortKey="Butterworth, B" uniqKey="Butterworth B">B Butterworth</name></author><author><name sortKey="Price, Cj" uniqKey="Price C">CJ Price</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Pinel, P" uniqKey="Pinel P">P Pinel</name></author><author><name sortKey="Piazza, M" uniqKey="Piazza M">M Piazza</name></author><author><name sortKey="Le Bihan, D" uniqKey="Le Bihan D">D Le Bihan</name></author><author><name sortKey="Dehaene, S" uniqKey="Dehaene S">S Dehaene</name></author></analytic></biblStruct><biblStruct></biblStruct><biblStruct><analytic><author><name sortKey="Plaisier, Ma" uniqKey="Plaisier M">MA Plaisier</name></author><author><name sortKey="Bergmann Tiest, Wm" uniqKey="Bergmann Tiest W">WM Bergmann Tiest</name></author><author><name sortKey="Kappers, Aml" uniqKey="Kappers A">AML Kappers</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Riggs, Kj" uniqKey="Riggs K">KJ Riggs</name></author><author><name sortKey="Ferrand, L" uniqKey="Ferrand L">L Ferrand</name></author><author><name sortKey="Lancelin, D" uniqKey="Lancelin D">D Lancelin</name></author><author><name sortKey="Fryziel, L" uniqKey="Fryziel L">L Fryziel</name></author><author><name sortKey="Dumur, G" uniqKey="Dumur G">G Dumur</name></author><author><name sortKey="Simpson, A" uniqKey="Simpson A">A Simpson</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Ten Hoopen, G" uniqKey="Ten Hoopen G">G Ten Hoopen</name></author><author><name sortKey="Vos, J" uniqKey="Vos J">J Vos</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Trick, Lm" uniqKey="Trick L">LM Trick</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Trick, Lm" uniqKey="Trick L">LM Trick</name></author><author><name sortKey="Pylyshyn, Zw" uniqKey="Pylyshyn Z">ZW Pylyshyn</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Van Oeffelen, Mp" uniqKey="Van Oeffelen M">MP Van Oeffelen</name></author><author><name sortKey="Vos, Pg" uniqKey="Vos P">PG Vos</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Van Oeffelen, Mp" uniqKey="Van Oeffelen M">MP Van Oeffelen</name></author><author><name sortKey="Vos, Pg" uniqKey="Vos P">PG Vos</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Walsh, V" uniqKey="Walsh V">V Walsh</name></author></analytic></biblStruct></listBibl></div1></back></TEI></pmc><pubmed><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Grabbing subitizing with both hands: bimanual number processing.</title><author><name sortKey="Plaisier, Myrthe A" sort="Plaisier, Myrthe A" uniqKey="Plaisier M" first="Myrthe A" last="Plaisier">Myrthe A. Plaisier</name><affiliation wicri:level="1"><nlm:affiliation>Helmholtz Institute, Universiteit Utrecht, Padualaan 8, Utrecht 3584 CH, The Netherlands. M.A.Plaisier@uu.nl</nlm:affiliation><country xml:lang="fr">Pays-Bas</country><wicri:regionArea>Helmholtz Institute, Universiteit Utrecht, Padualaan 8, Utrecht 3584 CH</wicri:regionArea><wicri:noRegion>Utrecht 3584 CH</wicri:noRegion></affiliation></author><author><name sortKey="Tiest, Wouter M Bergmann" sort="Tiest, Wouter M Bergmann" uniqKey="Tiest W" first="Wouter M Bergmann" last="Tiest">Wouter M Bergmann Tiest</name></author><author><name sortKey="Kappers, Astrid M L" sort="Kappers, Astrid M L" uniqKey="Kappers A" first="Astrid M L" last="Kappers">Astrid M L. Kappers</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2010">2010</date><idno type="doi">10.1007/s00221-009-2146-1</idno><idno type="RBID">pubmed:20047090</idno><idno type="pmid">20047090</idno><idno type="wicri:Area/PubMed/Corpus">001154</idno><idno type="wicri:Area/PubMed/Curation">001154</idno><idno type="wicri:Area/PubMed/Checkpoint">000F47</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Grabbing subitizing with both hands: bimanual number processing.</title><author><name sortKey="Plaisier, Myrthe A" sort="Plaisier, Myrthe A" uniqKey="Plaisier M" first="Myrthe A" last="Plaisier">Myrthe A. Plaisier</name><affiliation wicri:level="1"><nlm:affiliation>Helmholtz Institute, Universiteit Utrecht, Padualaan 8, Utrecht 3584 CH, The Netherlands. M.A.Plaisier@uu.nl</nlm:affiliation><country xml:lang="fr">Pays-Bas</country><wicri:regionArea>Helmholtz Institute, Universiteit Utrecht, Padualaan 8, Utrecht 3584 CH</wicri:regionArea><wicri:noRegion>Utrecht 3584 CH</wicri:noRegion></affiliation></author><author><name sortKey="Tiest, Wouter M Bergmann" sort="Tiest, Wouter M Bergmann" uniqKey="Tiest W" first="Wouter M Bergmann" last="Tiest">Wouter M Bergmann Tiest</name></author><author><name sortKey="Kappers, Astrid M L" sort="Kappers, Astrid M L" uniqKey="Kappers A" first="Astrid M L" last="Kappers">Astrid M L. Kappers</name></author></analytic><series><title level="j">Experimental brain research</title><idno type="eISSN">1432-1106</idno><imprint><date when="2010" type="published">2010</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Analysis of Variance</term><term>Functional Laterality</term><term>Hand</term><term>Humans</term><term>Mathematical Concepts</term><term>Motor Activity</term><term>Reaction Time</term><term>Touch Perception</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Analysis of Variance</term><term>Functional Laterality</term><term>Hand</term><term>Humans</term><term>Mathematical Concepts</term><term>Motor Activity</term><term>Reaction Time</term><term>Touch Perception</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Visual judgment of small numerosities (<4) is generally assumed to be done through subitizing, which is a faster process than counting. Subitizing has also been shown to occur in haptic judgment of the number of spheres in the hand. Furthermore, interactions have been shown to exist between visually perceived numbers and hand motor action. In this study, we compare enumeration of a set of spheres presented to one hand (unimanual) and enumeration of the same total number of spheres presented divided over the two hands (bimanual). Our results show that, like in vision, a combination of subitizing and counting is used to process numbers in active touch. This shows that numbers are processed in a modality-independent way. This suggests that there are not only interactions between perception of numbers and hand motor action, but rather that number representation is modality-independent.</div></front></TEI></pubmed></double></record>Pour manipuler ce document sous Unix (Dilib)
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|texte= Grabbing subitizing with both hands: bimanual number processing
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